Resend

resend.com

Resend declares 20 subprocessors in its subprocessor list, which we last checked on Nov 11, 2026 (evidence). They include Amazon Web Services, Google Cloud and Stripe. No published changes since we first read it on Sep 21, 2026. 101 tracked vendors name Resend as a subprocessor, including OpenRouter, turbopuffer and Mistral.

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

20 third parties.

NamePurposeLocationListed since
Amazon Web Services, Inc. Third party hosting and sending providerUSA
Anthropic, PBC AIArtificial IntelligenceUSA
Attio Limited Customer relationship managementUSA
Cloudflare, Inc. Web application firewallUSA
Datadog, Inc. Infrastructure monitoringUSA
Elastic N.V. In-app searchUSA
Estuary Technologies, Inc. Data pipelineUSA
Google, Inc. Email communications and analyticsUSA
Inngest Inc Background jobsUSA
Liveblocks, Inc. In-app collaborationUSA
Metabase, Inc. Product analyticsUSA
PlanetScale, Inc. Database hostingUSA
Retool, Inc. Internal admin toolsUSA
Snowflake Inc. Data warehouseUSA
Stripe, Inc. Payment processingUSA
Supabase, Inc Database and user authenticationUSA
Svix Inc. Webhook servicesUSA
Tinybird Inc. Data analyticsUSA
TypeSafe AI, Inc. Artificial IntelligenceUSA
Vercel Inc. Server hostingUSA

Web TechnologiesCSV · Atom

Resend's homepage made 147 requests to 1 domain.

First party 1 · 147 requests
Resend 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 100% of the page's requests 147

Subprocessor of (101)CSV · Atom

1–100 of 101
  • Ahrefs ahrefs.com Email management
  • Aijency aijency.ai Sends email
  • AiSDR aisdr.com Customer Notification Delivery
  • Apiway apiway.ai Transactional email
  • Appwrite appwrite.io Email & Communication
  • Betterworks betterworks.com Cloud-based platform used to provide transactional email services.
  • Blacksmith blacksmith.sh Outbound email
  • Bytebase bytebase.com Email
  • CloseCore closecore.com Email Delivery and Receipt
  • Context.dev context.dev Sending transactional and marketing emails, including account notifications, billing emails, security alerts, and product updates.
  • Conveo conveo.ai **Processing Activity Description** Transactional email sending on behalf of the Conveo platform. **Data Residency / Processing Location** United States *(email dispatch available from EU/Ireland, but account data remains US-only)* **Headquarters Location** San Francisco, United States
  • Crossdeck cross-deck.com Transactional email delivery — welcome emails, password resets, account-management notifications, alert-rule notifications, sub-processor change announcements.
  • DeepSource deepsource.com Transactional email
  • Detrics detrics.io Transactional email delivery
  • DiligenceVDR.ai diligencevdr.ai Delivers invitation, notification, and security emails to account holders; Transactional email
  • Donut donut.com Sends transactional emails and monitoring email performance for some Donut applications.
  • Dub dub.co Email sending
  • Dynamiq getdynamiq.ai Email delivery for website forms and requested reports
  • Endex endex.ai Marketing
  • Enrichley enrichley.com Transactional and notification email delivery
  • Fibbler fibbler.co Marketing
  • Firmable firmable.ai Email management
  • FluencyRank fluencyrank.com Transactional and notification email
  • Gravity trygravity.ai Transactional email
  • Guild.ai guild.ai
  • Helply helply.com Marketing
  • Inngest inngest.com
  • Interhubz interhubz.com Transactional email
  • IssueLinker issuelinker.com Transactional email delivery for account and service notifications (US)
  • iTmethods itmethods.com Transactional and notification email delivery
  • Kedify kedify.io Email API for sending application and product emails.
  • Kligrafia kligrafia.com Envío de correos transaccionales
  • Knock2 knock2.ai Transactional and email communications
  • Knoku knoku.com
  • Langbly langbly.com Transactional email
  • LeadMagic leadmagic.io Transactional email delivery, notifications, and security alerts.
  • LeaseAccounting.app leaseaccounting.app Transactional email
  • Liveblocks liveblocks.io
  • Logo.dev logo.dev Email communications
  • Luma AI lumalabs.ai Transactional email provider
  • Mapsly mapsly.com Delivery of marketing email messages; —
  • Mintlify mintlify.com Developer-first email API platform designed to send, manage, and track transactional and marketing emails
  • Mistral mistral.ai Email communications; Products: All
  • Modem modem.dev Email provider.
  • Morphed morphed.io Transactional email for approvals, alerts, sign-in, and service notifications
  • Nango nango.dev Marketing emails
  • Navattic navattic.com Transactional email
  • NextFluent nextfluent.com Transactional email delivery
  • Openlayer openlayer.com
  • OpenPanel openpanel.dev Transactional email delivery (account, billing, and product notifications)
  • OpenRouter openrouter.ai Email Notifications
  • Origami origami.chat Transactional email
  • Outlit outlit.ai Transactional email delivery
  • Paved paved.com Customer Communications
  • Pax pax.ai Envio de e-mail transacional (Opcional)
  • PepoSmart peposmart.com Email delivery
  • Periskope periskope.app Transactional email delivery.
  • Plasmic plasmic.app
  • Ploxir ploxir.com Transactional email — sign-in, verification, alerts
  • Polar polar.sh Sending notifications emails to users and customers
  • Proactivox proactivox.com Transactional and alert email delivery (email notifications and system alerts)
  • Productlane productlane.com Transactional and lifecycle email delivery
  • Raycast raycast.com Email Communications (Newsletter, Community); Transfer Mechanism(s): SCCs and DPF
  • Read AI read.ai Email Infrastructure
  • Relevance AI relevanceai.com Marketing; Outbound email services
  • Sales Kong saleskong.com Transactional email
  • Sazabi sazabi.com Transactional email
  • Sched getsched.dev Transactional email (welcome and setup reminders)
  • SemantiqWall semantiqwall.com Transactional e-mail (watch-list confirmation and vendor alerts)
  • Sherpa withsherpa.ai
  • SpatialChat spatial.chat
  • Spellbook spellbook.com Email Sending and Intake; Provides email sending and intake capabilities for ACM functionality when configured.
  • Sprig sprig.com Distribution of surveys through email.; Email provider for distributing surveys through email and is opt-in only
  • Stilla stilla.ai Communication; Email communications
  • StudyFetch studyfetch.com Email sending
  • swan getswan.com Transactional email delivery
  • Synthflow synthflow.ai Transactional email delivery
  • telli telli.com
  • TensorX tensorx.ai Transactional and marketing email delivery
  • Third Space safemerge.app Transactional and service email delivery
  • Tikk tikk.chat Transactional email delivery
  • Town town.com Transactional email delivery and inbound email processing.
  • TranscriptFetch transcriptfetch.com Transactional email
  • Trigger.dev trigger.dev Email service providers (Resend)
  • Trustmary trustmary.com Transactional messages
  • turbopuffer turbopuffer.com Customer notifications
  • Turso turso.tech
  • Turtini turtini.com outbound transactional and marketing email.
  • Type type.com
  • Upstash upstash.com Email Marketing
  • Vasco vasco.app Communication
  • VESSL AI vessl.ai Service-announcement (non-marketing) email delivery; storage of recipient email addresses
  • Viktor getviktor.com Transactional email delivery
  • Visitors visitors.now Sends you emails about your account, billing, and product updates. They don't have access to your analytics data.
  • Voxell voxell.ai Transactional email delivery (verification, receipts, notifications)
  • VoxisLive voxislive.com
  • Whalesync whalesync.com Transactional product emails
  • Whatslink whatslink.dev transactional email delivery.
  • Wolfia wolfia.com Transactional email delivery
  • ZenABM zenabm.com Transactional email delivery (e.g. account, security, and product notifications)
  • Show next 1

Service statusCSV · Atom

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

90 days agotoday

  • 19 incidents in 90 days
  • 2 major or critical
  • 39 min typical time to resolve
  • 1 h 19 min longest major
BeganIncidentImpactLasted
Delayed email status updatesminor22 min
Intermittent latency spikes on our emails APIminor49 min
Delayed new team provisioning and contact webhook deliveryminor33 min
Delayed new team provisioning and contact webhook deliveryminor22 min
Resend API with elevated error rateminor52 min
Delayed function processingminor2 h 46 min
Intermittent errors on some dashboard and API requestsminor51 min
Failing to verify new domainsminor18 min

Incidents per month

0 6 12 Jul 2026: 5 incidents (2 major, 2 minor, 1 no impact stated) · partial: our history begins Jul 20 · typical time to resolve 1 h 23 min Aug 2026: 9 incidents (2 major, 6 minor, 1 no impact stated) · typical time to resolve 38 min Sep 2026: 11 incidents (1 critical, 1 major, 8 minor, 1 no impact stated) · typical time to resolve 51 min Oct 2026: 5 incidents (5 minor) · typical time to resolve 33 min Nov 2026: 0 incidents Jul 2026Aug Sep Oct Nov

critical major minor no impact stated before or partly before our history

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

Incidents reported by Resend's subprocessorsCSV · Atom

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

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

DateCompanyIncidentImpactLasted
SnowflakeINC20000347 minor32 min
SupabaseProject Lifecycle Issues in ap-northeast-1 minor4 h 48 min
AnthropicElevated errors on Fable 52 and Mythos 52 no impact stated1 min
VercelElevated Sandbox and Blob request latency and errors minor1 min
RetoolSome antivirus products are blocking retool.app majorongoing
InngestInvestigating Degraded Performance minor3 min
InngestInvestigating System Degradation no impact stated1 min
SupabaseInterruption in connections to Supavisor in eu-west-2 no impact stated1 h 41 min
AnthropicDegraded performance for Claude Fable 5.1 minor26 min
SnowflakeINC20000337 minor2 h 5 min
SupabaseIncreased Errors with Project Lifecycle Operations in US-West-2 minor2 h 27 min
SnowflakeINC20000336 minor3 h 20 min
SupabaseIntermittent 502/503 errors for pg_net calls to Edge Functions minor42 min
VercelBuild delays and degraded Vercel Dashboard performance minor25 min
SupabaseStorage issues in us-east-1 and eu-central-1 minor16 h 18 min
ElasticsearchmOLTP PrivateLink connectivity issue major13 h 28 min
SupabaseIntermittent errors on Supavisor Shared Pooler in us-east-2 minor28 min
InngestDegraded Function Execution minor2 h 7 min
SupabaseManagement API Postgres config updates overwriting previous updates no impact stated2 h 8 min
SupabaseStorage uploads failing in us-east-1 minor1 h 13 min
TinybirdHigh error rate in ondemand replicas major1 h 8 min
StripeElevated Instant Payouts failures no impact stated2 h 5 min
SupabasePG15 -> PG17 Upgrade Failures no impact stated1 h 8 min
SnowflakeINC20000321 minor3 h 25 min
TypeSafe AISystem overload minor1 h 15 min

And 55 more. All of them: CSV · Who is around them.

ChangesCSV · Atom

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

None since tracking began.

Rating badge for Resend's site

Resend transparency rating

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