Svix

svix.com

Svix declares 12 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. 35 tracked vendors name Svix as a subprocessor, including Twilio, SendGrid and Segment.

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

12 third parties.

NamePurposeLocationListed since
Amazon Web Services, Inc.
Svix uses AWS as its cloud service provider (CSP), that provides compute, power, storage, and other application services over the Internet. Customer Content is stored and processed only in the AWS region selected by the customer.; Svix uses AWS as its cloud service provider (CSP), which also hosts Account Data.
Auth0, Inc. Svix uses Auth0 to manage authentication and user management.
Cloudflare, Inc.
Unused by default. Custom URLs are powered by Cloudflare, so customers who enable that feature have Customer Content pass through Cloudflare's network in transit. Customers who have not enabled custom URLs have no Customer Content processed by Cloudflare.
Datadog, Inc.
Svix uses Datadog for logging and monitoring of production systems. Datadog does not have access to any Svix customer data. Log information may only include internal Svix identifiers.
Functional Software, Inc. d/b/a Sentry Svix uses Sentry for application error and performance monitoring. Sentry does not have access to any Svix customer data.
Github, Inc. Svix uses this issue-tracking software to manage support requests from customers.
Google LLC (G Suite) Svix uses this office suite to (1) communicate with customers in some cases, and (2) manage and organize customer requests.
Mailgun Technologies, Inc.
Svix uses this as a primary email relay to send emails to Svix customers or customer's users as part of the Svix services (including, for example, monitor alerts, reports, and account modification). Data may contain customer name, email address, and the contents of other operational email.
Not Just Tickets Ltd d/b/a Plain Svix uses Plain for customer support. Plain may have access to customer name, email address, and support communication contents.
PostHog, Inc. Svix uses PostHog as a tool for managing website and product analytics, and other tools to help Svix better understand usage behavior and develop a better product.
Slack Technologies, Inc. Svix uses this internal-collaboration tool and communication platform to manage support requests from customers.
Stripe, Inc.
Svix uses this payment processor to manage payments and invoicing. Stripe holds billing and usage information, including customer email address, card information, and itemized payment information.

Web TechnologiesCSV · Atom

Svix's homepage made 162 requests to 10 domains, and 4 services controlled by another company.

Analytics (1): Google CloudLive chat (1): reviewed: IntercomCookie compliance (1): CookieHubOther (1): usually detected as Customer data platform: Segment

4 third parties by category: Analytics 1Live chat 1Cookie compliance 1Other 1

Third parties 4 · 23 requests
Segment segment.com, segment.io 4% of the page's requests 7
Google Cloudsubprocessor Google Analytics Google Tag Manager 4% of the page's requests 6
Intercom intercom.io, intercomcdn.com 4% of the page's requests 6
CookieHub CookieHub 2% of the page's requests 4
First party 1 · 139 requests
Svix Font Awesome GSAP HSTS Intercom Next.js 16.3.6 Open Graph Priority Hints React Turbopack Vercel Webpack 86% of the page's requests 139

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

Subprocessor of (35)CSV · Atom

35 companies
  • Ada Support ada.cx Webhooks functionality and infrastructure
  • Ampersand ampersand.ai Provides webhook delivery infrastructure used to transmit integration events between Ampersand and customer systems.; Webhook delivery
  • Attention attention.com
  • Badge trybadge.com Webhook Managment
  • Bird bird.com Webhook Delivery Infrastructure Provider
  • Clerk clerk.com Webhook delivery
  • Conveyor conveyor.com Optional subprocessor. Svix provides webhooks-as-a-service. If enabled, the payload of your webhook will flow through and temporarily be stored on Svix servers in the USA.
  • Crusoe crusoe.ai Event notification and webhook management services
  • Drata drata.com [SafeBase] Svix provides webhook infrastructure used to reliably send event notifications from our systems to external services. It ensures secure delivery, retries, and monitoring of webhook messages across integrated platforms.
  • Humaans humaans.io Webhook infrastructure
  • Hyperdoc (a.k.a. Recall.ai) recall.ai Webhook Management
  • incident.io incident.io Send Product Webhooks
  • Instruqt instruqt.com Essential; Webhook providers (anonymized data)
  • Liveblocks liveblocks.io
  • Logo.dev logo.dev Webhook delivery
  • Mintlify mintlify.com customer audit log streaming Used to generate PDF downloads of docs pages / sites
  • Neostella neostella.com Webhook delivery & event infrastructure
  • Novu novu.co Webhook as a Service
  • Oso osohq.com Webhooks provider
  • PropelAuth propelauth.com Webhooks
  • Quo quo.com Webhook API; Webhook delivery management
  • Reducto reducto.ai Customer metadata/platform subprocessor; processes account, identity, billing, usage, job, webhook, or analytics metadata. No customer document content by design.; Webhook delivery infrastructure
  • Resend resend.com Webhook services
  • Segment segment.com Svix delivers real-time system alerts and notifications for specific Twilio Products and Services
  • SendGrid sendgrid.com Svix delivers real-time system alerts and notifications for specific Twilio Products and Services
  • sparkpost sparkpost.com Webhook Delivery Infrastructure Provider
  • Sybill.ai sybill.ai
  • Tella tella.tv To provide webhook payloads for Tella.
  • telli telli.com
  • Tightknit tightknit.ai Webhooks (USA) — https://www.svix.com
  • Twilio twilio.com Svix delivers real-time system alerts and notifications for specific Twilio Products and Services
  • Unstructured unstructured.io Webhook delivery services; Webhook delivery services (local / on-prem version)
  • Vanta vanta.com Core Product; Webhook Delivery
  • Very Good Security verygoodsecurity.com Webhooks as a Service
  • WeTravel wetravel.com Customer webhooks.

Service statusCSV · Atom

Aug 14: no incident reportedAug 15: no incident reportedAug 16: no incident reportedAug 17: no incident reportedAug 18: no incident reportedAug 19: no incident reportedAug 20: no incident reportedAug 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: no incident reportedSep 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: no incident reportedSep 12: no incident reportedSep 13: no incident reportedSep 14: no incident reportedSep 15: no incident reportedSep 16: no incident reportedSep 17: no incident reportedSep 18: no incident reportedSep 19: no incident reportedSep 20: no incident reportedSep 21: no incident reportedSep 22: no incident reportedSep 23: no incident reportedSep 24: no incident reportedSep 25: no incident reportedSep 26: no incident reportedSep 27: no incident reportedSep 28: no incident reportedSep 29: no incident reportedSep 30: no incident reportedOct 1: no incident reportedOct 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: no incident reportedOct 10: no incident reportedOct 11: no incident reportedOct 12: no incident reportedOct 13: no incident reportedOct 14: no incident reportedOct 15: no incident reportedOct 16: 1 incident (1 minor)Oct 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: no incident reportedOct 24: no incident reportedOct 25: no incident reportedOct 26: no incident reportedOct 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 reported

90 days agotoday

  • 2 incidents in 90 days
  • 0 major or critical
  • 2 h 49 min typical time to resolve
BeganIncidentImpactLasted
Elevated latency in EU regionminor1 h 34 min
Elevated error rate in US regionminor2 h 49 min
[Analytics] Delayed message listing in dashboard, portal, and list-message APIsminor1 h 16 min
Dashboard logins failingmajor14 min
Elevated latency in US regionno impact stated—
[EU] elevated latency and errors for a small fraction of API requestsminor—
[EU] Elevated response times and error rates affecting some customers.major—
[usw2] very small fraction of API errors (UNAFFECTED: delivery and create-message, only supporting API affected)minor15 min

Incidents per month

0 2 4 Dec 2025: 1 incident (1 major) Jan 2026: 0 incidents Feb 2026: 0 incidents Mar 2026: 2 incidents (1 major, 1 minor) · typical time to resolve 15 min Apr 2026: 0 incidents May 2026: 0 incidents Jun 2026: 3 incidents (1 major, 1 minor, 1 no impact stated) Jul 2026: 1 incident (1 major) · typical time to resolve 14 min Aug 2026: 1 incident (1 minor) · typical time to resolve 1 h 16 min Sep 2026: 1 incident (1 minor) · typical time to resolve 2 h 49 min Oct 2026: 1 incident (1 minor) · typical time to resolve 1 h 34 min Nov 2026: 0 incidents Dec 2025Jan 2026Feb Mar Apr May Jun Jul Aug Sep Oct Nov

critical major minor no impact stated

Components affected

ComponentIncidents
API2

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

Incidents reported by Svix's subprocessorsCSV · Atom

68 reported incidents in the last 30 days, by 6 of the vendors Svix lists as subprocessors.

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

DateCompanyIncidentImpactLasted
GitHubImpact across multiple GitHub products including Actions, Pages, and Copilot products. critical33 min
GitHubIncident with Webhooks minor4 min
SentryUS issues feed throwing intermittent errors minor51 min
SentryAccount emails not being delivered major42 min
SentryEU region replay ingestion latency minor48 min
GitHubIncident with Git Operations and Pull Requests critical1 h 44 min
GitHubDegraded availability for GPT-5.3 Codex and GPT-5.6 models in Copilot major49 min
PlainHelp Center errors no impact stated—
GitHubIncident with Actions and Checks API critical46 min
GitHubIncident with Webhooks and Actions major1 h 50 min
PlainIntermittent API errors on write actions minor2 h 54 min
GitHubIncreased timeouts due to surge in anonymous users minor3 h 10 min
GitHubIncrease in timeouts for some unauthenticated users minor1 h 56 min
GitHubDegraded performance for multiple GitHub services minor44 min
GitHubIncident with Actions minor52 min
GitHubIncident with Actions major35 min
SentryIngestion delays across all data minor1 h 10 min
GitHubIncident with Actions and Pages major55 min
PlainDelays in incoming emails minor1 h 55 min
GitHubIncident with Pull Requests, Git Operations and Issues major2 h
GitHubIncreased task-related errors for Copilot Mission Control minor1 h 16 min
GitHubIncident with Git Operations minor1 h 43 min
SentryDelays in spans and transactions processing major1 h 45 min
SentrySentry.io dashboard and API is down critical1 h 32 min
PlainSome Sidekick requests failing minor10 min

And 43 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 Svix's site

Svix transparency rating

It updates with the rating.

<a href="https://thirdpartyindex.com/vendors/svix"><img src="https://thirdpartyindex.com/badge/svix.svg" alt="Svix transparency rating on Third Party Index" height="20"></a>
[![Svix transparency rating on Third Party Index](https://thirdpartyindex.com/badge/svix.svg)](https://thirdpartyindex.com/vendors/svix)