# Sendmarc Sendmarc declares [25 subprocessors](https://thirdpartyindex.com/vendors/sendmarc#subprocessors) in [its subprocessor list](https://trust.sendmarc.com/subprocessors), which we last checked on 2026-11-12 ([evidence](https://thirdpartyindex.com/evidence/51202)). They include [OpenAI](https://thirdpartyindex.com/vendors/openai), [Microsoft](https://thirdpartyindex.com/vendors/microsoft) and [Anthropic](https://thirdpartyindex.com/vendors/anthropic). No published changes since we first read it on 2026-09-22. [2 tracked vendors](https://thirdpartyindex.com/vendors/sendmarc#used-by) name Sendmarc as a subprocessor, including [SOPHOS](https://thirdpartyindex.com/vendors/sophos) and [Capsule8](https://thirdpartyindex.com/vendors/capsule8). Sendmarc (sendmarc.com): subprocessors, data processing agreement, security documents and changes, as monitored by Third Party Index. - Page: https://thirdpartyindex.com/vendors/sendmarc - Documents last verified: 2026-11-12 - Transparency rating: 89/100 (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 8/8; Privacy policy 6/6; security.txt 0/6 (not found); Security page 5/5; Status page 5/5; Vulnerability disclosure 0/5 (not found); Pages still reachable 8/8 - Supply chain: relies on 22 tracked vendors directly, 234 within two hops, 657 within three; 2 tracked vendors rely on it directly, 7 within two hops, 31 within three - Cite as: Sendmarc, Third Party Index, https://thirdpartyindex.com/vendors/sendmarc (data CC BY 4.0) ## Documents | Document | URL | Last verified | Last changed | |---|---|---|---| | Trust center | https://trust.sendmarc.com/ | 2026-11-11 | 2026-11-09 | | Subprocessor list | https://trust.sendmarc.com/subprocessors | 2026-11-12 | 2026-10-06 | | Data processing addendum | https://sendmarc.com/dpa/ | 2026-11-11 | 2026-10-01 | | Privacy policy | https://sendmarc.com/privacy-policy/ | 2026-11-11 | 2026-10-07 | | Terms | https://sendmarc.com/terms-of-service/ | 2026-11-11 | 2026-10-07 | | Security page | https://sendmarc.com/security/ | 2026-11-11 | 2026-09-22 | | Status page | https://status.sendmarc.com/ | 2026-11-11 | 2026-11-08 | ## Subprocessors (25) As its own list states them. | Subprocessor | Purpose | Location | Listed since | |---|---|---|---| | [Anthropic](https://thirdpartyindex.com/vendors/anthropic.md) (AI model provider: Anthropic) | Generative AI | Other | 2026-10-01 | | [Chargebee](https://thirdpartyindex.com/vendors/chargebee.md) | Billing, invoicing, and payment management; Subscription Management | US | 2026-10-01 | | [ClickUp](https://thirdpartyindex.com/vendors/clickuptm.md) | Collaboration; Project management | US | 2026-10-01 | | [Cloudflare](https://thirdpartyindex.com/vendors/cloudflare.md) | Cloud Security & DNS hosting; DNS hosting, cloud security, and network security | Global | 2026-10-01 | | [Datadog](https://thirdpartyindex.com/vendors/datadog.md) | Application Monitoring; Infrastructure and application monitoring | EU | 2026-10-01 | | [DigitalOcean](https://thirdpartyindex.com/vendors/digitalocean.md) | Cloud provider | US | 2026-10-01 | | [Docusign](https://thirdpartyindex.com/vendors/docusign.md) | Contract Management; Document signing | US | 2026-10-01 | | [Entri](https://thirdpartyindex.com/vendors/entri.md) | DNS Setup (customer optional); Optional integrations and tools | US | 2026-10-01 | | [FastMail](https://thirdpartyindex.com/vendors/fastmail.md) | Cloud provider | US | 2026-10-01 | | [Fathom](https://thirdpartyindex.com/vendors/fathom.md) | Collaboration; Meeting recording and transcription tool | US | 2026-10-01 | | [HubSpot](https://thirdpartyindex.com/vendors/hubspot.md) | CRM, marketing tools, knowledge base, and help desk; Sales, Marketing & Support | EU | 2026-10-01 | | Introw | PRM functionality; Sales | Belgium | 2026-10-01 | | [Microsoft Azure](https://thirdpartyindex.com/vendors/microsoft.md) | Application hosting, application security, and hosted identity management; Infrastructure Hosting | EU | 2026-10-01 | | [Microsoft Sharepoint](https://thirdpartyindex.com/vendors/microsoft.md) | Document Management; Internal documentation and file management | EU | 2026-10-01 | | [Miro](https://thirdpartyindex.com/vendors/miro.md) | Collaboration; Productivity tool | EU | 2026-10-01 | | [monday.com](https://thirdpartyindex.com/vendors/monday-com.md) | Collaboration; Project management | US | 2026-10-01 | | [Office 365](https://thirdpartyindex.com/vendors/microsoft.md) | Email and productivity tools; Productivity | EU | 2026-10-01 | | [OpenAI](https://thirdpartyindex.com/vendors/openai.md) (AI model provider: OpenAI) | Natural language processing and generative AI services; Productivity | US | 2026-10-01 | | [PostHog](https://thirdpartyindex.com/vendors/posthog.md) | Product, usage, and application analytics | EU | 2026-10-01 | | [Sentry](https://thirdpartyindex.com/vendors/sentry.md) | Application Monitoring; Application error monitoring | EU, US | 2026-10-01 | | [Slack](https://thirdpartyindex.com/vendors/slack.md) | Collaboration; Internal communication and product support | US | 2026-10-01 | | [Thinkific](https://thirdpartyindex.com/vendors/thinkific.md) | Customer support; Online Learning | Canada | 2026-10-01 | | [Twilio SendGrid](https://thirdpartyindex.com/vendors/sendgrid.md) | Email notifications; Transactional email | US | 2026-10-01 | | [Upflow](https://thirdpartyindex.com/vendors/upflow.md) | Finance and payments | US | 2026-10-01 | | [Xero](https://thirdpartyindex.com/vendors/xero.md) | Accounting software; Finance | US | 2026-10-01 | Read from ([evidence](https://thirdpartyindex.com/evidence/11776)). CSV: https://thirdpartyindex.com/vendors/sendmarc/subprocessors.csv AI model providers (or a cloud provider's AI model service) among these entries: 2. All vendors that list one: https://thirdpartyindex.com/ai ## Compliance As its trust center lists them. - Audited: SOC 2, ISO/IEC 27001 ([evidence](https://thirdpartyindex.com/evidence/83703)) - Claimed: SOC 2 Type II, GDPR ([evidence](https://thirdpartyindex.com/evidence/83703)) ## Web Technologies Sendmarc's homepage made 103 requests to 20 domains, 5 services controlled by another company, and 1 domain not identified. Loaded on 2026-11-04 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. 5 third parties by category: Advertising 2 (Google Cloud, Reddit, Inc.); Analytics 2 (LinkedIn, Meta); Marketing automation 1 (HubSpot). 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 (5) - Google Cloud: 13 requests to google.com, googletagmanager.com, doubleclick.net, ytimg.com; DoubleClick Floodlight, Google Analytics, Google Tag Manager - HubSpot: 12 requests to hubspot.com, hs-banner.com, hs-analytics.net, hs-scripts.com, hsadspixel.net, hsforms.com, hubapi.com, usemessages.com; HubSpot (its subprocessor list names it too) - LinkedIn: 4 requests to linkedin.com, licdn.com; Linkedin Insight Tag - Meta: 3 requests to facebook.net, facebook.com; Facebook Pixel 2.9.435 - Reddit, Inc.: 3 requests to reddit.com, redditstatic.com; Reddit Ads ### Unknown (1) Domains not identified yet: mpc2-prod-26-is5qnl632q-uc.a.run.app ### First party (1) - Sendmarc: 67 requests to sendmarc.com; Cloudflare, HSTS, HTTP/3, HubSpot Chat, Open Graph, Paraglide JS, PostHog, Priority Hints, core-js 3.32.2 3 tracked companies loaded by the homepage are not in Sendmarc's subprocessor list. A website can use a service without it processing customer data. ## Subprocessor of (2) Tracked vendors whose own subprocessor lists name it, and what they say they use it for. - [Capsule8](https://thirdpartyindex.com/vendors/capsule8.md): DMARC email authentication and domain protection - [SOPHOS](https://thirdpartyindex.com/vendors/sophos.md): DMARC email authentication and domain protection ## Incidents reported by Sendmarc's subprocessors Incidents reported in the last 30 days on their own status pages by 13 vendors Sendmarc lists as subprocessors. A subprocessor list names a company, not the service an incident touched. - 2026-11-12: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported MMS Delivery Failures from Twilio to GCI United States (minor) - 2026-11-12: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Failures from Twilio 10DLC to AT&T United States (minor) - 2026-11-12: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Failures from Twilio to Orange Sierra Leone (minor) - 2026-11-12: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Failures From Long Code Numbers to AT&T in the US (minor) - 2026-11-11: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Delays from Twilio to MTS Kazakhstan (minor) - 2026-11-11: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc 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 Sendmarc lists as a subprocessor, reported Unable to start new Workspace Agent runs (critical) - 2026-11-11: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc 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: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc 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 Sendmarc lists as a subprocessor, reported Elevated errors affecting logins, sign-ups, and ChatGPT features (minor) - 2026-11-11: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which Sendmarc lists as a subprocessor, reported US issues feed throwing intermittent errors (minor) - 2026-11-11: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported Voice Call Failures in JP1 (minor) - 2026-11-11: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Failures from Twilio to Turkcell Turkey (minor) - 2026-11-11: [Thinkific](https://thirdpartyindex.com/vendors/thinkific#status), which Sendmarc lists as a subprocessor, reported Student Dashboard Not Loading Enrolled Course Cards (no impact stated) - 2026-11-11: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which Sendmarc lists as a subprocessor, reported Account emails not being delivered (major) - 2026-11-11: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported Retroactive Incident Impacting Twilio Usage APIs (no impact stated) - 2026-11-10: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Sendmarc lists as a subprocessor, reported Elevated errors on Fable 52 and Mythos 52 (no impact stated) - 2026-11-10: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported Issue resolved (minor) - 2026-11-10: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which Sendmarc lists as a subprocessor, reported EU region replay ingestion latency (minor) - 2026-11-10: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Receipt Delays from Twilio Phone Numbers to Movistar Venezuela (minor) - 2026-11-10: [HubSpot](https://thirdpartyindex.com/vendors/hubspot#status), which Sendmarc lists as a subprocessor, reported Some HubSpot tools may be unavailable for some users (no impact stated) - 2026-11-10: [monday.com](https://thirdpartyindex.com/vendors/monday-com#status), which Sendmarc lists as a subprocessor, reported Degraded Performance - Inbox Loading Delays (minor) - 2026-11-10: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc 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 Sendmarc lists as a subprocessor, reported Incorrect cost data in Costs API exports (no impact stated) - 2026-11-10: [Xero](https://thirdpartyindex.com/vendors/xero#status), which Sendmarc lists as a subprocessor, reported Global: Xero Partner Hub - Some slowness or unable to access pages in Partner Hub (major) - 2026-11-09: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Sendmarc lists as a subprocessor, reported Elevated Errors On API (minor) - 2026-11-09: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported WhatsApp Business API Message Send Failures (minor) - 2026-11-09: [monday.com](https://thirdpartyindex.com/vendors/monday-com#status), which Sendmarc lists as a subprocessor, reported Investigating issues with My Work and Dashboards not loading (minor) - 2026-11-09: [Entri](https://thirdpartyindex.com/vendors/entri#status), which Sendmarc lists as a subprocessor, reported Outage on GoDaddy (minor) - 2026-11-09: [Xero](https://thirdpartyindex.com/vendors/xero#status), which Sendmarc lists as a subprocessor, reported UK: HMRC connected services - MTD IT and MTD VAT (minor) - 2026-11-09: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Sendmarc lists as a subprocessor, reported Elevated ChatGPT Conversation Errors (minor) - 2026-11-09: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported Voice Call Failures from a Subset of Twilio Phone Numbers to Chile (minor) - 2026-11-09: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc 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: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc 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: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio to Spusu United Kingdom (minor) - 2026-11-09: [monday.com](https://thirdpartyindex.com/vendors/monday-com#status), which Sendmarc lists as a subprocessor, reported Service disruption on US server (major) - 2026-11-09: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Receipt Delays from Twilio to Bouygues Telecom France (minor) - 2026-11-09: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Failures from Network Subscribers in Germany to a Subset of Twilio Long Codes (minor) - 2026-11-09: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Failures from Twilio to ETL Laos (minor) - 2026-11-08: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc 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 Sendmarc lists as a subprocessor, reported Elevated errors with image generation (minor) - 2026-11-08: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported Silent Network Authentication (SNA) Failure Increase and Gateway API (Lookup API) Failure Increase on EnStream in Canada (minor) - 2026-11-08: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Sendmarc lists as a subprocessor, reported Degraded performance for Claude Fable 5.1 (minor) - 2026-11-07: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Receipt Delays from Twilio to Globe Philippines (minor) - 2026-11-07: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc 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: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Delays from Twilio to Multiple Networks in India (minor) - 2026-11-07: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Receipt Delays from a Subset of Twilio Short Codes to Multiple Networks in New Zealand (minor) - 2026-11-06: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc 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 Sendmarc lists as a subprocessor, reported Elevated error rates with some U.S. business Mastercards (no impact stated) - 2026-11-06: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Delays from Twilio to Claro Dominican Republic (minor) - 2026-11-06: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported TwiML ConversationRelay Documents Page Error (minor) - 2026-11-06: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported Voice Call Failures from a Subset of Twilio Phone Numbers to Chile (minor) - 2026-11-06: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported Voice Call Audio Quality Degradation from a Subset of Twilio Mobile Numbers to Claro Colombia (minor) - 2026-11-06: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported Notification Logs Unavailable in Console (minor) - 2026-11-06: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Delays Between Twilio and T-Mobile in Czech Republic (minor) - 2026-11-05: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc 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: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Receipt Delays from a Subset of Twilio Short Codes to Liberty Puerto Rico (minor) - 2026-11-05: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Failures from Twilio Phone Numbers to Lycamobile France (minor) - 2026-11-05: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc 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 Sendmarc lists as a subprocessor, reported ChatGPT Work and Dots Errors (minor) - 2026-11-05: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc 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 Sendmarc lists as a subprocessor, reported Elevated error rates across paid ChatGPT plans (minor) - 2026-11-04: [monday.com](https://thirdpartyindex.com/vendors/monday-com#status), which Sendmarc lists as a subprocessor, reported Intermittent System Availability (major) - 2026-11-04: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported Search Delays on Enterprise Knowledge (minor) - 2026-11-04: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported Delayed Email Validation History (minor) - 2026-11-04: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which Sendmarc lists as a subprocessor, reported Ingestion delays across all data (minor) - 2026-11-04: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Delays from Twilio to Claro Brazil (minor) - 2026-11-04: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Delays from Twilio to Algar Telecom Brazil (minor) - 2026-11-04: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported MMS Delivery Failures from a Subset of Twilio Long Codes to GCI United States (minor) - 2026-11-03: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc 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: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc 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: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which Sendmarc lists as a subprocessor, reported Delays in spans and transactions processing (major) - 2026-11-03: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which Sendmarc lists as a subprocessor, reported Sentry.io dashboard and API is down (critical) - 2026-11-03: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc 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: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc 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: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc 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: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Delays from Twilio to Entel Bolivia (minor) - 2026-11-03: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Delays from Twilio to Lycamobile United Kingdom (minor) - 2026-11-03: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc 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: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported RateQueue Host Down Did Not Recover (minor) - 2026-11-03: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported Media Streams Audio Delays (minor) - 2026-11-03: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Sendmarc lists as a subprocessor, reported File upload errors in ChatGPT (minor) - 2026-11-02: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio to Claro Puerto Rico (minor) - 2026-11-02: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Receipt Delays from a Subset of Twilio Short Codes to Liberty Puerto Rico (minor) - 2026-11-02: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported Voice Call One-Way Audio from Brazil to a Subset of Twilio Numbers (no impact stated) - 2026-11-02: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported Some Customers May Have Incorrect Balances Reflected on Their Account (minor) - 2026-11-02: [Entri](https://thirdpartyindex.com/vendors/entri#status), which Sendmarc lists as a subprocessor, reported Errors on GoDaddy domain availability checks (minor) - 2026-11-02: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio Alphanumeric Sender Type to T-Mobile Austria (minor) - 2026-11-02: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which Sendmarc lists as a subprocessor, reported Sentry dashboard is down (critical) - 2026-11-02: [HubSpot](https://thirdpartyindex.com/vendors/hubspot#status), which Sendmarc lists as a subprocessor, reported HubSpot is experiencing issues (no impact stated) - 2026-11-02: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc 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: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported Silent Network Authentication (SNA) Missing Redirects on XL Axiata in Indonesia (minor) - 2026-11-02: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc 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: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Short Codes to Google Voice United States (minor) - 2026-11-01: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Failures from Twilio to KDDI Japan (minor) - 2026-10-30: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Sendmarc lists as a subprocessor, reported Elevated errors with search in Dots, ChatGPT Work, and certain ChatGPT thinking experiences (minor) - 2026-10-30: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc 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: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc 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 Sendmarc lists as a subprocessor, reported Elevated errors for GPT Image 2 API image edits (minor) - 2026-10-30: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported Automated Alert: Minimal Customer Impact (no impact stated) - 2026-10-30: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS and MMS Delivery Delays from Twilio to Altice United States (minor) - 2026-10-29: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc 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: [Thinkific](https://thirdpartyindex.com/vendors/thinkific#status), which Sendmarc lists as a subprocessor, reported Learner Hub Is Down - We've Identified the Problem (major) - 2026-10-29: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Phone Numbers to Vivo Brazil (minor) - 2026-10-29: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported Gateway API (Lookup API) Failure Increase on Verizon in United States (minor) - 2026-10-29: [Fastmail](https://thirdpartyindex.com/vendors/fastmail#status), which Sendmarc lists as a subprocessor, reported Support emails not generating tickets (no impact stated) - 2026-10-29: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported Flex Agent Copilot Note Generation Issues (minor) - 2026-10-29: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported Voice Call Failures from a Subset of Twilio Phone Numbers to T-Mobile United States (minor) - 2026-10-29: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc 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: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Long Codes to Orange Belgium (minor) - 2026-10-28: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Sendmarc lists as a subprocessor, reported Elevated errors affecting the Google Calendar connector (minor) - 2026-10-28: [Datadog](https://thirdpartyindex.com/vendors/datadog#status), which Sendmarc lists as a subprocessor, reported Metrics query are disrupted (major) - 2026-10-28: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc 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: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported Possible 503 Errors for Messaging Traffic in the Australia Region (minor) - 2026-10-28: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported Silent Network Authentication (SNA) Failure Increase on Indosat in Indonesia (minor) - 2026-10-28: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio to MTC Namibia (minor) - 2026-10-28: [Xero](https://thirdpartyindex.com/vendors/xero#status), which Sendmarc lists as a subprocessor, reported Global: Xero - customers are experiencing issues across Xero (critical) - 2026-10-28: [ChargeBee](https://thirdpartyindex.com/vendors/chargebee#status), which Sendmarc lists as a subprocessor, reported API Service Degradation - EU Region (major) - 2026-10-28: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported Twilio Console Errors (no impact stated) - 2026-10-28: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Sendmarc lists as a subprocessor, reported Elevated errors affecting the Gmail connector (minor) - 2026-10-28: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported Elevated 500 Errors Affecting Programmable Voice API (no impact stated) - 2026-10-27: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Delays from Twilio to Surf Telecom Brazil (minor) - 2026-10-27: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc 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: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported Voice Call Failures From a Subset of Twilio Phone Numbers to Argentina (minor) - 2026-10-27: [DigitalOcean](https://thirdpartyindex.com/vendors/digitalocean#status), which Sendmarc lists as a subprocessor, reported Kubernetes Cluster Management Operations (major) - 2026-10-27: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported Elevated 500 Errors Affecting Programmable Messaging API (no impact stated) - 2026-10-27: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported MMS Delivery Delays from a Subset of Twilio Long Codes to C-Spire United States (minor) - 2026-10-27: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported Automated Alert: Minimal Customer Impact (no impact stated) - 2026-10-27: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported Voice Call Failures from Twilio Mobile Numbers to Israel (minor) - 2026-10-27: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported Gateway API (Lookup API) Failure Increase on Three in United Kingdom (minor) - 2026-10-27: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Sendmarc lists as a subprocessor, reported Elevated errors for Claude Sonnet 5.5 (major) - 2026-10-27: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Sendmarc lists as a subprocessor, reported 6.1 Sol Degraded Model Performance (minor) - 2026-10-27: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported MMS Delivery Delays from a Subset of Twilio Long Codes to AT&T United States (minor) - 2026-10-27: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio to Turkcell Turkey (minor) - 2026-10-27: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Sendmarc lists as a subprocessor, reported Elevated errors for Claude Sonnet 5.5 (major) - 2026-10-27: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported Voice Call Failures From Twilio Phone Numbers to Germany (minor) - 2026-10-27: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc 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 Sendmarc 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: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc 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: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc 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: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Failures From a Subset of Twilio Phone Numbers to Multiple Networks in Brazil (minor) - 2026-10-26: [Xero](https://thirdpartyindex.com/vendors/xero#status), which Sendmarc lists as a subprocessor, reported Global: Xero - some customers may be experiencing intermittent errors in Xero. (minor) - 2026-10-26: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc 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: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc 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 Sendmarc lists as a subprocessor, reported Elevated error rates for Ads POST requests (minor) - 2026-10-26: [Datadog](https://thirdpartyindex.com/vendors/datadog#status), which Sendmarc lists as a subprocessor, reported Elevated Error Rates for Workflow Automation, App Builder, Bits Code, Bits Agent Builder (major) - 2026-10-26: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported WhatsApp Sandbox Sending Configuration Issues (minor) - 2026-10-26: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio to Mauritel Mauritania (minor) - 2026-10-26: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported Voice Call Failures from Twilio Phone Numbers to Digi Mobil Romania (minor) - 2026-10-26: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Delays from Twilio to Cellcom Israel (minor) - 2026-10-25: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Delays from Twilio to Telcel Mexico (minor) - 2026-10-25: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio to Claro Brazil and Puerto Rico (minor) - 2026-10-25: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Delays from Twilio to Telia Sweden (minor) - 2026-10-25: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Delays from Twilio to Airtel Nigeria (minor) - 2026-10-25: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Sendmarc lists as a subprocessor, reported Elevated errors for Claude Fable 5.1 (major) - 2026-10-25: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Sendmarc lists as a subprocessor, reported Elevated errors for Claude Sonnet 5.5 and other models (major) - 2026-10-24: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported Azure Marketplace SendGrid Customers Experiencing Account Management Issues (minor) - 2026-10-24: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported Silent Network Authentication (SNA) Missing Redirects and Gateway API (Lookup API) Failure Increase in Netherlands (minor) - 2026-10-24: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported MMS Delivery Delays from a Subset of Twilio Long Codes to C-Spire United States (minor) - 2026-10-24: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported Silent Network Authentication (SNA) Missing Redirects on Vodafone in United Kingdom (minor) - 2026-10-24: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc 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: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Delays from Twilio to WOM Colombia (minor) - 2026-10-24: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Sendmarc lists as a subprocessor, reported Elevated errors for Claude Fable 5 and Claude Fable 5.1 (major) - 2026-10-24: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Delays from Twilio to Claro Costa Rica (minor) - 2026-10-24: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Sendmarc lists as a subprocessor, reported Elevated errors for Claude Opus 5.5 (major) - 2026-10-23: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Sendmarc lists as a subprocessor, reported Elevated errors for Claude Fable 5.1, Sonnet 5.5, and Haiku 5.5 (critical) - 2026-10-23: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Sendmarc lists as a subprocessor, reported Degraded experience with ChatGPT app connections using CIMD (minor) - 2026-10-23: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc 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 Sendmarc lists as a subprocessor, reported Help Center Chat Support Degraded (no impact stated) - 2026-10-23: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc 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: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Failures from Twilio to Multiple Networks in South Africa (minor) - 2026-10-23: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Phone Numbers to Telefonica Nicaragua (minor) - 2026-10-23: [HubSpot](https://thirdpartyindex.com/vendors/hubspot#status), which Sendmarc lists as a subprocessor, reported Some HubSpot tools may be unavailable for some users (no impact stated) - 2026-10-23: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported Voice Call Post Dial Delay from Twilio Phone Numbers to Chile (minor) - 2026-10-23: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc 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: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Short Codes to Liberty Mobile Puerto Rico (minor) - 2026-10-23: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Receipt Delays from Twilio to Multiple Networks in United States and Canada (minor) - 2026-10-23: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio to Telecall Brazil (minor) - 2026-10-23: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Short Codes to Claro Colombia (minor) - 2026-10-23: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc 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 Sendmarc lists as a subprocessor, reported Delays in customer support responses (no impact stated) - 2026-10-23: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Delays between a Subset of Twilio Phone Numbers and Multiple Networks in Brazil (minor) - 2026-10-23: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported MMS Delivery Delays from a Subset of Twilio Long Codes to Viaero United States (minor) - 2026-10-22: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Sendmarc lists as a subprocessor, reported New Ad Accounts failing to provision admins (minor) - 2026-10-22: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Sendmarc lists as a subprocessor, reported Degraded Performance of Dots on Enterprise (minor) - 2026-10-22: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported Issue with 500 Errors on Porting Request Submissions (minor) - 2026-10-22: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported Issue with Realtime Transcriptions and Deepgram (no impact stated) - 2026-10-22: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported Intelligent Alerts Delivery Issues (minor) - 2026-10-22: [ChargeBee](https://thirdpartyindex.com/vendors/chargebee#status), which Sendmarc lists as a subprocessor, reported Subject: Security Notice: No Impact from PHPshell Zero-Day Vulnerability (no impact stated) - 2026-10-22: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported Hosted Number Verification Calls not Reaching Customers (minor) - 2026-10-22: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio to Malitel Mali (minor) - 2026-10-22: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported RCS Inbound Events Delayed (minor) - 2026-10-22: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Sendmarc lists as a subprocessor, reported Elevated errors affecting Connectors (minor) - 2026-10-22: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Sendmarc lists as a subprocessor, reported Elevated ChatGPT conversation and Responses API errors (minor) - 2026-10-22: [HubSpot](https://thirdpartyindex.com/vendors/hubspot#status), which Sendmarc lists as a subprocessor, reported Update on PHP security vulnerability (no impact stated) - 2026-10-22: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported Billing Delays (no impact stated) - 2026-10-22: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc 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 Sendmarc lists as a subprocessor, reported Authentication errors for some users (major) - 2026-10-21: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Sendmarc lists as a subprocessor, reported Degraded performance for Claude Fable 5 (minor) - 2026-10-21: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which Sendmarc lists as a subprocessor, reported Increased latency processing integration webhooks (minor) - 2026-10-21: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported Silent Network Authentication (SNA) Missing Redirects and Gateway API (Lookup API) Failure Increase in Netherlands (minor) - 2026-10-21: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc 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: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Failures from a Subset of Twilio Alphanumeric Sender Type to Jazz Pakistan (minor) - 2026-10-21: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio Short Codes to Multiple Networks in India (minor) - 2026-10-21: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc 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 Sendmarc lists as a subprocessor, reported Elevated error rates for gpt-5.6-luna API requests (minor) - 2026-10-21: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported Customer's Unable to Create New Requests for Hosting and Porting (minor) - 2026-10-21: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Sendmarc lists as a subprocessor, reported Elevated FedRAMP API error rates for Astra and Sol (minor) - 2026-10-21: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Delays from Twilio to Orange France (minor) - 2026-10-21: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which Sendmarc lists as a subprocessor, reported Sentry.io not loading in US region (critical) - 2026-10-21: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc 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 Sendmarc lists as a subprocessor, reported Degraded performance in ChatGPT, Codex, and APIs (minor) - 2026-10-21: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Delays from Twilio to T-Mobile Czech Republic (minor) - 2026-10-20: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Failures from a Subset of Twilio Alphanumeric Sender IDs to United Arab Emirates (minor) - 2026-10-20: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which Sendmarc lists as a subprocessor, reported Sentry.io not loading (major) - 2026-10-20: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Short Codes to Telnyx United States (minor) - 2026-10-20: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported Issue with Flex Agent Copilot Auto Wrap-up Notes (minor) - 2026-10-20: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Phone Numbers to Telstra Australia (minor) - 2026-10-20: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported WhatsApp Embedded Signup Configuration Failures (minor) - 2026-10-20: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported Voice Call Failures from Twilio Phone Numbers to Digi.Mobil Romania (minor) - 2026-10-20: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported Silent Network Authentication (SNA) Failure Increase on AT&T in United States (minor) - 2026-10-20: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported Voice Call Failures from Network Subscribers to a Subset of Twilio Thailand Phone Numbers (minor) - 2026-10-19: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which Sendmarc lists as a subprocessor, reported Sentry is down (critical) - 2026-10-19: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported MMS Delivery Delays from a Subset of Twilio Long Codes to AT&T United States (minor) - 2026-10-19: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported MMS Delivery Delays from a Subset of Twilio Long Codes to Telus Canada (minor) - 2026-10-19: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported RCS Delivery Receipt Delays for AT&T (minor) - 2026-10-19: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc 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: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc 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 Sendmarc lists as a subprocessor, reported File Download errors (minor) - 2026-10-19: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc 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: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported Voice Call Failures from a Subset of Callers to Twilio Denmark Phone Numbers (minor) - 2026-10-19: [monday.com](https://thirdpartyindex.com/vendors/monday-com#status), which Sendmarc lists as a subprocessor, reported Delayed automations in EU (major) - 2026-10-19: [monday.com](https://thirdpartyindex.com/vendors/monday-com#status), which Sendmarc lists as a subprocessor, reported Investigating issues with slow loading of the monday platform (minor) - 2026-10-19: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Receipt Delays from Twilio to Surf Telecom Brazil (minor) - 2026-10-18: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Short Codes to Brisanet Brazil (minor) - 2026-10-17: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Failures from Twilio Alphanumeric Sender Type to Multiple Networks in Turkey (minor) - 2026-10-17: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported 5300 Errors on Singapore Client Edge (minor) - 2026-10-16: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported On Call Engineers are Investigating Errors with the Virtual Phone in Legacy Console (no impact stated) - 2026-10-16: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc 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: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported Delayed A2P Campaign Approvals (minor) - 2026-10-16: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc 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: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Receipt Delays from a Subset of Twilio Short Codes to Verizon United States (minor) - 2026-10-16: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Short Codes to Brisanet Brazil (minor) - 2026-10-16: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported Voice Call Post Dial Delay from a Subset of Twilio Phone Numbers to Brazil (minor) - 2026-10-16: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Receipt Delays from Twilio to MTN Nigeria (minor) - 2026-10-16: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc 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) - 2026-10-15: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc 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: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported Voice Call Failures from Austria to a Subset of Twilio Austria Phone Numbers (minor) - 2026-10-15: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported Email suppression issues (no impact stated) - 2026-10-15: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Sendmarc lists as a subprocessor, reported Widespread feature degradation (major) - 2026-10-15: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Receipt Delays from a Subset of Twilio Short Codes to Brisanet Brazil (minor) - 2026-10-15: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Failures from France to a Subset of Twilio Short Codes (minor) - 2026-10-15: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Failures from Network Subscribers to Twilio Colombia Shortcode Numbers (minor) - 2026-10-15: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported Silent Network Authentication (SNA) Failure Increase in Philippines (minor) - 2026-10-15: [Xero](https://thirdpartyindex.com/vendors/xero#status), which Sendmarc lists as a subprocessor, reported Global: Subscriptions - some customers are unable to purchase and management subscriptions (minor) - 2026-10-15: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Delays From a Subset of Twilio Phone Numbers to Surf Telecom Brazil (minor) - 2026-10-14: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Failures from Twilio Alphanumeric Sender IDs and Long Codes to Evatis Djibouti (minor) - 2026-10-14: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc 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 Sendmarc lists as a subprocessor, reported Delayed Costs data in the Compliance API (minor) - 2026-10-14: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Receipt Delays from a Subset of Twilio to Altan Redes Mexico (minor) - 2026-10-14: [monday.com](https://thirdpartyindex.com/vendors/monday-com#status), which Sendmarc lists as a subprocessor, reported Identified issues with AI operations in the monday platform (Service Degradation for some models) (minor) - 2026-10-14: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported Voice Call Failures and Post Dial Delay from Twilio Phone Numbers to Israel (minor) - 2026-10-14: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported Automated Alert: No Customer Impact (no impact stated) - 2026-10-14: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Sendmarc 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 Sendmarc lists as a subprocessor, reported Degraded performance in Codex and ChatGPT Work (minor) - 2026-10-14: [Fastmail](https://thirdpartyindex.com/vendors/fastmail#status), which Sendmarc lists as a subprocessor, reported Support web form not accessible (no impact stated) - 2026-10-14: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which Sendmarc lists as a subprocessor, reported Ingestion Halted for EAP data in EU (major) - 2026-10-14: [Xero](https://thirdpartyindex.com/vendors/xero#status), which Sendmarc lists as a subprocessor, reported Global: Xero - Some customers may be experiencing some errors in product and inability to view invoice PDFs. (major) - 2026-10-14: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Delays and Failures between Twilio and Multiple Networks in Brazil and Italy (minor) - 2026-10-13: [Entri](https://thirdpartyindex.com/vendors/entri#status), which Sendmarc lists as a subprocessor, reported Degraded performance in IONOS Entri Sell purchase flow and asynchronous DNS setup (minor) - 2026-10-13: [DigitalOcean](https://thirdpartyindex.com/vendors/digitalocean#status), which Sendmarc lists as a subprocessor, reported App Platform Deployments (no impact stated) - 2026-10-13: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc 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: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported Voice Call Audio Quality Degradation between Twilio Phone Numbers and Multiple Networks in Brazil (minor) - 2026-10-13: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio to VIVACOM Bulgaria (minor) - 2026-10-13: [SendGrid](https://thirdpartyindex.com/vendors/sendgrid#status), which Sendmarc lists as a subprocessor, reported Voice Call Failures between a Subset of Twilio South Africa Phone Numbers and Multiple Networks in South Africa (minor) - 2026-10-13: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Sendmarc lists as a subprocessor, reported Degraded performance in GPT-6.1 Sol Codex and Work mode (minor) The subprocessor list as we read it on any date: https://thirdpartyindex.com/labs/time-machine/sendmarc --- 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