# Mailchimp

Mailchimp declares [25 subprocessors](https://thirdpartyindex.com/vendors/mailchimp#subprocessors) in [its subprocessor list](https://mailchimp.com/legal/subprocessors/), which we last checked on 2026-11-11 ([evidence](https://thirdpartyindex.com/evidence/65790)). They include [Google Cloud](https://thirdpartyindex.com/vendors/google-cloud), [OpenAI](https://thirdpartyindex.com/vendors/openai) and [Microsoft](https://thirdpartyindex.com/vendors/microsoft). No published changes since we first read it on 2026-09-21. [136 tracked vendors](https://thirdpartyindex.com/vendors/mailchimp#used-by) name Mailchimp as a subprocessor, including [Atlassian](https://thirdpartyindex.com/vendors/atlassian), [DigitalOcean](https://thirdpartyindex.com/vendors/digitalocean) and [Vonage](https://thirdpartyindex.com/vendors/vonage).

Mailchimp (mailchimp.com): subprocessors, data processing agreement, security documents and changes, as monitored by Third Party Index.

- Page: https://thirdpartyindex.com/vendors/mailchimp
- Documents last verified: 2026-11-11
- Transparency rating: 87/100 (how much it publishes, not how secure it is): Subprocessor list 30/30; Processing locations 8/8; Purposes 7/7; Data processing addendum 12/12; Trust center 0/8 (not found); Privacy policy 6/6; security.txt 6/6; Security page 5/5; Status page 5/5; Vulnerability disclosure 0/5 (not found); Pages still reachable 8/8
- Part of: [Intuit](https://thirdpartyindex.com/vendors/intuit)
- Supply chain: relies on 16 tracked vendors directly, 102 within two hops, 378 within three; 136 tracked vendors rely on it directly, 924 within two hops, 2766 within three
- Cite as: Mailchimp, Third Party Index, https://thirdpartyindex.com/vendors/mailchimp (data CC BY 4.0)

## Documents

| Document | URL | Last verified | Last changed |
|---|---|---|---|
| Subprocessor list | https://mailchimp.com/legal/subprocessors/ | 2026-11-11 | 2026-10-08 |
| Data processing addendum | https://mailchimp.com/legal/data-processing-addendum/ | 2026-11-11 | 2026-10-08 |
| Privacy policy | https://www.intuit.com/privacy/statement/ | 2026-11-11 | 2026-11-10 |
| Terms | https://mailchimp.com/legal/terms/ | 2026-11-11 | 2026-10-08 |
| Security page | https://mailchimp.com/about/security/ | 2026-11-11 | 2026-11-05 |
| security.txt | https://mailchimp.com/.well-known/security.txt | 2026-11-11 | 2026-09-21 |
| Status page | https://status.mailchimp.com/ | 2026-11-11 | 2026-11-11 |

## Subprocessors (25)

As its own list states them.

| Subprocessor | Purpose | Location | Listed since |
|---|---|---|---|
| [Akamai](https://thirdpartyindex.com/vendors/akamai.md) | Improves application speed and security. | Massachusetts, USA | 2026-10-08 |
| [Amazon](https://thirdpartyindex.com/vendors/amazon.md) | Facilitates delivery and temporary storage. | Washington, USA | 2026-10-08 |
| [Amplitude](https://thirdpartyindex.com/vendors/amplitude.md) | To better understand how customers use our product. | San Francisco, USA | 2026-10-08 |
| CodeScience | Develops and maintains integrations. | Tennessee, USA | 2026-10-08 |
| [E-Hawk](https://thirdpartyindex.com/vendors/e-hawk.md) | Detects and prevents abuse. | New York, USA | 2026-10-08 |
| El Camino | Detects and prevents abuse. | California, USA | 2026-10-08 |
| Finc3 | Develops and maintains integrations. | Hamburg, Germany | 2026-10-08 |
| [Fivetran](https://thirdpartyindex.com/vendors/fivetran.md) | Data connection, centralization, and organization. | California, USA | 2026-10-08 |
| [Google](https://thirdpartyindex.com/vendors/google-cloud.md) | Bolsters internal operations and advertising, & website analytics. | California, USA | 2026-10-08 |
| [Infobip](https://thirdpartyindex.com/vendors/infobip.md) | To provide our SMS program. | London, United Kingdom | 2026-10-08 |
| [Looker](https://thirdpartyindex.com/vendors/looker.md) | Business analytics software, centralization and organziation tool. | California, USA | 2026-10-08 |
| [Microsoft](https://thirdpartyindex.com/vendors/microsoft.md) | To provide our AI features through Intuit Assist. | Washington, USA | 2026-10-08 |
| [OpenAI](https://thirdpartyindex.com/vendors/openai.md) (AI model provider: OpenAI) | To provide our AI features through Intuit Assist. | California, USA | 2026-10-08 |
| [Percona](https://thirdpartyindex.com/vendors/percona.md) | To improve our relational database management system. | North Carolina, USA | 2026-10-08 |
| R.R. Donnelley | Develops and implements certain Mailchimp multi-channel marketing products. | Illinois, USA | 2026-10-08 |
| SC Wedis Company SRL | Develops and maintains integrations. | Tâgu Mureş, Romania | 2026-10-08 |
| [Slack](https://thirdpartyindex.com/vendors/slack.md) | Communication and collaboration tool. | California, USA | 2026-10-08 |
| SmartyStreets | Address verification for e-commerce offering. | Utah, USA | 2026-10-08 |
| [TaskUs](https://thirdpartyindex.com/vendors/taskus.md) | To provide some of our customer support. | USA and Greece | 2026-10-08 |
| [TaxJar](https://thirdpartyindex.com/vendors/taxjar.md) | Tax service provider for e-commerce offering. | Massachusetts, USA | 2026-10-08 |
| [Twilio](https://thirdpartyindex.com/vendors/twilio.md) | To provide our SMS program. | California, USA | 2026-10-08 |
| Two Bulls | Develops and maintains integrations. | New York, USA | 2026-10-08 |
| Tyrannosaurus Tech | Develops and maintains integrations. | Georgia, USA | 2026-10-08 |
| Vextras LLC | Develops and maintains integrations. | Tennessee, USA | 2026-10-08 |
| [Zendesk](https://thirdpartyindex.com/vendors/zendesk.md) | To provide online chat and email support to our customers. | California, USA | 2026-10-08 |

Read from ([evidence](https://thirdpartyindex.com/evidence/65790)). CSV: https://thirdpartyindex.com/vendors/mailchimp/subprocessors.csv

AI model providers (or a cloud provider's AI model service) among these entries: 1. All vendors that list one: https://thirdpartyindex.com/ai

## Web Technologies

Mailchimp's homepage made 521 requests to 68 domains, 39 services controlled by another company, and 5 domains not identified. Loaded on 2026-11-03 by a browser that accepted nothing; other visits may load more or less. What a page loads is not a list of who receives customer data.

39 third parties by category: Advertising 16 (Amazon, Google Cloud, Microsoft, X Corp., Pinterest, OpenAI, Reddit, Inc., Spotify AB, Pinterest; reviewed: Nativo Inc., ArtsAI, Index Exchange Inc., Kargo; usually detected as Advertising: Magnite, Inc., PubMatic, Xandr); Analytics 9 (Meta, Fullstory, TikTok, Demandbase, Bombora, LinkedIn, Siteimprove, TikTok; usually detected as Analytics: SmartBear Software); Customer data platform 2 (Segment; reviewed: LiveRamp); Live chat 1 (LivePerson); A/B Testing 1 (Optimizely); Cookie compliance 1 (OneTrust); CDN 1 (UNPKG); Miscellaneous 1 (reviewed: Yahoo); RUM 1 (Akamai); SEO 1 (BrightEdge); Security 1 (usually detected as Security: Amazon Web Services); Surveys 1 (Qualtrics); Unclassified 3 (Kevel, Oracle, The Kantar Group Limited). Each company that appears controlled by another organization is counted once, under the main category of the technologies detected from it on this homepage or, when none was, the category recorded from the company's own page (marked reviewed) or else the one it is usually detected as on other published homepages (marked as such); unclassified: none of these.

### Third parties (39)

- Amazon: 94 requests to amazon-adsystem.com; Amazon Advertising (its subprocessor list names it too)
- Google Cloud: 42 requests to doubleclick.net, google.com, googleadservices.com, googletagmanager.com; DoubleClick Floodlight, Google Analytics, Google Sign-in, Google Tag Manager (its subprocessor list names it too)
- Meta: 14 requests to facebook.com, facebook.net; Facebook Pixel 2.9.433
- Microsoft: 13 requests to bing.com, bing.net; Microsoft Advertising (its subprocessor list names it too)
- LivePerson: 11 requests to lpsnmedia.net, liveperson.net; LivePerson
- OneTrust: 11 requests to cookielaw.org, onetrust.com; OneTrust
- Qualtrics: 11 requests to qualtrics.com; Qualtrics
- X Corp.: 11 requests to t.co, twitter.com, ads-twitter.com; Twitter Ads
- Akamai: 9 requests to go-mpulse.net, akstat.io, 72-94-239-8\_s-23-44-201-218\_ts-1793707468-clienttons-s.akamaihd.net, jbpo6caxzabsa2xjzxga-pj9x7m-c74903560-clientnsv4-s.akamaihd.net, trial-eum-clientnsv4-s.akamaihd.net, trial-eum-clienttons-s.akamaihd.net; Akamai mPulse (its subprocessor list names it too)
- Amazon Web Services: 6 requests to on.aws
- Fullstory: 6 requests to fullstory.com; FullStory
- TikTok: 6 requests to tiktok.com; TikTok Pixel
- Pinterest: 5 requests to pinterest.com; Pinterest Ads
- Demandbase: 4 requests to company-target.com, demandbase.com; Demandbase 11.8.0
- OpenAI: 4 requests to openai.com; ChatGPT Ads Measurement Pixel (its subprocessor list names it too)
- Optimizely: 4 requests to optimizely.com; Optimizely
- Reddit, Inc.: 4 requests to reddit.com, redditstatic.com; Reddit Ads
- Bombora: 3 requests to ml314.com; Bombora
- LinkedIn: 3 requests to linkedin.com, licdn.com; Linkedin Insight Tag
- Spotify AB: 3 requests to spotify.com, pdst.fm; Podsights, Spotify Pixel
- Yahoo: 3 requests to yimg.com, yahoo.com
- BrightEdge: 2 requests to bc0a.com; BrightEdge
- LiveRamp: 2 requests to rlcdn.com
- Magnite, Inc.: 2 requests to rubiconproject.com, tremorhub.com
- Nativo Inc.: 2 requests to postrelease.com
- Pinterest: 2 requests to pinimg.com; Pinterest Ads
- Segment: 2 requests to segment.com; Segment 1.84.3
- Siteimprove: 2 requests to siteimproveanalytics.com, siteimproveanalytics.io; Siteimprove
- TikTok: 2 requests to tiktokw.us; TikTok Pixel
- ArtsAI: 1 request to arttrk.com
- Index Exchange Inc.: 1 request to casalemedia.com
- Kargo: 1 request to kargo.com
- Kevel: 1 request to adzerk.net
- Oracle: 1 request to en25.com
- PubMatic: 1 request to pubmatic.com
- SmartBear Software: 1 request to bugsnag.com
- The Kantar Group Limited: 1 request to insightexpressai.com
- UNPKG: 1 request to unpkg.com; Unpkg, web-vitals 5.0.1
- Xandr: 1 request to adnxs.com

### Affiliates (1)

- Intuit: 49 requests to intuit.com, intuitcdn.net

### Unknown (5)

Domains not identified yet: infinity-tracking.com, herbgreencolumn.com, mczbf.com, cloud.run, infinity-tracking.net

### First party (1)

- Mailchimp: 155 requests to mailchimp.com; Akamai, Akamai Bot Manager, Amazon ALB, Amazon Web Services, ArtsAI, Boomerang, BugSnag, Eloqua, Envoy, HSTS, Nativo, Open Graph, Pinterest Conversion Tag, Priority Hints, React, core-js 3.32.2

19 tracked companies loaded by the homepage are not in Mailchimp's subprocessor list. A website can use a service without it processing customer data.

## Subprocessor of (136)

Tracked vendors whose own subprocessor lists name it, and what they say they use it for.

- [Aha Labs](https://thirdpartyindex.com/vendors/aha-labs.md)
- [Ahrefs](https://thirdpartyindex.com/vendors/ahrefs.md): Marketing automation
- [Akita](https://thirdpartyindex.com/vendors/akita.md): Mailchimp provides email marketing software.
- [Anaconda](https://thirdpartyindex.com/vendors/anaconda.md): Management of information campaigns on Product and Service updates
- [Antavo](https://thirdpartyindex.com/vendors/antavo.md): Marketing Automation Platform
- [Apester](https://thirdpartyindex.com/vendors/apester.md): Analytics Services
- [APILayer](https://thirdpartyindex.com/vendors/apilayer.md): SMTP Service
- [Atlassian](https://thirdpartyindex.com/vendors/atlassian.md): Communications technology provider for product notifications and video sharing over email
- [Audienceview](https://thirdpartyindex.com/vendors/audienceview.md): Email services
- [AudioStack](https://thirdpartyindex.com/vendors/audiostack.md): User notification services
- [Axcient](https://thirdpartyindex.com/vendors/axcient.md): Product Emails
- [Benevity](https://thirdpartyindex.com/vendors/benevity.md): Email template and delivery to users.
- [Betterworks](https://thirdpartyindex.com/vendors/betterworks.md): Cloud-based platform used to provide email notifications.
- [Bitbucket](https://thirdpartyindex.com/vendors/bitbucket.md): Communications technology provider for product notifications and video sharing over email
- [Blitzz](https://thirdpartyindex.com/vendors/blitzz.md): Email marketing and campaign management for customer communications.
- [Botdoc](https://thirdpartyindex.com/vendors/botdoc.md): Email marketing service and customer transactional notification list
- [Bounteous](https://thirdpartyindex.com/vendors/bounteous.md)
- [BridgeAthletic](https://thirdpartyindex.com/vendors/bridgeathletic.md): Transactional email service through Mandrill.
- [BrightLocal](https://thirdpartyindex.com/vendors/brightlocal.md): Marketing automation and email marketing platform
- [BrowserStack](https://thirdpartyindex.com/vendors/browserstack.md): Marketing Email Service
- [Bucksense](https://thirdpartyindex.com/vendors/bucksense.md): Marketing automation platform
- [BugHerd](https://thirdpartyindex.com/vendors/bugherd.md): Email deliverability software
- [Buildkite](https://thirdpartyindex.com/vendors/buildkite.md): Automated email notifications and marketing communications; Email marketing and audience management platform
- [BulkSMS](https://thirdpartyindex.com/vendors/bulksms.md)
- [Chartbeat](https://thirdpartyindex.com/vendors/chartbeat.md): Transactional email; Transactional email service
- [Click2Mail](https://thirdpartyindex.com/vendors/click2mail.md)
- [Confirm](https://thirdpartyindex.com/vendors/confirm.md)
- [ConnectWise](https://thirdpartyindex.com/vendors/connectwise.md): Product Emails; Product Emails (x360Cloud)
- [Couchdrop](https://thirdpartyindex.com/vendors/couchdrop.md)
- [Cube Dev](https://thirdpartyindex.com/vendors/cube-dev.md): Delivers transactional emails such as system alerts, password resets, and account notifications. Processes user email addresses and message content to ensure re…
- [Daily](https://thirdpartyindex.com/vendors/daily.md): Email
- [Dataedo](https://thirdpartyindex.com/vendors/dataedo.md): Marketing automation
- [Dear Lucy](https://thirdpartyindex.com/vendors/dear-lucy.md): E-mails
- [DeveloperHub](https://thirdpartyindex.com/vendors/developerhub.md): Marketing emails
- [Digicert](https://thirdpartyindex.com/vendors/digicert.md): Support financial operations, email marketing, and lead generation
- [Digify](https://thirdpartyindex.com/vendors/digify.md)
- [DigitalOcean](https://thirdpartyindex.com/vendors/digitalocean.md): Email services
- [Dispel](https://thirdpartyindex.com/vendors/dispel.md): Marketing
- [elmah.io](https://thirdpartyindex.com/vendors/elmah-io.md)
- [Encyro](https://thirdpartyindex.com/vendors/encyro.md): Email communication (only if user signs up for optional offers)
- [Eptura](https://thirdpartyindex.com/vendors/eptura.md): Email and templating provider for outbound client email
- [Experian](https://thirdpartyindex.com/vendors/experian.md): Mailchimp provide the Mandrill product which is an email API tool to send emails to clients and customers.; Sub-processor
- [Expo](https://thirdpartyindex.com/vendors/expo.md): Customer interactions
- [Extensis](https://thirdpartyindex.com/vendors/extensis.md)
- [Fast Thinking](https://thirdpartyindex.com/vendors/fast-thinking.md): Email communications
- [Fastmail](https://thirdpartyindex.com/vendors/fastmail.md): Email marketing and automation
- [FE fundinfo](https://thirdpartyindex.com/vendors/fe-fundinfo.md)
- [FreedomPay](https://thirdpartyindex.com/vendors/freedompay.md): Mass email campaign provider
- [Friendbuy](https://thirdpartyindex.com/vendors/friendbuy.md): Email service provider
- [Gatekeeper](https://thirdpartyindex.com/vendors/gatekeeper.md): Mail System Services
- [Goldcast](https://thirdpartyindex.com/vendors/goldcast.md): Product E-mail
- [GreetBot](https://thirdpartyindex.com/vendors/greetbot.md): Email newsletter service located in the United States
- [Groq](https://thirdpartyindex.com/vendors/groq.md): Account transactional communications (team invites, org communications, key revocation notices, other important account notifications)
- [Haiilo](https://thirdpartyindex.com/vendors/haiilo.md): Editing and sending Emails; \[Haiilo Amplify\] Mailchimp is a subprocessor used for editing and sending emails in our Haiilo Amplify services.
- [Happeo](https://thirdpartyindex.com/vendors/happeo.md): Email notifications; \_\_Applicable Transfer Mechanism:\_\_ EU-US Data Privacy Framework
- [Hund](https://thirdpartyindex.com/vendors/hund.md): Marketing communications
- [InCountry](https://thirdpartyindex.com/vendors/incountry.md): Email Marketing
- [ipapi](https://thirdpartyindex.com/vendors/ipapi.md): SMTP Service
- [Ironclad](https://thirdpartyindex.com/vendors/ironclad.md): Email Notifications
- [Jamf](https://thirdpartyindex.com/vendors/jamf.md): Email notifications
- [Kaltura](https://thirdpartyindex.com/vendors/kaltura.md): Email automation
- [Kitman Labs](https://thirdpartyindex.com/vendors/kitman-labs.md): Cloud-based email notification services
- [KnowledgeOwl](https://thirdpartyindex.com/vendors/knowledgeowl.md): Email campaigns
- [Labster](https://thirdpartyindex.com/vendors/labster.md): In product emails
- [LeadSquared](https://thirdpartyindex.com/vendors/leadsquared.md)
- [LexisNexis](https://thirdpartyindex.com/vendors/lexisnexis.md)
- [Lob.com](https://thirdpartyindex.com/vendors/lob-com.md): Email Provider
- [Loyalty Juggernaut](https://thirdpartyindex.com/vendors/loyalty-juggernaut.md): Email campaign service provider used within LJI Service to send notification emails and dashboards to Agents and End-Users.
- [Lumerate](https://thirdpartyindex.com/vendors/lumerate.md): Email automation
- [Maestro AI](https://thirdpartyindex.com/vendors/maestro-ai.md): Email delivery services
- [Matterport](https://thirdpartyindex.com/vendors/matterport.md): Mail aggregation
- [Maxio](https://thirdpartyindex.com/vendors/maxio.md): Message Delivery
- [Medallia](https://thirdpartyindex.com/vendors/medallia.md): Email service provider
- [Mediktor](https://thirdpartyindex.com/vendors/mediktor.md): Newsletter
- [Melrose Labs](https://thirdpartyindex.com/vendors/melrose-labs.md): Email service provider.
- [Meltwater](https://thirdpartyindex.com/vendors/meltwater.md): Email engagement between clicustomer and influencer.
- [MentorcliQ](https://thirdpartyindex.com/vendors/mentorcliq.md): Facilitates automated email functionality for MentorcliQ.; Facilitates automated email functionality.
- [Metabase](https://thirdpartyindex.com/vendors/metabase.md): Email communications.
- [MinIO](https://thirdpartyindex.com/vendors/minio.md): Email marketing platform; processes customer and partner names, email addresses, and email engagement data (opens, clicks)
- [Mobile Testing | Kobiton](https://thirdpartyindex.com/vendors/mobile-testing-kobiton.md)
- [myQuest](https://thirdpartyindex.com/vendors/myquest.md): Email marketing and audience management; Transactional email delivery
- [Neeto](https://thirdpartyindex.com/vendors/neeto.md): Business process
- [Nintex](https://thirdpartyindex.com/vendors/nintex.md): Email Service Provider
- [NoodleTools](https://thirdpartyindex.com/vendors/noodletools.md): Email marketing and newsletter service used to notify customers of scheduled maintenance, product updates, and articles of interest.
- [One Step GPS](https://thirdpartyindex.com/vendors/one-step-gps.md): Email Marketing and Automation Platform
- [OpenSesame](https://thirdpartyindex.com/vendors/opensesame.md): Outgoing Email
- [Ordergroove](https://thirdpartyindex.com/vendors/ordergroove.md)
- [Parchment](https://thirdpartyindex.com/vendors/parchment-com.md): emailing Services
- [Paved](https://thirdpartyindex.com/vendors/paved.md): Newsletter Platform Integration
- [Picqer](https://thirdpartyindex.com/vendors/picqer.md): MailChimp is used for our monthly newsletters. They have access to your name and email address.
- [Planet](https://thirdpartyindex.com/vendors/planet.md)
- [Q-CTRL](https://thirdpartyindex.com/vendors/q-ctrl.md): Marketing and transactional emails
- [Qualified](https://thirdpartyindex.com/vendors/qualified.md)
- [Relay Commerce](https://thirdpartyindex.com/vendors/relay-commerce.md)
- [Repsly](https://thirdpartyindex.com/vendors/repsly.md): Email Service
- [RevenueHunt](https://thirdpartyindex.com/vendors/revenuehunt.md): Email marketing integration
- [Runa](https://thirdpartyindex.com/vendors/runa-io.md): Email Provider
- [Salad](https://thirdpartyindex.com/vendors/salad.md)
- [SalesHood](https://thirdpartyindex.com/vendors/saleshood.md): Email delivery
- [Salesloft](https://thirdpartyindex.com/vendors/salesloft.md): Customer communications; Service provider
- [SendSafely](https://thirdpartyindex.com/vendors/sendsafely.md): Email Campaigns
- [Signicat](https://thirdpartyindex.com/vendors/signicat.md)
- [Simplecast](https://thirdpartyindex.com/vendors/simplecast.md): Mailchimp & Mandrill Customer Emails
- [Sisense](https://thirdpartyindex.com/vendors/sisense.md): Email server
- [Slido](https://thirdpartyindex.com/vendors/slido.md): Email Delivery Service
- [Sortd](https://thirdpartyindex.com/vendors/sortd.md): Email notifications and newsletters
- [SPAN Enterprises](https://thirdpartyindex.com/vendors/span-enterprises.md): Email delivery services for bulk email campaigns initiated from TaxBandits's services; Mailchimp is an all-in-one marketing platform for growing businesses.
- [Sprout Social](https://thirdpartyindex.com/vendors/sprout-social.md)
- [StatusCake](https://thirdpartyindex.com/vendors/statuscake.md): Email delivery
- [Statuspage](https://thirdpartyindex.com/vendors/statuspage.md): Communications technology provider for product notifications and video sharing over email
- [Storyblok](https://thirdpartyindex.com/vendors/storyblok.md)
- [Stova](https://thirdpartyindex.com/vendors/stova.md): SMTP Email for Stova Virtual Platform
- [streamGo](https://thirdpartyindex.com/vendors/streamgo.md): Email Service Provider
- [SubscriptionFlow](https://thirdpartyindex.com/vendors/subscriptionflow.md): Email Delivery; Email delivery services
- [Syncfusion](https://thirdpartyindex.com/vendors/syncfusion.md): Email Service Provider; Sending marketing emails
- [TeamForm](https://thirdpartyindex.com/vendors/teamform.md): Email marketing; Mail out and marketing
- [Tiger Pistol](https://thirdpartyindex.com/vendors/tiger-pistol.md): Email notification services for ad program partners.
- [Time Doctor](https://thirdpartyindex.com/vendors/time-doctor.md): Marketing
- [Topaz Labs](https://thirdpartyindex.com/vendors/topaz-labs.md): Transactional Emails for Products and Services Communications
- [TrackingTime](https://thirdpartyindex.com/vendors/trackingtime.md): Email messaging, United States
- [Truto](https://thirdpartyindex.com/vendors/truto.md): Disclosure by transmission
- [Tungsten Automation](https://thirdpartyindex.com/vendors/tungsten-automation.md): Email UK, Notification Service; Tungsten Service(s): Printix
- [UltraDNS](https://thirdpartyindex.com/vendors/ultradns.md): Support financial operations, email marketing, and lead generation
- [Unosecur](https://thirdpartyindex.com/vendors/unosecur.md)
- [User Interviews](https://thirdpartyindex.com/vendors/user-interviews.md): Sends transactional emails to Researchers
- [vFairs](https://thirdpartyindex.com/vendors/vfairs.md): Email Marketing Platform
- [Vonage](https://thirdpartyindex.com/vendors/vonage.md): Managed mail service for the purpose of sending mails.
- [Wasabi](https://thirdpartyindex.com/vendors/wasabi.md): Invoicing support
- [WebFX](https://thirdpartyindex.com/vendors/webfx.md): Email Delivery; Used as an email delivery service.
- [Welocalize](https://thirdpartyindex.com/vendors/welocalize.md): Email marketing campaigns
- [WeTravel](https://thirdpartyindex.com/vendors/wetravel.md): Email communication with users.
- [Whova](https://thirdpartyindex.com/vendors/whova.md): Email communication system
- [Workleap](https://thirdpartyindex.com/vendors/workleap.md): All Products; Email notification delivery service
- [WorkRamp](https://thirdpartyindex.com/vendors/workramp.md)
- [ZeeMee](https://thirdpartyindex.com/vendors/zeemee.md)
- [ZeroBounce](https://thirdpartyindex.com/vendors/zerobounce.md): Used as a backup provider to send transactional emails by processing recipient email addresses, message content, and delivery metadata to ensure reliable commun…

## Incidents reported by Mailchimp's subprocessors

Incidents reported in the last 30 days on their own status pages by 5 vendors Mailchimp lists as subprocessors. A subprocessor list names a company, not the service an incident touched.

- 2026-11-12: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported MMS Delivery Failures from Twilio to GCI United States (minor)
- 2026-11-12: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Failures from Twilio 10DLC to AT&T United States (minor)
- 2026-11-12: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Failures from Twilio to Orange Sierra Leone (minor)
- 2026-11-12: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Failures From Long Code Numbers to AT&T in the US (minor)
- 2026-11-11: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Delays from Twilio to MTS Kazakhstan (minor)
- 2026-11-11: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Failures from a Subset of Twilio Phone Numbers to Tcell Tajikistan (minor)
- 2026-11-11: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Mailchimp lists as a subprocessor, reported Unable to start new Workspace Agent runs (critical)
- 2026-11-11: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported MMS Delivery Delays from a Subset of Twilio Long Codes to Multiple Small Networks in United States (minor)
- 2026-11-11: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Failures from a Subset of Twilio Phone Numbers to K-Cell Kazakhstan (minor)
- 2026-11-11: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Mailchimp lists as a subprocessor, reported Elevated errors affecting logins, sign-ups, and ChatGPT features (minor)
- 2026-11-11: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Voice Call Failures in JP1 (minor)
- 2026-11-11: [Infobip](https://thirdpartyindex.com/vendors/infobip#status), which Mailchimp lists as a subprocessor, reported Multiple Location - WhatsApp Sender Registrations Failure (minor)
- 2026-11-11: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Failures from Twilio to Turkcell Turkey (minor)
- 2026-11-11: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Retroactive Incident Impacting Twilio Usage APIs (no impact stated)
- 2026-11-10: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Issue resolved (minor)
- 2026-11-10: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Receipt Delays from Twilio Phone Numbers to Movistar Venezuela (minor)
- 2026-11-10: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Gateway API (Lookup API) Failure Increase on Verizon in United States (minor)
- 2026-11-10: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Mailchimp lists as a subprocessor, reported Incorrect cost data in Costs API exports (no impact stated)
- 2026-11-10: [Infobip](https://thirdpartyindex.com/vendors/infobip#status), which Mailchimp lists as a subprocessor, reported Global (Europe) - Email Service Degradation (minor)
- 2026-11-09: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Mailchimp lists as a subprocessor, reported Elevated Errors On API (minor)
- 2026-11-09: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported WhatsApp Business API Message Send Failures (minor)
- 2026-11-09: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Mailchimp lists as a subprocessor, reported Elevated ChatGPT Conversation Errors (minor)
- 2026-11-09: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Voice Call Failures from a Subset of Twilio Phone Numbers to Chile (minor)
- 2026-11-09: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Voice Call Audio Quality Degradation, Silent and One-Way Audio between Twilio and Multiple Networks in United Kingdom (minor)
- 2026-11-09: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Delays and Failures from a Subset of Twilio Alphanumeric Sender IDs and Long Codes to Multiple Networks in Italy (minor)
- 2026-11-09: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio to Spusu United Kingdom (minor)
- 2026-11-09: [Infobip](https://thirdpartyindex.com/vendors/infobip#status), which Mailchimp lists as a subprocessor, reported Pakistan - Customer Portal Unavailable (critical)
- 2026-11-09: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Receipt Delays from Twilio to Bouygues Telecom France (minor)
- 2026-11-09: [Infobip](https://thirdpartyindex.com/vendors/infobip#status), which Mailchimp lists as a subprocessor, reported SMPP Service Disruption - Connection Issues (minor)
- 2026-11-09: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Failures from Network Subscribers in Germany to a Subset of Twilio Long Codes (minor)
- 2026-11-09: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Failures from Twilio to ETL Laos (minor)
- 2026-11-08: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Failures from Twilio to MTN Nigeria (minor)
- 2026-11-08: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Mailchimp lists as a subprocessor, reported Elevated errors with image generation (minor)
- 2026-11-08: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Silent Network Authentication (SNA) Failure Increase and Gateway API (Lookup API) Failure Increase on EnStream in Canada (minor)
- 2026-11-07: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Receipt Delays from Twilio to Globe Philippines (minor)
- 2026-11-07: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Receipt Delays from a Subset of Twilio Long Codes and Short Codes to Multiple Networks in United States (minor)
- 2026-11-07: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Delays from Twilio to Multiple Networks in India (minor)
- 2026-11-07: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Receipt Delays from a Subset of Twilio Short Codes to Multiple Networks in New Zealand (minor)
- 2026-11-07: [Infobip](https://thirdpartyindex.com/vendors/infobip#status), which Mailchimp lists as a subprocessor, reported Pakistan - Customer Portal Services Degradation (minor)
- 2026-11-06: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Long Codes to Multiple Networks in Chile (minor)
- 2026-11-06: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Mailchimp lists as a subprocessor, reported Elevated error rates with some U.S. business Mastercards (no impact stated)
- 2026-11-06: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Delays from Twilio to Claro Dominican Republic (minor)
- 2026-11-06: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported TwiML ConversationRelay Documents Page Error (minor)
- 2026-11-06: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Voice Call Failures from a Subset of Twilio Phone Numbers to Chile (minor)
- 2026-11-06: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Voice Call Audio Quality Degradation from a Subset of Twilio Mobile Numbers to Claro Colombia (minor)
- 2026-11-06: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Notification Logs Unavailable in Console (minor)
- 2026-11-06: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Delays Between Twilio and T-Mobile in Czech Republic (minor)
- 2026-11-05: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Voice Call Silent and One-Way Audio between a Subset of Twilio Phone Numbers and Multiple Networks in Colombia (minor)
- 2026-11-05: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Receipt Delays from a Subset of Twilio Short Codes to Liberty Puerto Rico (minor)
- 2026-11-05: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Failures from Twilio Phone Numbers to Lycamobile France (minor)
- 2026-11-05: [Infobip](https://thirdpartyindex.com/vendors/infobip#status), which Mailchimp lists as a subprocessor, reported United States - RCS sender management and Test numbers management degradation (minor)
- 2026-11-05: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Voice Call Failures From a Subset of Twilio Mobile Numbers to Argentina (minor)
- 2026-11-05: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Mailchimp lists as a subprocessor, reported ChatGPT Work and Dots Errors (minor)
- 2026-11-05: [Amplitude](https://thirdpartyindex.com/vendors/amplitude#status), which Mailchimp lists as a subprocessor, reported Session Replay capturing more sessions than configured (minor)
- 2026-11-05: [Amplitude](https://thirdpartyindex.com/vendors/amplitude#status), which Mailchimp lists as a subprocessor, reported Delayed S3 export (minor)
- 2026-11-05: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Voice Call Post Dial Delay from a Subset of Twilio Canada Phone Numbers to Rogers Wireless and Fido Canada (minor)
- 2026-11-04: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Mailchimp lists as a subprocessor, reported Elevated error rates across paid ChatGPT plans (minor)
- 2026-11-04: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Search Delays on Enterprise Knowledge (minor)
- 2026-11-04: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Delayed Email Validation History (minor)
- 2026-11-04: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Delays from Twilio to Claro Brazil (minor)
- 2026-11-04: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Delays from Twilio to Algar Telecom Brazil (minor)
- 2026-11-04: [Infobip](https://thirdpartyindex.com/vendors/infobip#status), which Mailchimp lists as a subprocessor, reported Indonesia - Issues with file processing in multiple services (major)
- 2026-11-04: [Infobip](https://thirdpartyindex.com/vendors/infobip#status), which Mailchimp lists as a subprocessor, reported Pakistan - General connectivity degradation (minor)
- 2026-11-04: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported MMS Delivery Failures from a Subset of Twilio Long Codes to GCI United States (minor)
- 2026-11-03: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported MMS Delivery Delays from a Subset of Twilio Long Codes to Multiple Small Networks in United States (minor)
- 2026-11-03: [Akamai](https://thirdpartyindex.com/vendors/akamai#status), which Mailchimp lists as a subprocessor, reported Property Manager Property Activation Errors (no impact stated)
- 2026-11-03: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported MMS Delivery Receipt Delays and Delivery Delays from a Subset of Twilio Long Codes and Short Codes to AT&T United States (minor)
- 2026-11-03: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported MMS Delivery Delays and Failures from a Subset of Twilio Short Codes to T-Mobile and Verizon United States (minor)
- 2026-11-03: [Infobip](https://thirdpartyindex.com/vendors/infobip#status), which Mailchimp lists as a subprocessor, reported United States - MMS service degradation (minor)
- 2026-11-03: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Short Codes and Long Codes to Brisanet Brazil (minor)
- 2026-11-03: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported MMS Delivery Delays from a Subset of Twilio Long Codes to Multiple Small Networks United States (minor)
- 2026-11-03: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Delays from Twilio to Entel Bolivia (minor)
- 2026-11-03: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Delays from Twilio to Lycamobile United Kingdom (minor)
- 2026-11-03: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Voice Call Audio Quality Degradation from a Subset of Twilio Phone Numbers to Multiple Networks in United States (minor)
- 2026-11-03: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported RateQueue Host Down Did Not Recover (minor)
- 2026-11-03: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Media Streams Audio Delays (minor)
- 2026-11-03: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Mailchimp lists as a subprocessor, reported File upload errors in ChatGPT (minor)
- 2026-11-02: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio to Claro Puerto Rico (minor)
- 2026-11-02: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Receipt Delays from a Subset of Twilio Short Codes to Liberty Puerto Rico (minor)
- 2026-11-02: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Voice Call One-Way Audio from Brazil to a Subset of Twilio Numbers (no impact stated)
- 2026-11-02: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Some Customers May Have Incorrect Balances Reflected on Their Account (minor)
- 2026-11-02: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio Alphanumeric Sender Type to T-Mobile Austria (minor)
- 2026-11-02: [Infobip](https://thirdpartyindex.com/vendors/infobip#status), which Mailchimp lists as a subprocessor, reported Multiple Locations - Salesforce Marketing Cloud Service Degradation (minor)
- 2026-11-02: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Long Codes to T-Mobile and O2 Czech Republic (minor)
- 2026-11-02: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Silent Network Authentication (SNA) Missing Redirects on XL Axiata in Indonesia (minor)
- 2026-11-02: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Voice Call Failures From a Subset of Twilio Philippines Phone Numbers to Multiple Networks in Philippines (minor)
- 2026-11-02: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Short Codes to Google Voice United States (minor)
- 2026-11-01: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Failures from Twilio to KDDI Japan (minor)
- 2026-10-31: [Infobip](https://thirdpartyindex.com/vendors/infobip#status), which Mailchimp lists as a subprocessor, reported Global (Europe) - Partial Packet Loss (minor)
- 2026-10-30: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Mailchimp lists as a subprocessor, reported Elevated errors with search in Dots, ChatGPT Work, and certain ChatGPT thinking experiences (minor)
- 2026-10-30: [Akamai](https://thirdpartyindex.com/vendors/akamai#status), which Mailchimp lists as a subprocessor, reported Customer Security Advisory: CVE-2026-98432 (no impact stated)
- 2026-10-30: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Silent Network Authentication (SNA) Missing Redirects and Gateway API (Lookup API) High Latency on KPN in Netherlands (minor)
- 2026-10-30: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Silent Network Authentication (SNA) Missing Redirects on Smart in Philippines (minor)
- 2026-10-30: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Mailchimp lists as a subprocessor, reported Elevated errors for GPT Image 2 API image edits (minor)
- 2026-10-30: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Automated Alert: Minimal Customer Impact (no impact stated)
- 2026-10-30: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS and MMS Delivery Delays from Twilio to Altice United States (minor)
- 2026-10-29: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Receipt Delays from Twilio to Multiple Networks in Multiple Countries Across Africa and Asia (minor)
- 2026-10-29: [Infobip](https://thirdpartyindex.com/vendors/infobip#status), which Mailchimp lists as a subprocessor, reported Global (Europe) - Zalo service degradation (minor)
- 2026-10-29: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Phone Numbers to Vivo Brazil (minor)
- 2026-10-29: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Gateway API (Lookup API) Failure Increase on Verizon in United States (minor)
- 2026-10-29: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Flex Agent Copilot Note Generation Issues (minor)
- 2026-10-29: [Infobip](https://thirdpartyindex.com/vendors/infobip#status), which Mailchimp lists as a subprocessor, reported Vietnam - Multiple services degradation (major)
- 2026-10-29: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Voice Call Failures from a Subset of Twilio Phone Numbers to T-Mobile United States (minor)
- 2026-10-29: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported MMS Delivery Receipt Delays from a Subset of Twilio Short Codes to T-Mobile United States (minor)
- 2026-10-28: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Link Shortening Redirect Errors on Branded Domains (minor)
- 2026-10-28: [Infobip](https://thirdpartyindex.com/vendors/infobip#status), which Mailchimp lists as a subprocessor, reported United States - HTTP API Degradation (minor)
- 2026-10-28: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Long Codes to Orange Belgium (minor)
- 2026-10-28: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Silent Network Authentication (SNA) Failure Increase and Gateway API (Lookup API) Failure Increase on EE in United Kingdom (minor)
- 2026-10-28: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Possible 503 Errors for Messaging Traffic in the Australia Region (minor)
- 2026-10-28: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Silent Network Authentication (SNA) Failure Increase on Indosat in Indonesia (minor)
- 2026-10-28: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio to MTC Namibia (minor)
- 2026-10-28: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Twilio Console Errors (no impact stated)
- 2026-10-28: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Elevated 500 Errors Affecting Programmable Voice API (no impact stated)
- 2026-10-27: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Delays from Twilio to Surf Telecom Brazil (minor)
- 2026-10-27: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Delays and Failures between a Subset of Twilio Long Codes and Multiple Networks in Portugal (minor)
- 2026-10-27: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Voice Call Failures From a Subset of Twilio Phone Numbers to Argentina (minor)
- 2026-10-27: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Elevated 500 Errors Affecting Programmable Messaging API (no impact stated)
- 2026-10-27: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported MMS Delivery Delays from a Subset of Twilio Long Codes to C-Spire United States (minor)
- 2026-10-27: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Automated Alert: Minimal Customer Impact (no impact stated)
- 2026-10-27: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Voice Call Failures from Twilio Mobile Numbers to Israel (minor)
- 2026-10-27: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Gateway API (Lookup API) Failure Increase on Three in United Kingdom (minor)
- 2026-10-27: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Mailchimp lists as a subprocessor, reported 6.1 Sol Degraded Model Performance (minor)
- 2026-10-27: [Akamai](https://thirdpartyindex.com/vendors/akamai#status), which Mailchimp lists as a subprocessor, reported Performance Degradation for Customers in Mumbai and Chennai (no impact stated)
- 2026-10-27: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported MMS Delivery Delays from a Subset of Twilio Long Codes to AT&T United States (minor)
- 2026-10-27: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio to Turkcell Turkey (minor)
- 2026-10-27: [Akamai](https://thirdpartyindex.com/vendors/akamai#status), which Mailchimp lists as a subprocessor, reported Enterprise Application Access (EAA) Connector Issues (minor)
- 2026-10-27: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Voice Call Failures from a Subset of Twilio Phone Numbers to Germany (minor)
- 2026-10-27: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Mailchimp lists as a subprocessor, reported Elevated error rates for most hosted Code Reviews and Security Reviews on private GitHub repositories (no impact stated)
- 2026-10-27: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Receipt Delays from a Subset of Twilio Long Codes to AT&T United States (minor)
- 2026-10-27: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Delays and Failures between a Subset of Twilio Long Codes and Multiple Networks in South Africa (minor)
- 2026-10-26: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Failures From a Subset of Twilio Phone Numbers to Multiple Networks in Brazil (minor)
- 2026-10-26: [Amplitude](https://thirdpartyindex.com/vendors/amplitude#status), which Mailchimp lists as a subprocessor, reported Data Ingestion Delays (minor)
- 2026-10-26: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported MMS Delivery Delays and Failures from a Subset of Twilio Long Codes to Cellcom United States (minor)
- 2026-10-26: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Short Codes to Docomo Pacific United States (minor)
- 2026-10-26: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Mailchimp lists as a subprocessor, reported Elevated error rates for Ads POST requests (minor)
- 2026-10-26: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported WhatsApp Sandbox Sending Configuration Issues (minor)
- 2026-10-26: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio to Mauritel Mauritania (minor)
- 2026-10-26: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Voice Call Failures from Twilio Phone Numbers to Digi Mobil Romania (minor)
- 2026-10-26: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Delays from Twilio to Cellcom Israel (minor)
- 2026-10-25: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Delays from Twilio to Telcel Mexico (minor)
- 2026-10-25: [Akamai](https://thirdpartyindex.com/vendors/akamai#status), which Mailchimp lists as a subprocessor, reported Edge Delivery issues between Indonesia and Singapore (minor)
- 2026-10-25: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio to Claro Brazil and Puerto Rico (minor)
- 2026-10-25: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Delays from Twilio to Telia Sweden (minor)
- 2026-10-25: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Delays from Twilio to Airtel Nigeria (minor)
- 2026-10-24: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Azure Marketplace SendGrid Customers Experiencing Account Management Issues (minor)
- 2026-10-24: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Silent Network Authentication (SNA) Missing Redirects and Gateway API (Lookup API) Failure Increase in Netherlands (minor)
- 2026-10-24: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported MMS Delivery Delays from a Subset of Twilio Long Codes to C-Spire United States (minor)
- 2026-10-24: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Silent Network Authentication (SNA) Missing Redirects on Vodafone in United Kingdom (minor)
- 2026-10-24: [Amplitude](https://thirdpartyindex.com/vendors/amplitude#status), which Mailchimp lists as a subprocessor, reported Delayed/Blocked Event Delivery to Amazon Kinesis Destination (no impact stated)
- 2026-10-24: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Voice Call Failures and Post Dial Delay From a Subset of Twilio Phone Numbers to United States (minor)
- 2026-10-24: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Delays from Twilio to WOM Colombia (minor)
- 2026-10-24: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Delays from Twilio to Claro Costa Rica (minor)
- 2026-10-23: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Mailchimp lists as a subprocessor, reported Degraded experience with ChatGPT app connections using CIMD (minor)
- 2026-10-23: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Voice Call Failures from Network Subscribers to Twilio Costa Rica Landline Numbers (minor)
- 2026-10-23: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Mailchimp lists as a subprocessor, reported Help Center Chat Support Degraded (no impact stated)
- 2026-10-23: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Short Codes and Long Codes to Claro Brazil (minor)
- 2026-10-23: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Failures from Twilio to Multiple Networks in South Africa (minor)
- 2026-10-23: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Phone Numbers to Telefonica Nicaragua (minor)
- 2026-10-23: [Infobip](https://thirdpartyindex.com/vendors/infobip#status), which Mailchimp lists as a subprocessor, reported Global (Europe)- Conversations Slowness and Errors (minor)
- 2026-10-23: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Voice Call Post Dial Delay from Twilio Phone Numbers to Chile (minor)
- 2026-10-23: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Short Codes and Long Codes to Appalachian Wireless United States (minor)
- 2026-10-23: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Short Codes to Liberty Mobile Puerto Rico (minor)
- 2026-10-23: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Receipt Delays from Twilio to Multiple Networks in United States and Canada (minor)
- 2026-10-23: [Akamai](https://thirdpartyindex.com/vendors/akamai#status), which Mailchimp lists as a subprocessor, reported Customer Security Advisory: Brotli Remote Code Execution Vulnerabilities \[CVE-2026-111497\] (no impact stated)
- 2026-10-23: [Infobip](https://thirdpartyindex.com/vendors/infobip#status), which Mailchimp lists as a subprocessor, reported United States - Moments service degradation (major)
- 2026-10-23: [Infobip](https://thirdpartyindex.com/vendors/infobip#status), which Mailchimp lists as a subprocessor, reported United States - SMPP service degradation (major)
- 2026-10-23: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio to Telecall Brazil (minor)
- 2026-10-23: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Short Codes to Claro Colombia (minor)
- 2026-10-23: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Delays from Twilio to Surf Telecom Brazil (minor)
- 2026-10-23: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Mailchimp lists as a subprocessor, reported Delays in customer support responses (no impact stated)
- 2026-10-23: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Delays between a Subset of Twilio Phone Numbers and Multiple Networks in Brazil (minor)
- 2026-10-23: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported MMS Delivery Delays from a Subset of Twilio Long Codes to Viaero United States (minor)
- 2026-10-22: [Amplitude](https://thirdpartyindex.com/vendors/amplitude#status), which Mailchimp lists as a subprocessor, reported Streaming to External Destinations Unavailable (no impact stated)
- 2026-10-22: [Amplitude](https://thirdpartyindex.com/vendors/amplitude#status), which Mailchimp lists as a subprocessor, reported Amplitude Website Outage (no impact stated)
- 2026-10-22: [Akamai](https://thirdpartyindex.com/vendors/akamai#status), which Mailchimp lists as a subprocessor, reported Customer Security Advisory: Critical F5/NGINX Out-of-Band Vulnerabilities (no impact stated)
- 2026-10-22: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Mailchimp lists as a subprocessor, reported New Ad Accounts failing to provision admins (minor)
- 2026-10-22: [Amplitude](https://thirdpartyindex.com/vendors/amplitude#status), which Mailchimp lists as a subprocessor, reported Notice: Amplitude not impacted by recent PHP vulnerabilities (no impact stated)
- 2026-10-22: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Mailchimp lists as a subprocessor, reported Degraded Performance of Dots on Enterprise (minor)
- 2026-10-22: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Issue with 500 Errors on Porting Request Submissions (minor)
- 2026-10-22: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Issue with Realtime Transcriptions and Deepgram (no impact stated)
- 2026-10-22: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Intelligent Alerts Delivery Issues (minor)
- 2026-10-22: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Hosted Number Verification Calls not Reaching Customers (minor)
- 2026-10-22: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio to Malitel Mali (minor)
- 2026-10-22: [Infobip](https://thirdpartyindex.com/vendors/infobip#status), which Mailchimp lists as a subprocessor, reported Multiple Locations - Customer Portal Login Service Degradation (minor)
- 2026-10-22: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported RCS Inbound Events Delayed (minor)
- 2026-10-22: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Mailchimp lists as a subprocessor, reported Elevated ChatGPT conversation and Responses API errors (minor)
- 2026-10-22: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Billing Delays (no impact stated)
- 2026-10-22: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Delays from Twilio to MTN Nigeria (minor)
- 2026-10-21: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Mailchimp lists as a subprocessor, reported Authentication errors for some users (major)
- 2026-10-21: [Akamai](https://thirdpartyindex.com/vendors/akamai#status), which Mailchimp lists as a subprocessor, reported Edge Delivery Secure CDN platform at Risk of Capacity Issues (no impact stated)
- 2026-10-21: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Silent Network Authentication (SNA) Missing Redirects and Gateway API (Lookup API) Failure Increase in Netherlands (minor)
- 2026-10-21: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Short Codes to Cellularone NE Arizona United States (minor)
- 2026-10-21: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Failures from a Subset of Twilio Alphanumeric Sender Type to Jazz Pakistan (minor)
- 2026-10-21: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio Short Codes to Multiple Networks in India (minor)
- 2026-10-21: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Failures from United Kingdom to a Subset of Twilio Long Codes (minor)
- 2026-10-21: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Mailchimp lists as a subprocessor, reported Elevated error rates for gpt-5.6-luna API requests (minor)
- 2026-10-21: [Akamai](https://thirdpartyindex.com/vendors/akamai#status), which Mailchimp lists as a subprocessor, reported Web Security Analytics, Reporting and Configuration Deployment Issues (minor)
- 2026-10-21: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Customer's Unable to Create New Requests for Hosting and Porting (minor)
- 2026-10-21: [Akamai](https://thirdpartyindex.com/vendors/akamai#status), which Mailchimp lists as a subprocessor, reported Customer Security Advisory: PHP Remote Code Execution Vulnerabilities (no impact stated)
- 2026-10-21: [Akamai](https://thirdpartyindex.com/vendors/akamai#status), which Mailchimp lists as a subprocessor, reported NetStorage issues in Los Angeles (minor)
- 2026-10-21: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Mailchimp lists as a subprocessor, reported Elevated FedRAMP API error rates for Astra and Sol (minor)
- 2026-10-21: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Delays from Twilio to Orange France (minor)
- 2026-10-21: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Voice Call Post Dial Delay From a Subset of Twilio Phone Numbers to Israel (minor)
- 2026-10-21: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Mailchimp lists as a subprocessor, reported Degraded performance in ChatGPT, Codex, and APIs (minor)
- 2026-10-21: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Delays from Twilio to T-Mobile Czech Republic (minor)
- 2026-10-20: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Failures from a Subset of Twilio Alphanumeric Sender IDs to United Arab Emirates (minor)
- 2026-10-20: [Amplitude](https://thirdpartyindex.com/vendors/amplitude#status), which Mailchimp lists as a subprocessor, reported Export API returns 500 errors across multiple organizations (minor)
- 2026-10-20: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Short Codes to Telnyx United States (minor)
- 2026-10-20: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Issue with Flex Agent Copilot Auto Wrap-up Notes (minor)
- 2026-10-20: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Phone Numbers to Telstra Australia (minor)
- 2026-10-20: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported WhatsApp Embedded Signup Configuration Failures (minor)
- 2026-10-20: [Infobip](https://thirdpartyindex.com/vendors/infobip#status), which Mailchimp lists as a subprocessor, reported Vietnam - General service degradation (major)
- 2026-10-20: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Voice Call Failures from Twilio Phone Numbers to Digi.Mobil Romania (minor)
- 2026-10-20: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Silent Network Authentication (SNA) Failure Increase on AT&T in United States (minor)
- 2026-10-20: [Infobip](https://thirdpartyindex.com/vendors/infobip#status), which Mailchimp lists as a subprocessor, reported United States - Multiple Service Degradation (minor)
- 2026-10-20: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Voice Call Failures from Network Subscribers to a Subset of Twilio Thailand Phone Numbers (minor)
- 2026-10-19: [Infobip](https://thirdpartyindex.com/vendors/infobip#status), which Mailchimp lists as a subprocessor, reported Smpp System down For Accounts Located In The Us Infrastructure. (major)
- 2026-10-19: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported MMS Delivery Delays from a Subset of Twilio Long Codes to AT&T United States (minor)
- 2026-10-19: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported MMS Delivery Delays from a Subset of Twilio Long Codes to Telus Canada (minor)
- 2026-10-19: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported RCS Delivery Receipt Delays for AT&T (minor)
- 2026-10-19: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Delays and Failures between a Subset of Twilio Long Codes and Multiple Networks in Italy (minor)
- 2026-10-19: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Voice Call Failures from a Subset of Twilio Phone Numbers to Portugal (minor)
- 2026-10-19: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Mailchimp lists as a subprocessor, reported File Download errors (minor)
- 2026-10-19: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Voice Call Failures and Post Dial Delay from a Subset of Twilio Mobile Numbers to Brazil (minor)
- 2026-10-19: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Voice Call Failures from a Subset of Callers to Twilio Denmark Phone Numbers (minor)
- 2026-10-19: [Infobip](https://thirdpartyindex.com/vendors/infobip#status), which Mailchimp lists as a subprocessor, reported EU Region-locked - Multiple Service Degradation (major)
- 2026-10-19: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Receipt Delays from Twilio to Surf Telecom Brazil (minor)
- 2026-10-18: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Short Codes to Brisanet Brazil (minor)
- 2026-10-17: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Failures from Twilio Alphanumeric Sender Type to Multiple Networks in Turkey (minor)
- 2026-10-17: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported 5300 Errors on Singapore Client Edge (minor)
- 2026-10-17: [Amplitude](https://thirdpartyindex.com/vendors/amplitude#status), which Mailchimp lists as a subprocessor, reported We are actively investigating an issue with our ingestion systems lagging (minor)
- 2026-10-16: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported On Call Engineers are Investigating Errors with the Virtual Phone in Legacy Console (no impact stated)
- 2026-10-16: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Short Codes and Long Codes to Multiple Networks in Colombia (minor)
- 2026-10-16: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Delayed A2P Campaign Approvals (minor)
- 2026-10-16: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Delays and Failures from a Subset of Twilio Alphanumeric Sender IDs and Long Codes to Multiple Networks in Czech Republic (minor)
- 2026-10-16: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Receipt Delays from a Subset of Twilio Short Codes to Verizon United States (minor)
- 2026-10-16: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Short Codes to Brisanet Brazil (minor)
- 2026-10-16: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Voice Call Post Dial Delay from a Subset of Twilio Phone Numbers to Brazil (minor)
- 2026-10-16: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Receipt Delays from Twilio to MTN Nigeria (minor)
- 2026-10-16: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Voice Call Silent and One-Way Audio from Gamma United Kingdom to a Subset of Twilio United Kingdom Phone Numbers (minor)
- 2026-10-16: [Infobip](https://thirdpartyindex.com/vendors/infobip#status), which Mailchimp lists as a subprocessor, reported Colombia - Voice Service Distruption (no impact stated)
- 2026-10-15: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Voice Call Post Dial Delay from a Subset of Twilio Toll-Free, Landline, and Mobile Phone Numbers to Multiple Networks in Multiple Countries (minor)
- 2026-10-15: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Voice Call Failures from Austria to a Subset of Twilio Austria Phone Numbers (minor)
- 2026-10-15: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Email suppression issues (no impact stated)
- 2026-10-15: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Mailchimp lists as a subprocessor, reported Widespread feature degradation (major)
- 2026-10-15: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Receipt Delays from a Subset of Twilio Short Codes to Brisanet Brazil (minor)
- 2026-10-15: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Failures from France to a Subset of Twilio Short Codes (minor)
- 2026-10-15: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Failures from Network Subscribers to Twilio Colombia Shortcode Numbers (minor)
- 2026-10-15: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Silent Network Authentication (SNA) Failure Increase in Philippines (minor)
- 2026-10-15: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Delays From a Subset of Twilio Phone Numbers to Surf Telecom Brazil (minor)
- 2026-10-14: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Failures from Twilio Alphanumeric Sender IDs and Long Codes to Evatis Djibouti (minor)
- 2026-10-14: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Receipt Delays from a Subset of Twilio Short Codes to Liberty Mobile Puerto Rico (minor)
- 2026-10-14: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Mailchimp lists as a subprocessor, reported Delayed Costs data in the Compliance API (minor)
- 2026-10-14: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Receipt Delays from a Subset of Twilio to Altan Redes Mexico (minor)
- 2026-10-14: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Voice Call Failures and Post Dial Delay from Twilio Phone Numbers to Israel (minor)
- 2026-10-14: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Automated Alert: No Customer Impact (no impact stated)
- 2026-10-14: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Mailchimp lists as a subprocessor, reported Limited availability on gpt-image-2.5-flare and gpt-image-2.5-sunburst (minor)
- 2026-10-14: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Mailchimp lists as a subprocessor, reported Degraded performance in Codex and ChatGPT Work (minor)
- 2026-10-14: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Delays and Failures between Twilio and Multiple Networks in Brazil and Italy (minor)
- 2026-10-13: [Amplitude](https://thirdpartyindex.com/vendors/amplitude#status), which Mailchimp lists as a subprocessor, reported Degraded Performance- Funnel charts renders as white text on a white/near-white background in light theme (no impact stated)
- 2026-10-13: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Delays and Failures from a Subset of Twilio Alphanumeric Sender IDs to Beeline Kazakhstan (minor)
- 2026-10-13: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Voice Call Audio Quality Degradation between Twilio Phone Numbers and Multiple Networks in Brazil (minor)
- 2026-10-13: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio to VIVACOM Bulgaria (minor)
- 2026-10-13: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Mailchimp lists as a subprocessor, reported Voice Call Failures between a Subset of Twilio South Africa Phone Numbers and Multiple Networks in South Africa (minor)

The subprocessor list as we read it on any date: https://thirdpartyindex.com/labs/time-machine/mailchimp

## Security contact

From its security.txt (https://mailchimp.com/.well-known/security.txt) ([evidence](https://thirdpartyindex.com/evidence/316)):

- Contact: https://mailchimp.com/about/security/#Responsible_Disclosure
- No expiry date

---

Third Party Index (https://thirdpartyindex.com) monitors vendors' public security and privacy documents and keeps each version as evidence. Data CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/); vendors' own documents are theirs. API: https://thirdpartyindex.com/api