# Svix Svix declares [12 subprocessors](https://thirdpartyindex.com/vendors/svix#subprocessors) in [its subprocessor list](https://www.svix.com/legal/subprocessors/), which we last checked on 2026-11-11 ([evidence](https://thirdpartyindex.com/evidence/244276)). 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. [35 tracked vendors](https://thirdpartyindex.com/vendors/svix#used-by) name Svix as a subprocessor, including [Twilio](https://thirdpartyindex.com/vendors/twilio), [SendGrid](https://thirdpartyindex.com/vendors/sendgrid) and [Segment](https://thirdpartyindex.com/vendors/segment). Svix (svix.com): subprocessors, data processing agreement, security documents and changes, as monitored by Third Party Index. - Page: https://thirdpartyindex.com/vendors/svix - Documents last verified: 2026-11-11 - Transparency rating: 67/100 (how much it publishes, not how secure it is): Subprocessor list 30/30; Processing locations 0/8 (partial); Purposes 7/7; Data processing addendum 0/12 (not found); 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 12 tracked vendors directly, 126 within two hops, 417 within three; 35 tracked vendors rely on it directly, 1364 within two hops, 2659 within three - Cite as: Svix, Third Party Index, https://thirdpartyindex.com/vendors/svix (data CC BY 4.0) ## Documents | Document | URL | Last verified | Last changed | |---|---|---|---| | Subprocessor list | https://www.svix.com/legal/subprocessors/ | 2026-11-11 | 2026-11-09 | | Privacy policy | https://www.svix.com/legal/privacy/ | 2026-11-11 | 2026-11-09 | | Terms | https://www.svix.com/terms/ | 2026-11-11 | 2026-11-09 | | Security page | https://www.svix.com/security/ | 2026-11-11 | 2026-11-09 | | security.txt | https://www.svix.com/.well-known/security.txt | 2026-11-11 | 2026-09-21 | | Status page | https://status.svix.com/ | 2026-11-11 | 2026-11-11 | ## Subprocessors (12) As its own list states them. | Subprocessor | Purpose | Location | Listed since | |---|---|---|---| | [Amazon Web Services, Inc.](https://thirdpartyindex.com/vendors/amazon-web-services.md) | 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. | — | 2026-09-21 | | [Auth0, Inc.](https://thirdpartyindex.com/vendors/okta.md) | Svix uses Auth0 to manage authentication and user management. | — | 2026-09-21 | | [Cloudflare, Inc.](https://thirdpartyindex.com/vendors/cloudflare.md) | 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. | — | 2026-09-21 | | [Datadog, Inc.](https://thirdpartyindex.com/vendors/datadog.md) | 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. | — | 2026-09-21 | | [Functional Software, Inc. d/b/a Sentry](https://thirdpartyindex.com/vendors/sentry.md) | Svix uses Sentry for application error and performance monitoring. Sentry does not have access to any Svix customer data. | — | 2026-09-21 | | [Github, Inc.](https://thirdpartyindex.com/vendors/github.md) | Svix uses this issue-tracking software to manage support requests from customers. | — | 2026-09-21 | | [Google LLC (G Suite)](https://thirdpartyindex.com/vendors/google-cloud.md) | Svix uses this office suite to (1) communicate with customers in some cases, and (2) manage and organize customer requests. | — | 2026-09-21 | | [Mailgun Technologies, Inc.](https://thirdpartyindex.com/vendors/mailgun.md) | 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. | — | 2026-09-21 | | [Not Just Tickets Ltd d/b/a Plain](https://thirdpartyindex.com/vendors/plain.md) | Svix uses Plain for customer support. Plain may have access to customer name, email address, and support communication contents. | — | 2026-09-21 | | [PostHog, Inc.](https://thirdpartyindex.com/vendors/posthog.md) | 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. | — | 2026-09-21 | | [Slack Technologies, Inc.](https://thirdpartyindex.com/vendors/slack.md) | Svix uses this internal-collaboration tool and communication platform to manage support requests from customers. | — | 2026-09-21 | | [Stripe, Inc.](https://thirdpartyindex.com/vendors/stripe.md) | 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. | — | 2026-09-21 | Read from ([evidence](https://thirdpartyindex.com/evidence/339)). CSV: https://thirdpartyindex.com/vendors/svix/subprocessors.csv ## Web Technologies Svix's homepage made 162 requests to 10 domains, and 4 services controlled by another company. 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. 4 third parties by category: Analytics 1 (Google Cloud); Live chat 1 (reviewed: Intercom); Cookie compliance 1 (CookieHub); Customer data platform 1 (usually detected as Customer data platform: Segment). 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 (4) - Segment: 7 requests to segment.com, segment.io - Google Cloud: 6 requests to googletagmanager.com, google-analytics.com, googlesyndication.com; Google Analytics, Google Tag Manager (its subprocessor list names it too) - Intercom: 6 requests to intercom.io, intercomcdn.com - CookieHub: 4 requests to cookiehub.eu, cookiehub.net; CookieHub ### First party (1) - Svix: 139 requests to svix.com; Font Awesome, GSAP, HSTS, Intercom, Next.js 16.3.6, Open Graph, Priority Hints, React, Turbopack, Vercel, Webpack 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) Tracked vendors whose own subprocessor lists name it, and what they say they use it for. - [Ada Support](https://thirdpartyindex.com/vendors/ada-support.md): Webhooks functionality and infrastructure - [Ampersand](https://thirdpartyindex.com/vendors/ampersand.md): Provides webhook delivery infrastructure used to transmit integration events between Ampersand and customer systems.; Webhook delivery - [Attention](https://thirdpartyindex.com/vendors/attention.md) - [Badge](https://thirdpartyindex.com/vendors/trybadge-com.md): Webhook Managment - [Bird](https://thirdpartyindex.com/vendors/bird.md): Webhook Delivery Infrastructure Provider - [Clerk](https://thirdpartyindex.com/vendors/clerk.md): Webhook delivery - [Conveyor](https://thirdpartyindex.com/vendors/conveyor.md): 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 … - [Crusoe](https://thirdpartyindex.com/vendors/crusoe.md): Event notification and webhook management services - [Drata](https://thirdpartyindex.com/vendors/drata.md): \[SafeBase\] Svix provides webhook infrastructure used to reliably send event notifications from our systems to external services. It ensures secure delivery, ret… - [Humaans](https://thirdpartyindex.com/vendors/humaans.md): Webhook infrastructure - [Hyperdoc (a.k.a. Recall.ai)](https://thirdpartyindex.com/vendors/hyperdoc-a-k-a-recall-ai.md): Webhook Management - [incident.io](https://thirdpartyindex.com/vendors/incident-io.md): Send Product Webhooks - [Instruqt](https://thirdpartyindex.com/vendors/instruqt.md): Essential; Webhook providers (anonymized data) - [Liveblocks](https://thirdpartyindex.com/vendors/liveblocks.md) - [Logo.dev](https://thirdpartyindex.com/vendors/logo-dev.md): Webhook delivery - [Mintlify](https://thirdpartyindex.com/vendors/mintlify.md): customer audit log streaming Used to generate PDF downloads of docs pages / sites - [Neostella](https://thirdpartyindex.com/vendors/neostella.md): Webhook delivery & event infrastructure - [Novu](https://thirdpartyindex.com/vendors/novu.md): Webhook as a Service - [Oso](https://thirdpartyindex.com/vendors/oso.md): Webhooks provider - [PropelAuth](https://thirdpartyindex.com/vendors/propelauth.md): Webhooks - [Quo](https://thirdpartyindex.com/vendors/quo.md): Webhook API; Webhook delivery management - [Reducto](https://thirdpartyindex.com/vendors/reducto.md): Customer metadata/platform subprocessor; processes account, identity, billing, usage, job, webhook, or analytics metadata. No customer document content by desig… - [Resend](https://thirdpartyindex.com/vendors/resend.md): Webhook services - [Segment](https://thirdpartyindex.com/vendors/segment.md): Svix delivers real-time system alerts and notifications for specific Twilio Products and Services - [SendGrid](https://thirdpartyindex.com/vendors/sendgrid.md): Svix delivers real-time system alerts and notifications for specific Twilio Products and Services - [sparkpost](https://thirdpartyindex.com/vendors/sparkpost.md): Webhook Delivery Infrastructure Provider - [Sybill.ai](https://thirdpartyindex.com/vendors/sybill-ai.md) - [Tella](https://thirdpartyindex.com/vendors/tella.md): To provide webhook payloads for Tella. - [telli](https://thirdpartyindex.com/vendors/telli.md) - [Tightknit](https://thirdpartyindex.com/vendors/tightknit.md): Webhooks (USA) — https://www.svix.com - [Twilio](https://thirdpartyindex.com/vendors/twilio.md): Svix delivers real-time system alerts and notifications for specific Twilio Products and Services - [Unstructured](https://thirdpartyindex.com/vendors/unstructured.md): Webhook delivery services; Webhook delivery services (local / on-prem version) - [Vanta](https://thirdpartyindex.com/vendors/vanta.md): Core Product; Webhook Delivery - [Very Good Security](https://thirdpartyindex.com/vendors/very-good-security.md): Webhooks as a Service - [WeTravel](https://thirdpartyindex.com/vendors/wetravel.md): Customer webhooks. ## Service status Incidents it reported on its own status page. - Last 90 days: 2 reported incidents (0 major or critical, 2 minor, 0 with no impact stated) - Typical time to resolve: 2 h 49 min - Status page last read: 2026-11-11 - 2026-10-16: Elevated latency in EU region (minor) - 2026-09-03: Elevated error rate in US region (minor) - 2026-08-12: \[Analytics\] Delayed message listing in dashboard, portal, and list-message APIs (minor) - 2026-07-30: Dashboard logins failing (major) - 2026-06-22: Elevated latency in US region (no impact stated) - 2026-06-12: \[EU\] elevated latency and errors for a small fraction of API requests (minor) - 2026-06-03: \[EU\] Elevated response times and error rates affecting some customers. (major) - 2026-03-24: \[usw2\] very small fraction of API errors (UNAFFECTED: delivery and create-message, only supporting API affected) (minor) ## Incidents reported by Svix's subprocessors Incidents reported in the last 30 days on their own status pages by 6 vendors Svix lists as subprocessors. A subprocessor list names a company, not the service an incident touched. - 2026-11-11: [GitHub](https://thirdpartyindex.com/vendors/github#status), which Svix lists as a subprocessor, reported Impact across multiple GitHub products including Actions, Pages, and Copilot products. (critical) - 2026-11-11: [GitHub](https://thirdpartyindex.com/vendors/github#status), which Svix lists as a subprocessor, reported Incident with Webhooks (minor) - 2026-11-11: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which Svix lists as a subprocessor, reported US issues feed throwing intermittent errors (minor) - 2026-11-11: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which Svix lists as a subprocessor, reported Account emails not being delivered (major) - 2026-11-10: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which Svix lists as a subprocessor, reported EU region replay ingestion latency (minor) - 2026-11-10: [GitHub](https://thirdpartyindex.com/vendors/github#status), which Svix lists as a subprocessor, reported Incident with Git Operations and Pull Requests (critical) - 2026-11-09: [GitHub](https://thirdpartyindex.com/vendors/github#status), which Svix lists as a subprocessor, reported Degraded availability for GPT-5.3 Codex and GPT-5.6 models in Copilot (major) - 2026-11-09: [Plain](https://thirdpartyindex.com/vendors/plain#status), which Svix lists as a subprocessor, reported Help Center errors (no impact stated) - 2026-11-09: [GitHub](https://thirdpartyindex.com/vendors/github#status), which Svix lists as a subprocessor, reported Incident with Actions and Checks API (critical) - 2026-11-09: [GitHub](https://thirdpartyindex.com/vendors/github#status), which Svix lists as a subprocessor, reported Incident with Webhooks and Actions (major) - 2026-11-09: [Plain](https://thirdpartyindex.com/vendors/plain#status), which Svix lists as a subprocessor, reported Intermittent API errors on write actions (minor) - 2026-11-09: [GitHub](https://thirdpartyindex.com/vendors/github#status), which Svix lists as a subprocessor, reported Increased timeouts due to surge in anonymous users (minor) - 2026-11-08: [GitHub](https://thirdpartyindex.com/vendors/github#status), which Svix lists as a subprocessor, reported Increase in timeouts for some unauthenticated users (minor) - 2026-11-05: [GitHub](https://thirdpartyindex.com/vendors/github#status), which Svix lists as a subprocessor, reported Degraded performance for multiple GitHub services (minor) - 2026-11-05: [GitHub](https://thirdpartyindex.com/vendors/github#status), which Svix lists as a subprocessor, reported Incident with Actions (minor) - 2026-11-04: [GitHub](https://thirdpartyindex.com/vendors/github#status), which Svix lists as a subprocessor, reported Incident with Actions (major) - 2026-11-04: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which Svix lists as a subprocessor, reported Ingestion delays across all data (minor) - 2026-11-04: [GitHub](https://thirdpartyindex.com/vendors/github#status), which Svix lists as a subprocessor, reported Incident with Actions and Pages (major) - 2026-11-04: [Plain](https://thirdpartyindex.com/vendors/plain#status), which Svix lists as a subprocessor, reported Delays in incoming emails (minor) - 2026-11-04: [GitHub](https://thirdpartyindex.com/vendors/github#status), which Svix lists as a subprocessor, reported Incident with Pull Requests, Git Operations and Issues (major) - 2026-11-04: [GitHub](https://thirdpartyindex.com/vendors/github#status), which Svix lists as a subprocessor, reported Increased task-related errors for Copilot Mission Control (minor) - 2026-11-03: [GitHub](https://thirdpartyindex.com/vendors/github#status), which Svix lists as a subprocessor, reported Incident with Git Operations (minor) - 2026-11-03: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which Svix lists as a subprocessor, reported Delays in spans and transactions processing (major) - 2026-11-03: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which Svix lists as a subprocessor, reported Sentry.io dashboard and API is down (critical) - 2026-11-03: [Plain](https://thirdpartyindex.com/vendors/plain#status), which Svix lists as a subprocessor, reported Some Sidekick requests failing (minor) - 2026-11-03: [GitHub](https://thirdpartyindex.com/vendors/github#status), which Svix lists as a subprocessor, reported Incident with API, Git, and Copilot requests (minor) - 2026-11-02: [Plain](https://thirdpartyindex.com/vendors/plain#status), which Svix lists as a subprocessor, reported Delays receiving Slack messages in Plain (minor) - 2026-11-02: [GitHub](https://thirdpartyindex.com/vendors/github#status), which Svix lists as a subprocessor, reported Elevated errors on GPT-5.4 Nano (minor) - 2026-11-02: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which Svix lists as a subprocessor, reported Sentry dashboard is down (critical) - 2026-11-01: [Stripe](https://thirdpartyindex.com/vendors/stripe#status), which Svix lists as a subprocessor, reported Elevated Instant Payouts failures (no impact stated) - 2026-10-30: [GitHub](https://thirdpartyindex.com/vendors/github#status), which Svix lists as a subprocessor, reported Incident with Dependabot (minor) - 2026-10-30: [GitHub](https://thirdpartyindex.com/vendors/github#status), which Svix lists as a subprocessor, reported Incident with Actions, Pages, and Webhooks (major) - 2026-10-30: [GitHub](https://thirdpartyindex.com/vendors/github#status), which Svix lists as a subprocessor, reported Disruption with GitHub services (critical) - 2026-10-30: [Plain](https://thirdpartyindex.com/vendors/plain#status), which Svix lists as a subprocessor, reported Reporting data delayed (minor) - 2026-10-29: [Plain](https://thirdpartyindex.com/vendors/plain#status), which Svix lists as a subprocessor, reported Elevated errors across the Plain app, API and help centers (major) - 2026-10-29: [GitHub](https://thirdpartyindex.com/vendors/github#status), which Svix lists as a subprocessor, reported Disruption with Copilot Cloud services (minor) - 2026-10-28: [Stripe](https://thirdpartyindex.com/vendors/stripe#status), which Svix lists as a subprocessor, reported Elevated Issuing errors from 17:13 - 20:41 UTC (minor) - 2026-10-28: [Plain](https://thirdpartyindex.com/vendors/plain#status), which Svix lists as a subprocessor, reported Degraded AI features (minor) - 2026-10-28: [Datadog](https://thirdpartyindex.com/vendors/datadog#status), which Svix lists as a subprocessor, reported Metrics query are disrupted (major) - 2026-10-28: [GitHub](https://thirdpartyindex.com/vendors/github#status), which Svix lists as a subprocessor, reported Disruption with some Copilot services (critical) - 2026-10-28: [Mailgun](https://thirdpartyindex.com/vendors/mailgun#status), which Svix lists as a subprocessor, reported Route delays in EU Region (minor) - 2026-10-27: [GitHub](https://thirdpartyindex.com/vendors/github#status), which Svix lists as a subprocessor, reported Elevated 404s for GitHub App s2s tokens in git/API (no impact stated) - 2026-10-26: [GitHub](https://thirdpartyindex.com/vendors/github#status), which Svix lists as a subprocessor, reported Incident with Actions, Issues, API Requests and Pull Requests (minor) - 2026-10-26: [Datadog](https://thirdpartyindex.com/vendors/datadog#status), which Svix lists as a subprocessor, reported Elevated Error Rates for Workflow Automation, App Builder, Bits Code, Bits Agent Builder (major) - 2026-10-24: [Stripe](https://thirdpartyindex.com/vendors/stripe#status), which Svix lists as a subprocessor, reported Elevated Blik errors (no impact stated) - 2026-10-23: [GitHub](https://thirdpartyindex.com/vendors/github#status), which Svix lists as a subprocessor, reported Grok 4.6 and Grok 4.7 Service Issues (minor) - 2026-10-23: [GitHub](https://thirdpartyindex.com/vendors/github#status), which Svix lists as a subprocessor, reported Disruption with Dependabot Alerts (minor) - 2026-10-23: [GitHub](https://thirdpartyindex.com/vendors/github#status), which Svix lists as a subprocessor, reported Delayed Actions status check results (minor) - 2026-10-22: [Stripe](https://thirdpartyindex.com/vendors/stripe#status), which Svix lists as a subprocessor, reported Elevated Bancontact errors (no impact stated) - 2026-10-22: [GitHub](https://thirdpartyindex.com/vendors/github#status), which Svix lists as a subprocessor, reported Project updates delayed (minor) - 2026-10-22: [Stripe](https://thirdpartyindex.com/vendors/stripe#status), which Svix lists as a subprocessor, reported Elevated Bancontact errors (no impact stated) - 2026-10-22: [GitHub](https://thirdpartyindex.com/vendors/github#status), which Svix lists as a subprocessor, reported Incident with Actions (minor) - 2026-10-22: [Plain](https://thirdpartyindex.com/vendors/plain#status), which Svix lists as a subprocessor, reported Search results may be missing recent conversations (minor) - 2026-10-21: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which Svix lists as a subprocessor, reported Increased latency processing integration webhooks (minor) - 2026-10-21: [GitHub](https://thirdpartyindex.com/vendors/github#status), which Svix lists as a subprocessor, reported Delays for Pull Requests and Webhook deliveries (critical) - 2026-10-21: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which Svix lists as a subprocessor, reported Sentry.io not loading in US region (critical) - 2026-10-20: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which Svix lists as a subprocessor, reported Sentry.io not loading (major) - 2026-10-20: [Stripe](https://thirdpartyindex.com/vendors/stripe#status), which Svix 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 Svix lists as a subprocessor, reported Elevated Revolut Pay errors (no impact stated) - 2026-10-19: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which Svix lists as a subprocessor, reported Sentry is down (critical) - 2026-10-19: [GitHub](https://thirdpartyindex.com/vendors/github#status), which Svix lists as a subprocessor, reported Degraded availability for GitHub Actions, GitHub Pages and Webhooks (critical) - 2026-10-15: [Stripe](https://thirdpartyindex.com/vendors/stripe#status), which Svix lists as a subprocessor, reported Elevated declines on Mastercard (no impact stated) - 2026-10-15: [GitHub](https://thirdpartyindex.com/vendors/github#status), which Svix lists as a subprocessor, reported CCA Automations are delayed when starting an Automation (minor) - 2026-10-15: [Stripe](https://thirdpartyindex.com/vendors/stripe#status), which Svix lists as a subprocessor, reported Elevated declines on Visa (no impact stated) - 2026-10-15: [Stripe](https://thirdpartyindex.com/vendors/stripe#status), which Svix lists as a subprocessor, reported Elevated Amazon Pay errors (no impact stated) - 2026-10-14: [Plain](https://thirdpartyindex.com/vendors/plain#status), which Svix lists as a subprocessor, reported Delayed processing of some thread events (minor) - 2026-10-14: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which Svix lists as a subprocessor, reported Ingestion Halted for EAP data in EU (major) - 2026-10-13: [GitHub](https://thirdpartyindex.com/vendors/github#status), which Svix lists as a subprocessor, reported \[Retroactive\] Actions workflow run logs delayed (minor) The subprocessor list as we read it on any date: https://thirdpartyindex.com/labs/time-machine/svix ## Security contact From its security.txt (https://www.svix.com/.well-known/security.txt) ([evidence](https://thirdpartyindex.com/evidence/343)): - Contact: mailto:responsible.disclosure@svix.com - Languages: en - 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