SendGrid

sendgrid.com · email · Part of Twilio

SendGrid declares 33 subprocessors in its subprocessor list, which we last checked on Nov 11, 2026 (evidence). They include Amazon Web Services, Google Cloud and OpenAI. No published changes since we first read it on Sep 22, 2026. 453 tracked vendors name SendGrid as a subprocessor, including Zendesk, Okta and WorkOS.

Subprocessors CSV · Atom DORA draft CSV what's this? · 

33 third parties.

NamePurposeLocationListed since
Adaptive Mobile (ENEA) Adaptive Mobile (ENEA) enforces message safety, spam filtering, threat detection and abuse prevention for specific Twilio Products and ServicesUSA
Amazon Bedrock AIAmazon Bedrock provide AI functionality including LLM models for specific Twilio Products and ServicesUSA
Anthropic AIAnthropic provides AI functionality including LLM models for specific Twilio Products and ServicesUSA
AWS
AWS Provide core cloud hosting and data storage infrastructure for specific Twilio Products and Services; AWS executes automated text-to-speech conversion, speech recognition, and natural language text processing for specific Twilio Products and Services; AWS provides automation and storage services for marketing campaigns for specific Twilio Products and Services; AWS provides streaming and interactive video functionality for Twilio Products and Services; AWS route and transmit emails for specific Twilio Products and Services
USA; USA*; USA*, EU, AU; USA; EU
Clickhouse Clickhouse provide hosting and data storage infrastructure for specific Twilio Products and ServicesUSA; EU
DataBank Hosting services and storage.North America
Datadog Datadog monitors of platform security and system health for specific Twilio Products and ServicesUSA
Deepgram AIDeepgram transcribes voice media into text via automated speech recognition for specific Twilio Products and ServicesUSA
Digital Realty Hosting services and storage.North America / EU
DVELP/Sabio DVELP/Sabio provides integration connectivity to customer Google CCAI instances for specific Twilio Products and ServicesUK (provision of the services), Belgium, Finland, Germany, Netherlands, and Poland (data persistence/backups)
Elastic Elastic provides support system indexing, search query optimisation, and operational log analytics for specific Twilio Products and ServicesUSA
ElevenLabs AIElevenLabs executes automated speech summarisation, audio synthesis, and sentiment detection, as enabled by customers for specific Twilio Products and ServicesEU; USA
Fivetran Fivetran automates data synchronisation between operational systems for internal business reporting for specific Twilio Products and ServicesUSA
GoodData Corporation GoodData Corporation delivers data analytics, custom reporting dashboards, and business intelligence visualisation as enabled by customers for specific Twilio Products and ServicesUSA
Google
Google provides database storage, compute resources, and query processing for specific Twilio Products and Services; Google transcribes voice media into text via automated speech recognition as enabled by customers for specific Twilio Products and Services
USA or EU (Zurich & London) as selected by Customers; USA*
Google RCS Google RCS delivers inbound and outbound authentication messages for specific Twilio Products and ServicesAsia: Taiwan, Japan, Singapore; Chile,; Ireland, Netherlands, Denmark, Finland, Belgium,
Hex Hex provides internal business intelligence, data visualization, and collaborative analytics for specific Twilio Products and ServicesUSA
Honeycomb Honeycomb provides real-time system observability, application debugging, and performance tracing for specific Twilio Products and ServicesUSA
Lakera Lakera AI provides security monitoring, data leakage prevention, and real-time threat detection within automated workflows for specific Twilio Products and ServicesUSA
Lumen Hosting services and storage.North America
Meta Meta Routes, transmits and delivers messages for specific Twilio Products and ServicesUSA
Microsoft Azure
Microsoft Azure Transcribes voice media into text via automated speech recognition as enabled by customers for specific Twilio Products and Services; Microsoft Azure provides AI functionality including Large Language Models for specific Twilio Products and Services
USA; USA; EU
Mintlify Mintlify provides service documentation management for specific Twilio Products and ServicesUSA
OpenAI AIOpenAI Provides AI functionality including Large Language Models for specific Twilio Products and ServicesUSA
Plain Plain Manages multi-channel customer support communication and service ticket resolution for specific Twilio Products and ServicesUK
Postmark Postmark Routes, transmits, and delivers of outbound email communications for specific Twilio Products and ServicesUSA
Sinch Sinch routes, transmits, and delivers of outbound SMS communications for specific Twilio Products and ServicesUSA
Slack Slack provides customer Support chat/messaging solutions for specific Twilio Products and ServicesUSA
Snowflake
Snowflake Manages campaign data storage and executes email marketing automation for specific Twilio Products and Services; Snowflake provides data warehousing and data storage services for specific Twilio Products and Services
USA
Svix Svix delivers real-time system alerts and notifications for specific Twilio Products and ServicesUSA
Temporal Cloud Temporal Cloud schedules and executes the customer defined workflows for specific Twilio Products and ServicesUSA
Twilio Inc.
If Twilio Inc. is not the Twilio party to the agreement, then Twilio Inc. is acting as a sub-processor for that Twilio party. (For example. If you are contracting with Twilio Ireland Ltd, then Twilio Inc. is acting as a sub-processor for the provision of the services.) Provision of the Twilio Services
USA*
VoiceBase VoiceBase transcribes voice media into text via automated speech recognition as enabled by customers for specific Twilio Products and ServicesUSA

Web TechnologiesCSV · Atom

SendGrid's homepage made 226 requests to 40 domains, 19 services controlled by another company, and 2 domains not identified.

Advertising (6): Google Cloud, Microsoft, StackAdapt, Reddit, Inc., LY Corporation; usually detected as Advertising: XandrAnalytics (4): LinkedIn, Meta, Cloudflare; usually detected as Analytics: WingifyMarketing automation (3): 6Sense Insights, Inc., Adobe, SalesloftLive chat (1): Qualified.com, Inc.Cookie compliance (1): TrustArcCDN (1): jsDelivrOther (3): Accessibility: Silktide; usually detected as Issue trackers: Sentry; SEO: InLinks Optimization LTD

19 third parties by category: Advertising 6Analytics 4Marketing automation 3Live chat 1Cookie compliance 1CDN 1Other 3

Third parties 19 · 165 requests
Google Cloudsubprocessor DoubleClick Floodlight Google Analytics Google Tag Manager 23% of the page's requests 51
Qualified.com, Inc. Qualified 16% of the page's requests 37
6Sense Insights, Inc. 6sense 8% of the page's requests 19
Adobe Marketo 4% of the page's requests 9
Microsoftsubprocessor Microsoft Advertising 4% of the page's requests 8
StackAdapt StackAdapt 4% of the page's requests 8
TrustArc TrustArc 3% of the page's requests 7
LinkedIn Linkedin Insight Tag 2% of the page's requests 4
Metasubprocessor Facebook Pixel 2.9.435 2% of the page's requests 4
Reddit, Inc. Reddit Ads 1% of the page's requests 3
Salesloft Salesloft 1% of the page's requests 3
Wingify visualwebsiteoptimizer.com 1% of the page's requests 3
InLinks Optimization LTD InLinks <1% of the page's requests 2
LY Corporation Yahoo! JAPAN Ads <1% of the page's requests 2
Cloudflare Cloudflare Browser Insights <1% of the page's requests 1
Sentry sentry.io <1% of the page's requests 1
Silktide Silktide <1% of the page's requests 1
Xandr adnxs.com <1% of the page's requests 1
jsDelivr jsDelivr <1% of the page's requests 1
Affiliates 1 · 10 requests
Segment Segment 1.84.3 4% of the page's requests 10
Unknown 2 · 13 requests

powerrobotflower.comslim02.jp

First party 1 · 38 requests
SendGrid Adobe Audience Manager Adobe Experience Manager Adobe Experience Platform Identity Service Adobe Experience Platform Launch Adobe Target 2.11.7 Algolia Amazon CloudFront Amazon S3 Amazon Web Services Java Open Graph PWA Sentry Wistia Yahoo Advertising ZURB Foundation core-js 3.32.2 jQuery 1.12.4 17% of the page's requests 38

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

Subprocessor of (453)CSV · Atom

1–100 of 453
  • 1000minds 1000minds.com Cloud provider; Email delivery
  • 123FormBuilder 123formbuilder.com
  • 15Five 15five.com
  • 2NDSITE Inc. (Freshbooks) freshbooks.com Cloud Service Provider for FreshBooks features and functionality.
  • 3CX 3cx.com Email delivery services; Email provider
  • Abode abodehr.com Email Delivery
  • Accelevents Event Platform accelevents.com Sendgrid is our transactional email delivery system. We manage the email templates in sendgrid and use the API to push event information to sendgrid.
  • ActiveState activestate.com Marketing emails
  • Actualyze AI actualyze.ai Core Product, Email Communications Legal Entity: Twilio Inc.; Customer Notifications
  • Ada Support ada.cx Email Service Provider
  • Adaptive Security adaptivesecurity.com Email delivery service used for transactional and application emails.
  • Adiacent adiacent.com è un provider SMTP basato su cloud che utilizziamo per inviare email transazionali e di marketing.
  • Adobe adobe.com SendGrid is used to send transactional emails from Adobe Commerce (such as receipts to customers, login emails, and other administration information) if a customer chooses to use this option. When enabled, SendGrid will process certain details (including email address, IP address, and subject line of emails).
  • Aerospike aerospike.com Outbound email; Sends transactional and notification emails to customers and users
  • AfterShip aftership.com Email Notification
  • AgentSync agentsync.io Data Warehouse and Processing Services (Contracting)
  • Agilysys agilysys.com
  • Ahrefs ahrefs.com Customer communication
  • Airship airship.com Email delivery provider
  • AlertMedia alertmedia.com AlertMedia customer email delivery and transactional email services
  • AllClients allclients.com Email Services
  • Altvia altvia.com Email message delivery and mailing statistics
  • Ambition ambition.com Email
  • AODocs aodocs.com
  • Apica apica.io Email delivery services
  • APILayer apilayer.com SMTP Service
  • Apptio apptio.com Email Delivery for On-Demand Service
  • Appwrite appwrite.io Two factor authentication, based on the user’s choice
  • Archbee archbee.com Customer Service
  • Assembly joinassembly.com Email processing tool
  • Awardco awardco.com
  • Axcient axcient.com Product Emails
  • B2Gnow b2gnow.com
  • Backblaze backblaze.com A service used by Backblaze to send email messages.
  • Beebole beebole.com Transactional email delivery (reports, digests, invitations, notifications)
  • Bento bentonow.com Email delivery
  • Bettermode bettermode.com Email Notifications
  • BigID bigid.com Transactional Email
  • Binti binti.com SMS and email transmission; Services provider for secure SMS MFA and email transmission.
  • BirdEye birdeye.com
  • Bizzabo bizzabo.com Email Delivery
  • Black Kite blackkite.com Email Service; Send emails triggered by workflow engine
  • Blackboard blackboard.com Email Delivery; Email delivery; Email delivery service; Mail campaigns; Messaging/Emails
  • Blended Teaching blended-teaching.com account and service email, including sign-in emails
  • Blitzz blitzz.co Transactional email delivery. Handles programmatically triggered emails such as notifications and alerts sent from Blitzz applications.
  • Blooket blooket.com Customer emails
  • Bloomfire bloomfire.com Bloomfire sends all outbound emails through SendGrid’s SMTP service. SendGrid does not have permanent access to Bloomfire data, nor does it operate within Bloomfire’s AWS network.
  • Bluecore bluecore.com Email and SMS Delivery Services
  • BlueMarvel bluemarvel.ai Email Delivery
  • Bonusly bonus.ly Transactional email delivery
  • Builder.io builder.io
  • Cal.com cal.com
  • Canopy canopy.is Transactional emails
  • Capacity capacity.com Cloud provider; Delivers transactional and automated emails, including user notifications and correspondence.
  • Cavalry cavalry.ai
  • CB Insights cbinsights.com Marketing Automation
  • Centerfuze centerfuze.com Email Delivery
  • Cerebras cerebras.ai User communication management for Cerebras inference service
  • Cerebrium cerebrium.ai Customer email addresses and account notifications; Transactional email
  • Cerenade cerenade.com Email delivery provider used to send application emails (where configured as the mail server)
  • Channelscaler channelscaler.com Provision of email platform for system
  • ChargeOver chargeover.com Sending email
  • Chatra chatra.com Email infrastructure
  • Check Point Software Technologies checkpoint.com Authentication, Notifications and Database Connection
  • Checkr checkr.com Customer Communication
  • ChurnZero churnzero.com Email Sending Stack
  • Cint cint.com Email delivery and analytics
  • Cirrus Insight cirrusinsight.com Customer notifications; Email service provider
  • CirrusMD cirrusmd.com Cloud-based email delivery service
  • CK-12 Foundation ck12.org user communications
  • Clarify clarify.ai Email Sending
  • Clarity clarity.com
  • ClearMash clearmash.com Communications technology provider for product notifications
  • Clerk clerk.com Email delivery
  • Clerk Chat clerk.chat
  • CleverTap clevertap.com Digital Advertising Tech
  • ClickTime clicktime.com Email delivery service; Sales and Support Services
  • ClientSuccess clientsuccess.com Email Service Provider
  • Cloudevolve cloudevolve.com Transactional email delivery (alerts, reports, notifications)
  • Cloudinary cloudinary.com Email Automation
  • Cloudmersive cloudmersive.com Email Infrastructure
  • Cloverpop cloverpop.com Cloud-based Email Messaging
  • CM.com cm.com
  • Cohere cohere.com Email Communications
  • Command Alkon commandalkon.com SMS messaging
  • Common Room commonroom.io Email delivery
  • Confirm confirm.com
  • ConnectWise connectwise.com Product Emails; Product Emails (x360Sync)
  • ContactMonkey contactmonkey.com Email delivery service for “Email at Scale” (opt-in).
  • Contractbook contractbook.com Sendgrid is a mail system that Contractbook utilises to send notifications about contracts.
  • ConvertFlow convertflow.com Communications technology provider for product notifications
  • CookieYes cookieyes.com Email delivery services
  • Couchbase couchbase.com Customer support services
  • Count count.co Communication platform; Count Canvas Platform: Count’s application email server provider for app based email notification and alerts. Email messages may be sent to the user e.g. notifications of sharing and commenting. Email messages may optionally include Personal data if the user creates a canvas alert containing Personal data. Privacy policy: [ DPA: [
  • Cradle cradle.io Transactional email
  • Credly by Pearson info.credly.com Email notification services; Used to send invitation emails to Earners to create accounts on the Credly platform; Used to send invitation emails to create accounts on the Faethm platform
  • Cribl cribl.io
  • CRM Messaging crm-messaging.cloud Email delivery for marketing and transactional messages
  • Crossbeam crossbeam.com Cloud-based service for transactional email delivery
  • CS DISCO csdisco.com Transactional email deliverability tool
  • Show next 50

Service statusCSV · Atom

Aug 15: 9 incidents (7 minor, 2 no impact stated)Aug 16: 4 incidents (3 minor, 1 no impact stated)Aug 17: 7 incidents (6 minor, 1 no impact stated)Aug 18: 7 incidents (7 minor)Aug 19: 9 incidents (1 major, 8 minor)Aug 20: 3 incidents (2 minor, 1 no impact stated)Aug 21: 9 incidents (8 minor, 1 no impact stated)Aug 22: 5 incidents (5 minor)Aug 23: no incident reportedAug 24: 5 incidents (5 minor)Aug 25: 13 incidents (12 minor, 1 no impact stated)Aug 26: 12 incidents (11 minor, 1 no impact stated)Aug 27: 5 incidents (4 minor, 1 no impact stated)Aug 28: 14 incidents (12 minor, 2 no impact stated)Aug 29: 4 incidents (4 minor)Aug 30: 3 incidents (3 minor)Aug 31: 9 incidents (8 minor, 1 no impact stated)Sep 1: 10 incidents (10 minor)Sep 2: 7 incidents (7 minor)Sep 3: 7 incidents (5 minor, 2 no impact stated)Sep 4: 6 incidents (6 minor)Sep 5: 3 incidents (3 minor)Sep 6: no incident reportedSep 7: 6 incidents (5 minor, 1 no impact stated)Sep 8: 10 incidents (9 minor, 1 no impact stated)Sep 9: 8 incidents (7 minor, 1 no impact stated)Sep 10: 6 incidents (3 minor, 3 no impact stated)Sep 11: 5 incidents (5 minor)Sep 12: 3 incidents (3 minor)Sep 13: no incident reportedSep 14: 7 incidents (6 minor, 1 no impact stated)Sep 15: 10 incidents (9 minor, 1 no impact stated)Sep 16: 13 incidents (13 minor)Sep 17: 6 incidents (5 minor, 1 no impact stated)Sep 18: 9 incidents (9 minor)Sep 19: 1 incident (1 minor)Sep 20: 2 incidents (2 minor)Sep 21: 6 incidents (4 minor, 2 no impact stated)Sep 22: 9 incidents (8 minor, 1 no impact stated)Sep 23: 6 incidents (6 minor)Sep 24: 9 incidents (9 minor)Sep 25: 7 incidents (7 minor)Sep 26: 1 incident (1 minor)Sep 27: 1 incident (1 minor)Sep 28: 5 incidents (3 minor, 2 no impact stated)Sep 29: 1 incident (1 minor)Sep 30: 13 incidents (13 minor)Oct 1: 6 incidents (6 minor)Oct 2: 8 incidents (6 minor, 2 no impact stated)Oct 3: 3 incidents (3 minor)Oct 4: 1 incident (1 minor)Oct 5: 6 incidents (6 minor)Oct 6: 8 incidents (8 minor)Oct 7: 4 incidents (4 minor)Oct 8: 4 incidents (4 minor)Oct 9: 4 incidents (4 minor)Oct 10: 5 incidents (4 minor, 1 no impact stated)Oct 11: 2 incidents (2 minor)Oct 12: 12 incidents (12 minor)Oct 13: 5 incidents (5 minor)Oct 14: 6 incidents (5 minor, 1 no impact stated)Oct 15: 8 incidents (7 minor, 1 no impact stated)Oct 16: 9 incidents (8 minor, 1 no impact stated)Oct 17: 2 incidents (2 minor)Oct 18: 1 incident (1 minor)Oct 19: 8 incidents (8 minor)Oct 20: 8 incidents (8 minor)Oct 21: 9 incidents (9 minor)Oct 22: 8 incidents (6 minor, 2 no impact stated)Oct 23: 13 incidents (13 minor)Oct 24: 7 incidents (7 minor)Oct 25: 4 incidents (4 minor)Oct 26: 7 incidents (7 minor)Oct 27: 14 incidents (12 minor, 2 no impact stated)Oct 28: 7 incidents (5 minor, 2 no impact stated)Oct 29: 6 incidents (6 minor)Oct 30: 4 incidents (3 minor, 1 no impact stated)Oct 31: no incident reportedNov 1: 1 incident (1 minor)Nov 2: 9 incidents (8 minor, 1 no impact stated)Nov 3: 10 incidents (10 minor)Nov 4: 5 incidents (5 minor)Nov 5: 5 incidents (5 minor)Nov 6: 7 incidents (7 minor)Nov 7: 4 incidents (4 minor)Nov 8: 2 incidents (2 minor)Nov 9: 8 incidents (8 minor)Nov 10: 3 incidents (3 minor)Nov 11: 7 incidents (6 minor, 1 no impact stated)Nov 12: 4 incidents (4 minor)

90 days agotoday

  • 554 incidents in 90 days
  • 1 major or critical
  • 5 h 59 min typical time to resolve
  • 2 h 17 min longest major
BeganIncidentImpactLasted
SMS Delivery Failures From Subset of Twilio Numbers in Brazilminor9 h 49 min
MMS Delivery Delays to Multiple networks in Canada & United States of America via Subset of Longcodesminor4 h 22 min
SMS Delivery Failures to Datora in Brazilminor3 days
SMS Delivery Delays to Ooredoo Network in Tunisiaminor2 days
Call Quality Issue To and From a Subset of Twilio Phone Numbers in Taiwanminor8 days
MMS Delivery Failures from Twilio to GCI United Statesminor3 min
SMS Delivery Failures from Twilio 10DLC to AT&T United Statesminor4 h 3 min
SMS Delivery Failures from Twilio to Orange Sierra Leoneminorongoing

Incidents per month

0 100 200 Dec 2025: 164 incidents (2 major, 145 minor, 17 no impact stated) · typical time to resolve 6 h 22 min Jan 2026: 153 incidents (138 minor, 15 no impact stated) · typical time to resolve 5 h 10 min Feb 2026: 157 incidents (136 minor, 21 no impact stated) · typical time to resolve 5 h 7 min Mar 2026: 165 incidents (1 major, 146 minor, 18 no impact stated) · typical time to resolve 4 h 59 min Apr 2026: 124 incidents (111 minor, 13 no impact stated) · typical time to resolve 4 h 25 min May 2026: 154 incidents (1 major, 144 minor, 9 no impact stated) · typical time to resolve 5 h 7 min Jun 2026: 144 incidents (126 minor, 18 no impact stated) · typical time to resolve 5 h 56 min Jul 2026: 190 incidents (170 minor, 20 no impact stated) · typical time to resolve 4 h 31 min Aug 2026: 194 incidents (2 major, 172 minor, 20 no impact stated) · typical time to resolve 6 h 4 min Sep 2026: 177 incidents (161 minor, 16 no impact stated) · typical time to resolve 5 h 53 min Oct 2026: 189 incidents (176 minor, 13 no impact stated) · typical time to resolve 6 h Nov 2026: 65 incidents (63 minor, 2 no impact stated) · typical time to resolve 6 h Dec 2025Jan 2026Feb Mar Apr May Jun Jul Aug Sep Oct Nov

critical major minor no impact stated

Components affected

ComponentIncidents
SMS, Latin America49
SMS, Europe37
SMS, Middle East & Africa23
SMS, APAC21
MMS Long Code, North America18
SMS Short Code, North America15
Voice, Europe15
Voice, Latin America14

As SendGrid's status page reports its own incidents (scheduled maintenance left out), read every few hours since (evidence)

Incidents reported by SendGrid's subprocessorsCSV · Atom

161 reported incidents in the last 30 days, by 15 of the vendors SendGrid lists as subprocessors.

A subprocessor list names a company, not the service an incident touched. This does not show that SendGrid was involved.

DateCompanyIncidentImpactLasted
SnowflakeINC20000347 minor32 min
MintlifySome Mintlify Agent and Autopilot runs failing to start no impact stated33 min
SinchDelivery Issue SMS Verfication China - China Mobile minorongoing
SinchDelivery Issue - United States - AT&T minor3 h 22 min
OpenAIUnable to start new Workspace Agent runs criticalongoing
OpenAIElevated errors affecting logins, sign-ups, and ChatGPT features minor8 min
ClickHouseProvisioning and scaling operations may take longer in AWS ap-northeast-1 Tokyo minor7 h 38 min
SinchPost-Incident Notification - Customer Dashboard login no impact stated—
MintlifyInflated agent views in docs analytics no impact stated3 h 34 min
ElevenLabsScribe v3 Live outage major1 h 53 min
AnthropicElevated errors on Fable 52 and Mythos 52 no impact stated1 min
OpenAIIncorrect cost data in Costs API exports no impact stated2 h 20 min
DeepgramFlux TTS high latency and websocket disconnects major9 min
OpenAIElevated Errors On API minor42 min
PlainHelp Center errors no impact stated—
SinchService Degradation - Customer Dashboard minor1 h 12 min
OpenAIElevated ChatGPT Conversation Errors minor52 min
SinchDelivery Issue France - Bouygues Telecom minor13 h 58 min
PlainIntermittent API errors on write actions minor2 h 54 min
OpenAIElevated errors with image generation minor1 h 49 min
AnthropicDegraded performance for Claude Fable 5.1 minor26 min
SinchChatlayer - EU and US Regions Outage no impact stated—
SnowflakeINC20000337 minor2 h 5 min
SnowflakeINC20000336 minor3 h 20 min
ElevenLabsChoppy audio on Agent conversations using Eleven v4 Turbo minor—

And 136 more. All of them: CSV · Who is around them.

ChangesCSV · Atom

See the list as we read it on any date: Time machine

None since tracking began.

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