# Resend Resend declares [20 subprocessors](https://thirdpartyindex.com/vendors/resend#subprocessors) in [its subprocessor list](https://resend.com/legal/subprocessors), which we last checked on 2026-11-11 ([evidence](https://thirdpartyindex.com/evidence/226689)). They include [Amazon Web Services](https://thirdpartyindex.com/vendors/amazon-web-services), [Google Cloud](https://thirdpartyindex.com/vendors/google-cloud) and [Stripe](https://thirdpartyindex.com/vendors/stripe). No published changes since we first read it on 2026-09-21. [101 tracked vendors](https://thirdpartyindex.com/vendors/resend#used-by) name Resend as a subprocessor, including [OpenRouter](https://thirdpartyindex.com/vendors/openrouter), [turbopuffer](https://thirdpartyindex.com/vendors/turbopuffer) and [Mistral](https://thirdpartyindex.com/vendors/mistral). Resend (resend.com): subprocessors, data processing agreement, security documents and changes, as monitored by Third Party Index. - Page: https://thirdpartyindex.com/vendors/resend - 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 - Supply chain: relies on 20 tracked vendors directly, 156 within two hops, 504 within three; 101 tracked vendors rely on it directly, 319 within two hops, 2035 within three - Cite as: Resend, Third Party Index, https://thirdpartyindex.com/vendors/resend (data CC BY 4.0) ## Documents | Document | URL | Last verified | Last changed | |---|---|---|---| | Subprocessor list | https://resend.com/legal/subprocessors | 2026-11-11 | 2026-11-06 | | Data processing addendum | https://resend.com/legal/dpa | 2026-11-11 | 2026-09-27 | | Privacy policy | https://resend.com/legal/privacy-policy | 2026-11-11 | 2026-09-21 | | Terms | https://resend.com/legal/terms-of-service | 2026-11-11 | 2026-09-21 | | Security page | https://resend.com/security | 2026-11-11 | 2026-11-09 | | security.txt | https://resend.com/.well-known/security.txt | 2026-11-11 | 2026-09-21 | | Status page | https://resend-status.com/ | 2026-11-11 | 2026-11-06 | ## Subprocessors (20) As its own list states them. | Subprocessor | Purpose | Location | Listed since | |---|---|---|---| | [Amazon Web Services, Inc.](https://thirdpartyindex.com/vendors/amazon-web-services.md) | Third party hosting and sending provider | USA | 2026-09-22 | | [Anthropic, PBC](https://thirdpartyindex.com/vendors/anthropic.md) (AI model provider: Anthropic) | Artificial Intelligence | USA | 2026-09-22 | | [Attio Limited](https://thirdpartyindex.com/vendors/attio.md) | Customer relationship management | USA | 2026-09-22 | | [Cloudflare, Inc.](https://thirdpartyindex.com/vendors/cloudflare.md) | Web application firewall | USA | 2026-09-22 | | [Datadog, Inc.](https://thirdpartyindex.com/vendors/datadog.md) | Infrastructure monitoring | USA | 2026-09-22 | | [Elastic N.V.](https://thirdpartyindex.com/vendors/elasticsearch.md) | In-app search | USA | 2026-09-22 | | [Estuary Technologies, Inc.](https://thirdpartyindex.com/vendors/estuary.md) | Data pipeline | USA | 2026-09-22 | | [Google, Inc.](https://thirdpartyindex.com/vendors/google-cloud.md) | Email communications and analytics | USA | 2026-09-22 | | [Inngest Inc](https://thirdpartyindex.com/vendors/inngest.md) | Background jobs | USA | 2026-09-22 | | [Liveblocks, Inc.](https://thirdpartyindex.com/vendors/liveblocks.md) | In-app collaboration | USA | 2026-09-22 | | [Metabase, Inc.](https://thirdpartyindex.com/vendors/metabase.md) | Product analytics | USA | 2026-09-22 | | [PlanetScale, Inc.](https://thirdpartyindex.com/vendors/planetscale.md) | Database hosting | USA | 2026-09-22 | | [Retool, Inc.](https://thirdpartyindex.com/vendors/retool.md) | Internal admin tools | USA | 2026-09-22 | | [Snowflake Inc.](https://thirdpartyindex.com/vendors/snowflake.md) | Data warehouse | USA | 2026-09-22 | | [Stripe, Inc.](https://thirdpartyindex.com/vendors/stripe.md) | Payment processing | USA | 2026-09-22 | | [Supabase, Inc](https://thirdpartyindex.com/vendors/supabase.md) | Database and user authentication | USA | 2026-09-22 | | [Svix Inc.](https://thirdpartyindex.com/vendors/svix.md) | Webhook services | USA | 2026-09-22 | | [Tinybird Inc.](https://thirdpartyindex.com/vendors/tinybird.md) | Data analytics | USA | 2026-09-22 | | [TypeSafe AI, Inc.](https://thirdpartyindex.com/vendors/typesafe-ai.md) | Artificial Intelligence | USA | 2026-11-06 | | [Vercel Inc.](https://thirdpartyindex.com/vendors/vercel.md) | Server hosting | USA | 2026-09-22 | Read from ([evidence](https://thirdpartyindex.com/evidence/395)). CSV: https://thirdpartyindex.com/vendors/resend/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 Resend's homepage made 147 requests to 1 domain. 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. ### First party (1) - Resend: 147 requests to resend.com; Framer Motion, HSTS, Next.js 16.4.3, Next.js App Router, Open Graph, Priority Hints, Prism, RSS, React, Three.js 149, Turbopack, Vercel, Webpack, core-js 3.49.0, Datadog ## Subprocessor of (101) Tracked vendors whose own subprocessor lists name it, and what they say they use it for. - [Ahrefs](https://thirdpartyindex.com/vendors/ahrefs.md): Email management - [Aijency](https://thirdpartyindex.com/vendors/aijency.md): Sends email - [AiSDR](https://thirdpartyindex.com/vendors/aisdr.md): Customer Notification Delivery - [Apiway](https://thirdpartyindex.com/vendors/apiway.md): Transactional email - [Appwrite](https://thirdpartyindex.com/vendors/appwrite.md): Email & Communication - [Betterworks](https://thirdpartyindex.com/vendors/betterworks.md): Cloud-based platform used to provide transactional email services. - [Blacksmith](https://thirdpartyindex.com/vendors/blacksmith.md): Outbound email - [Bytebase](https://thirdpartyindex.com/vendors/bytebase.md): Email - [CloseCore](https://thirdpartyindex.com/vendors/closecore.md): Email Delivery and Receipt - [Context.dev](https://thirdpartyindex.com/vendors/context-dev.md): Sending transactional and marketing emails, including account notifications, billing emails, security alerts, and product updates. - [Conveo](https://thirdpartyindex.com/vendors/conveo.md): \*\*Processing Activity Description\*\* Transactional email sending on behalf of the Conveo platform. \*\*Data Residency / Processing Location\*\* United States \*(email… - [Crossdeck](https://thirdpartyindex.com/vendors/crossdeck.md): Transactional email delivery — welcome emails, password resets, account-management notifications, alert-rule notifications, sub-processor change announcements… - [DeepSource](https://thirdpartyindex.com/vendors/deepsource.md): Transactional email - [Detrics](https://thirdpartyindex.com/vendors/detrics.md): Transactional email delivery - [DiligenceVDR.ai](https://thirdpartyindex.com/vendors/diligencevdr-ai.md): Delivers invitation, notification, and security emails to account holders; Transactional email - [Donut](https://thirdpartyindex.com/vendors/donut.md): Sends transactional emails and monitoring email performance for some Donut applications. - [Dub](https://thirdpartyindex.com/vendors/dub.md): Email sending - [Dynamiq](https://thirdpartyindex.com/vendors/dynamiq.md): Email delivery for website forms and requested reports - [Endex](https://thirdpartyindex.com/vendors/endex.md): Marketing - [Enrichley](https://thirdpartyindex.com/vendors/enrichley.md): Transactional and notification email delivery - [Fibbler](https://thirdpartyindex.com/vendors/fibbler.md): Marketing - [Firmable](https://thirdpartyindex.com/vendors/firmable.md): Email management - [FluencyRank](https://thirdpartyindex.com/vendors/fluencyrank.md): Transactional and notification email - [Gravity](https://thirdpartyindex.com/vendors/gravity.md): Transactional email - [Guild.ai](https://thirdpartyindex.com/vendors/guild-ai.md) - [Helply](https://thirdpartyindex.com/vendors/helply.md): Marketing - [Inngest](https://thirdpartyindex.com/vendors/inngest.md) - [Interhubz](https://thirdpartyindex.com/vendors/interhubz.md): Transactional email - [IssueLinker](https://thirdpartyindex.com/vendors/issuelinker.md): Transactional email delivery for account and service notifications (US) - [iTmethods](https://thirdpartyindex.com/vendors/itmethods.md): Transactional and notification email delivery - [Kedify](https://thirdpartyindex.com/vendors/kedify.md): Email API for sending application and product emails. - [Kligrafia](https://thirdpartyindex.com/vendors/kligrafia.md): Envío de correos transaccionales - [Knock2](https://thirdpartyindex.com/vendors/knock2.md): Transactional and email communications - [Knoku](https://thirdpartyindex.com/vendors/knoku.md) - [Langbly](https://thirdpartyindex.com/vendors/langbly.md): Transactional email - [LeadMagic](https://thirdpartyindex.com/vendors/leadmagic.md): Transactional email delivery, notifications, and security alerts. - [LeaseAccounting.app](https://thirdpartyindex.com/vendors/leaseaccounting-app.md): Transactional email - [Liveblocks](https://thirdpartyindex.com/vendors/liveblocks.md) - [Logo.dev](https://thirdpartyindex.com/vendors/logo-dev.md): Email communications - [Luma AI](https://thirdpartyindex.com/vendors/luma-ai.md): Transactional email provider - [Mapsly](https://thirdpartyindex.com/vendors/mapsly.md): Delivery of marketing email messages; — - [Mintlify](https://thirdpartyindex.com/vendors/mintlify.md): Developer-first email API platform designed to send, manage, and track transactional and marketing emails - [Mistral](https://thirdpartyindex.com/vendors/mistral.md): Email communications; Products: All - [Modem](https://thirdpartyindex.com/vendors/modem.md): Email provider. - [Morphed](https://thirdpartyindex.com/vendors/morphed.md): Transactional email for approvals, alerts, sign-in, and service notifications - [Nango](https://thirdpartyindex.com/vendors/nango-dev.md): Marketing emails - [Navattic](https://thirdpartyindex.com/vendors/navattic.md): Transactional email - [NextFluent](https://thirdpartyindex.com/vendors/nextfluent.md): Transactional email delivery - [Openlayer](https://thirdpartyindex.com/vendors/openlayer.md) - [OpenPanel](https://thirdpartyindex.com/vendors/openpanel-dev.md): Transactional email delivery (account, billing, and product notifications) - [OpenRouter](https://thirdpartyindex.com/vendors/openrouter.md): Email Notifications - [Origami](https://thirdpartyindex.com/vendors/origami.md): Transactional email - [Outlit](https://thirdpartyindex.com/vendors/outlit.md): Transactional email delivery - [Paved](https://thirdpartyindex.com/vendors/paved.md): Customer Communications - [Pax](https://thirdpartyindex.com/vendors/pax.md): Envio de e-mail transacional (Opcional) - [PepoSmart](https://thirdpartyindex.com/vendors/peposmart.md): Email delivery - [Periskope](https://thirdpartyindex.com/vendors/periskope.md): Transactional email delivery. - [Plasmic](https://thirdpartyindex.com/vendors/plasmic.md) - [Ploxir](https://thirdpartyindex.com/vendors/ploxir.md): Transactional email — sign-in, verification, alerts - [Polar](https://thirdpartyindex.com/vendors/polar.md): Sending notifications emails to users and customers - [Proactivox](https://thirdpartyindex.com/vendors/proactivox.md): Transactional and alert email delivery (email notifications and system alerts) - [Productlane](https://thirdpartyindex.com/vendors/productlane.md): Transactional and lifecycle email delivery - [Raycast](https://thirdpartyindex.com/vendors/raycast.md): Email Communications (Newsletter, Community); Transfer Mechanism(s): SCCs and DPF - [Read AI](https://thirdpartyindex.com/vendors/read-ai.md): Email Infrastructure - [Relevance AI](https://thirdpartyindex.com/vendors/relevance-ai.md): Marketing; Outbound email services - [Sales Kong](https://thirdpartyindex.com/vendors/sales-kong.md): Transactional email - [Sazabi](https://thirdpartyindex.com/vendors/sazabi.md): Transactional email - [Sched](https://thirdpartyindex.com/vendors/sched.md): Transactional email (welcome and setup reminders) - [SemantiqWall](https://thirdpartyindex.com/vendors/semantiqwall.md): Transactional e-mail (watch-list confirmation and vendor alerts) - [Sherpa](https://thirdpartyindex.com/vendors/sherpa.md) - [SpatialChat](https://thirdpartyindex.com/vendors/spatialchat.md) - [Spellbook](https://thirdpartyindex.com/vendors/spellbook.md): Email Sending and Intake; Provides email sending and intake capabilities for ACM functionality when configured. - [Sprig](https://thirdpartyindex.com/vendors/sprig.md): Distribution of surveys through email.; Email provider for distributing surveys through email and is opt-in only - [Stilla](https://thirdpartyindex.com/vendors/stilla.md): Communication; Email communications - [StudyFetch](https://thirdpartyindex.com/vendors/studyfetch.md): Email sending - [swan](https://thirdpartyindex.com/vendors/swan.md): Transactional email delivery - [Synthflow](https://thirdpartyindex.com/vendors/synthflow.md): Transactional email delivery - [telli](https://thirdpartyindex.com/vendors/telli.md) - [TensorX](https://thirdpartyindex.com/vendors/tensorx.md): Transactional and marketing email delivery - [Third Space](https://thirdpartyindex.com/vendors/third-space.md): Transactional and service email delivery - [Tikk](https://thirdpartyindex.com/vendors/tikk.md): Transactional email delivery - [Town](https://thirdpartyindex.com/vendors/town.md): Transactional email delivery and inbound email processing. - [TranscriptFetch](https://thirdpartyindex.com/vendors/transcriptfetch.md): Transactional email - [Trigger.dev](https://thirdpartyindex.com/vendors/trigger-dev.md): Email service providers (Resend) - [Trustmary](https://thirdpartyindex.com/vendors/trustmary.md): Transactional messages - [turbopuffer](https://thirdpartyindex.com/vendors/turbopuffer.md): Customer notifications - [Turso](https://thirdpartyindex.com/vendors/turso-tech.md) - [Turtini](https://thirdpartyindex.com/vendors/turtini.md): outbound transactional and marketing email. - [Type](https://thirdpartyindex.com/vendors/type.md) - [Upstash](https://thirdpartyindex.com/vendors/upstash.md): Email Marketing - [Vasco](https://thirdpartyindex.com/vendors/vasco.md): Communication - [VESSL AI](https://thirdpartyindex.com/vendors/vessl-ai.md): Service-announcement (non-marketing) email delivery; storage of recipient email addresses - [Viktor](https://thirdpartyindex.com/vendors/viktor.md): Transactional email delivery - [Visitors](https://thirdpartyindex.com/vendors/visitors.md): Sends you emails about your account, billing, and product updates. They don't have access to your analytics data. - [Voxell](https://thirdpartyindex.com/vendors/voxell.md): Transactional email delivery (verification, receipts, notifications) - [VoxisLive](https://thirdpartyindex.com/vendors/voxislive.md) - [Whalesync](https://thirdpartyindex.com/vendors/whalesync.md): Transactional product emails - [Whatslink](https://thirdpartyindex.com/vendors/whatslink.md): transactional email delivery. - [Wolfia](https://thirdpartyindex.com/vendors/wolfia.md): Transactional email delivery - [ZenABM](https://thirdpartyindex.com/vendors/zenabm.md): Transactional email delivery (e.g. account, security, and product notifications) - [ZeroClick](https://thirdpartyindex.com/vendors/zeroclick.md): Transactional and verification email delivery ## Service status Incidents it reported on its own status page. - Last 90 days: 19 reported incidents (2 major or critical, 16 minor, 1 with no impact stated) - Typical time to resolve: 39 min - Status page last read: 2026-11-12 - 2026-10-26: Delayed email status updates (minor) - 2026-10-23: Intermittent latency spikes on our emails API (minor) - 2026-10-10: Delayed new team provisioning and contact webhook delivery (minor) - 2026-10-09: Delayed new team provisioning and contact webhook delivery (minor) - 2026-10-01: Resend API with elevated error rate (minor) - 2026-09-26: Delayed function processing (minor) - 2026-09-24: Intermittent errors on some dashboard and API requests (minor) - 2026-09-22: Failing to verify new domains (minor) ## Incidents reported by Resend's subprocessors Incidents reported in the last 30 days on their own status pages by 15 vendors Resend lists as subprocessors. A subprocessor list names a company, not the service an incident touched. - 2026-11-12: [Snowflake](https://thirdpartyindex.com/vendors/snowflake#status), which Resend lists as a subprocessor, reported INC20000347 (minor) - 2026-11-11: [Supabase](https://thirdpartyindex.com/vendors/supabase#status), which Resend lists as a subprocessor, reported Project Lifecycle Issues in ap-northeast-1 (minor) - 2026-11-10: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Resend lists as a subprocessor, reported Elevated errors on Fable 52 and Mythos 52 (no impact stated) - 2026-11-10: [Vercel](https://thirdpartyindex.com/vendors/vercel#status), which Resend lists as a subprocessor, reported Elevated Sandbox and Blob request latency and errors (minor) - 2026-11-09: [Retool](https://thirdpartyindex.com/vendors/retool#status), which Resend lists as a subprocessor, reported Some antivirus products are blocking retool.app (major) - 2026-11-09: [Inngest](https://thirdpartyindex.com/vendors/inngest#status), which Resend lists as a subprocessor, reported Investigating Degraded Performance (minor) - 2026-11-08: [Inngest](https://thirdpartyindex.com/vendors/inngest#status), which Resend lists as a subprocessor, reported Investigating System Degradation (no impact stated) - 2026-11-08: [Supabase](https://thirdpartyindex.com/vendors/supabase#status), which Resend lists as a subprocessor, reported Interruption in connections to Supavisor in eu-west-2 (no impact stated) - 2026-11-08: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Resend lists as a subprocessor, reported Degraded performance for Claude Fable 5.1 (minor) - 2026-11-07: [Snowflake](https://thirdpartyindex.com/vendors/snowflake#status), which Resend lists as a subprocessor, reported INC20000337 (minor) - 2026-11-06: [Supabase](https://thirdpartyindex.com/vendors/supabase#status), which Resend lists as a subprocessor, reported Increased Errors with Project Lifecycle Operations in US-West-2 (minor) - 2026-11-06: [Snowflake](https://thirdpartyindex.com/vendors/snowflake#status), which Resend lists as a subprocessor, reported INC20000336 (minor) - 2026-11-05: [Supabase](https://thirdpartyindex.com/vendors/supabase#status), which Resend lists as a subprocessor, reported Intermittent 502/503 errors for pg\_net calls to Edge Functions (minor) - 2026-11-05: [Vercel](https://thirdpartyindex.com/vendors/vercel#status), which Resend lists as a subprocessor, reported Build delays and degraded Vercel Dashboard performance (minor) - 2026-11-04: [Supabase](https://thirdpartyindex.com/vendors/supabase#status), which Resend lists as a subprocessor, reported Storage issues in us-east-1 and eu-central-1 (minor) - 2026-11-04: [Elasticsearch](https://thirdpartyindex.com/vendors/elasticsearch#status), which Resend lists as a subprocessor, reported mOLTP PrivateLink connectivity issue (major) - 2026-11-04: [Supabase](https://thirdpartyindex.com/vendors/supabase#status), which Resend lists as a subprocessor, reported Intermittent errors on Supavisor Shared Pooler in us-east-2 (minor) - 2026-11-03: [Inngest](https://thirdpartyindex.com/vendors/inngest#status), which Resend lists as a subprocessor, reported Degraded Function Execution (minor) - 2026-11-03: [Supabase](https://thirdpartyindex.com/vendors/supabase#status), which Resend lists as a subprocessor, reported Management API Postgres config updates overwriting previous updates (no impact stated) - 2026-11-02: [Supabase](https://thirdpartyindex.com/vendors/supabase#status), which Resend lists as a subprocessor, reported Storage uploads failing in us-east-1 (minor) - 2026-11-02: [Tinybird](https://thirdpartyindex.com/vendors/tinybird#status), which Resend lists as a subprocessor, reported High error rate in ondemand replicas (major) - 2026-11-01: [Stripe](https://thirdpartyindex.com/vendors/stripe#status), which Resend lists as a subprocessor, reported Elevated Instant Payouts failures (no impact stated) - 2026-10-31: [Supabase](https://thirdpartyindex.com/vendors/supabase#status), which Resend lists as a subprocessor, reported PG15 -> PG17 Upgrade Failures (no impact stated) - 2026-10-30: [Snowflake](https://thirdpartyindex.com/vendors/snowflake#status), which Resend lists as a subprocessor, reported INC20000321 (minor) - 2026-10-30: [TypeSafe AI](https://thirdpartyindex.com/vendors/typesafe-ai#status), which Resend lists as a subprocessor, reported System overload (minor) - 2026-10-30: [Supabase](https://thirdpartyindex.com/vendors/supabase#status), which Resend lists as a subprocessor, reported Logs degraded in multiple regions (no impact stated) - 2026-10-29: [Liveblocks](https://thirdpartyindex.com/vendors/liveblocks#status), which Resend lists as a subprocessor, reported Elevated errors connecting to rooms and accessing Storage (major) - 2026-10-29: [Liveblocks](https://thirdpartyindex.com/vendors/liveblocks#status), which Resend lists as a subprocessor, reported Some rooms failing to connect (minor) - 2026-10-29: [Snowflake](https://thirdpartyindex.com/vendors/snowflake#status), which Resend lists as a subprocessor, reported INC20000319 (minor) - 2026-10-28: [Stripe](https://thirdpartyindex.com/vendors/stripe#status), which Resend lists as a subprocessor, reported Elevated Issuing errors from 17:13 - 20:41 UTC (minor) - 2026-10-28: [Supabase](https://thirdpartyindex.com/vendors/supabase#status), which Resend lists as a subprocessor, reported Delayed Log Delivery from 14:10 - 15:30 UTC (minor) - 2026-10-28: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Resend lists as a subprocessor, reported Elevated errors affecting the Google Calendar connector (minor) - 2026-10-28: [Datadog](https://thirdpartyindex.com/vendors/datadog#status), which Resend lists as a subprocessor, reported Metrics query are disrupted (major) - 2026-10-28: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Resend lists as a subprocessor, reported Elevated errors affecting the Gmail connector (minor) - 2026-10-27: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Resend lists as a subprocessor, reported Elevated errors for Claude Sonnet 5.5 (major) - 2026-10-27: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Resend lists as a subprocessor, reported Elevated errors for Claude Sonnet 5.5 (major) - 2026-10-26: [PlanetScale](https://thirdpartyindex.com/vendors/planetscale#status), which Resend lists as a subprocessor, reported Problems with Vitess connectivity and credential changes (major) - 2026-10-26: [Datadog](https://thirdpartyindex.com/vendors/datadog#status), which Resend lists as a subprocessor, reported Elevated Error Rates for Workflow Automation, App Builder, Bits Code, Bits Agent Builder (major) - 2026-10-26: [Estuary](https://thirdpartyindex.com/vendors/estuary#status), which Resend lists as a subprocessor, reported Publication and reporting delays (minor) - 2026-10-25: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Resend lists as a subprocessor, reported Elevated errors for Claude Fable 5.1 (major) - 2026-10-25: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Resend lists as a subprocessor, reported Elevated errors for Claude Sonnet 5.5 and other models (major) - 2026-10-24: [Stripe](https://thirdpartyindex.com/vendors/stripe#status), which Resend lists as a subprocessor, reported Elevated Blik errors (no impact stated) - 2026-10-24: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Resend lists as a subprocessor, reported Elevated errors for Claude Fable 5 and Claude Fable 5.1 (major) - 2026-10-24: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Resend lists as a subprocessor, reported Elevated errors for Claude Opus 5.5 (major) - 2026-10-23: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Resend lists as a subprocessor, reported Elevated errors for Claude Fable 5.1, Sonnet 5.5, and Haiku 5.5 (critical) - 2026-10-23: [Vercel](https://thirdpartyindex.com/vendors/vercel#status), which Resend lists as a subprocessor, reported Delays in Logs and Observability data (minor) - 2026-10-23: [Elasticsearch](https://thirdpartyindex.com/vendors/elasticsearch#status), which Resend lists as a subprocessor, reported Elastic Support Portal is unavailable (major) - 2026-10-22: [Stripe](https://thirdpartyindex.com/vendors/stripe#status), which Resend lists as a subprocessor, reported Elevated Bancontact errors (no impact stated) - 2026-10-22: [Supabase](https://thirdpartyindex.com/vendors/supabase#status), which Resend lists as a subprocessor, reported Log Drain Issues (minor) - 2026-10-22: [Supabase](https://thirdpartyindex.com/vendors/supabase#status), which Resend lists as a subprocessor, reported Elevated Mgmt API Error Rates in Multiple Regions (minor) - 2026-10-22: [Stripe](https://thirdpartyindex.com/vendors/stripe#status), which Resend lists as a subprocessor, reported Elevated Bancontact errors (no impact stated) - 2026-10-22: [Supabase](https://thirdpartyindex.com/vendors/supabase#status), which Resend lists as a subprocessor, reported Elevated Mgmt API Error Rates in Multiple Regions (major) - 2026-10-22: [Elasticsearch](https://thirdpartyindex.com/vendors/elasticsearch#status), which Resend lists as a subprocessor, reported 403 error when trying to access Autoops in newly created serverless projects (major) - 2026-10-22: [Supabase](https://thirdpartyindex.com/vendors/supabase#status), which Resend lists as a subprocessor, reported Project lifecycle operation errors in the EU region (major) - 2026-10-22: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Resend lists as a subprocessor, reported Elevated errors affecting Connectors (minor) - 2026-10-21: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Resend lists as a subprocessor, reported Degraded performance for Claude Fable 5 (minor) - 2026-10-21: [Snowflake](https://thirdpartyindex.com/vendors/snowflake#status), which Resend lists as a subprocessor, reported INC20000301 (critical) - 2026-10-21: [Supabase](https://thirdpartyindex.com/vendors/supabase#status), which Resend lists as a subprocessor, reported Intermittent connection errors via the connection pooler in us-east-1 (no impact stated) - 2026-10-21: [Supabase](https://thirdpartyindex.com/vendors/supabase#status), which Resend lists as a subprocessor, reported Project lifecycle operations such as project creation, pausing, and restoration, in all regions (major) - 2026-10-21: [Snowflake](https://thirdpartyindex.com/vendors/snowflake#status), which Resend lists as a subprocessor, reported INC20000299 (minor) - 2026-10-20: [Supabase](https://thirdpartyindex.com/vendors/supabase#status), which Resend lists as a subprocessor, reported Projects stuck in restarting state (no impact stated) - 2026-10-20: [Elasticsearch](https://thirdpartyindex.com/vendors/elasticsearch#status), which Resend lists as a subprocessor, reported Elastic Cloud scaling issues in Azure (major) - 2026-10-20: [PlanetScale](https://thirdpartyindex.com/vendors/planetscale#status), which Resend lists as a subprocessor, reported Gap in dashboard metrics for AWS us-east-1 (no impact stated) - 2026-10-20: [Inngest](https://thirdpartyindex.com/vendors/inngest#status), which Resend lists as a subprocessor, reported Intermittent Event API Connectivity Issues (minor) - 2026-10-20: [Stripe](https://thirdpartyindex.com/vendors/stripe#status), which Resend lists as a subprocessor, reported Spike in cancellations and expired errors with PayByBank payments (no impact stated) - 2026-10-20: [Stripe](https://thirdpartyindex.com/vendors/stripe#status), which Resend lists as a subprocessor, reported Elevated Revolut Pay errors (no impact stated) - 2026-10-20: [Elasticsearch](https://thirdpartyindex.com/vendors/elasticsearch#status), which Resend lists as a subprocessor, reported Degraded availability for some Elastic Cloud Hosted and Serverless deployments in GCP europe-west2 (London) (major) - 2026-10-20: [Snowflake](https://thirdpartyindex.com/vendors/snowflake#status), which Resend lists as a subprocessor, reported INC20000294 (critical) - 2026-10-19: [Estuary](https://thirdpartyindex.com/vendors/estuary#status), which Resend lists as a subprocessor, reported Reporting Delays on AWS aws-us-east-1 Data Plane (minor) - 2026-10-19: [Supabase](https://thirdpartyindex.com/vendors/supabase#status), which Resend lists as a subprocessor, reported Support Form Errors (minor) - 2026-10-19: [Snowflake](https://thirdpartyindex.com/vendors/snowflake#status), which Resend lists as a subprocessor, reported INC20000290 (minor) - 2026-10-17: [Supabase](https://thirdpartyindex.com/vendors/supabase#status), which Resend lists as a subprocessor, reported Project creation errors ap-ne1 (minor) - 2026-10-16: [Svix](https://thirdpartyindex.com/vendors/svix#status), which Resend lists as a subprocessor, reported Elevated latency in EU region (minor) - 2026-10-16: [Snowflake](https://thirdpartyindex.com/vendors/snowflake#status), which Resend lists as a subprocessor, reported INC20000287 (critical) - 2026-10-15: [Stripe](https://thirdpartyindex.com/vendors/stripe#status), which Resend lists as a subprocessor, reported Elevated declines on Mastercard (no impact stated) - 2026-10-15: [Stripe](https://thirdpartyindex.com/vendors/stripe#status), which Resend lists as a subprocessor, reported Elevated declines on Visa (no impact stated) - 2026-10-15: [Estuary](https://thirdpartyindex.com/vendors/estuary#status), which Resend lists as a subprocessor, reported Reporting, inferred schemas, and GCP-us-central1 c2 outage (major) - 2026-10-15: [Stripe](https://thirdpartyindex.com/vendors/stripe#status), which Resend lists as a subprocessor, reported Elevated Amazon Pay errors (no impact stated) - 2026-10-14: [TypeSafe AI](https://thirdpartyindex.com/vendors/typesafe-ai#status), which Resend lists as a subprocessor, reported Elevated Latency (minor) - 2026-10-13: [Snowflake](https://thirdpartyindex.com/vendors/snowflake#status), which Resend lists as a subprocessor, reported INC20000277 (minor) The subprocessor list as we read it on any date: https://thirdpartyindex.com/labs/time-machine/resend ## Security contact From its security.txt (https://resend.com/.well-known/security.txt) ([evidence](https://thirdpartyindex.com/evidence/412)): - Contact: mailto:security@resend.com - Disclosure policy: https://resend.com/security - 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