Snapshot 339

Document
Subprocessor list
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https://www.svix.com/legal/subprocessors/
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text/html; charset=utf-8
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static
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Scripts and page chrome removed; this is what change detection compares.

Subprocessors List
Updated September 15th, 2026
What is a subprocessor?
In order to provide its services, Svix may engage third parties to carry out data-processing activities that involve access to customer data. These organizations, called “subprocessors,” are identified below with their locations and the types of services they provide to Svix.
Svix distinguishes between two categories of data:
Customer Content: the data Svix customers send through the Svix service on behalf of their own users, such as message payloads and related metadata. For this data, Svix itself acts as a processor (or subprocessor) on behalf of its customers.
Account Data: information about Svix customers themselves, such as account, billing, usage, and support data. For this data, Svix acts as the data controller; and it doesn't include Customer Content or other data about the customers or users of Svix customers.
Subprocessors of Customer Content
Customer Content is stored and processed exclusively in the AWS region selected by the customer, and does not leave that region.
Name	Data residency	Description of processing
Amazon Web Services, Inc.	Customer-selected region	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.
Cloudflare, Inc.	Global	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.
Subprocessors of Account Data
The following subprocessors may process Account Data. They do not have access to Customer Content.
Name	Headquarters	Description of processing
Amazon Web Services, Inc.	WA, USA	Svix uses AWS as its cloud service provider (CSP), which also hosts Account Data.
Auth0, Inc.	WA, USA	Svix uses Auth0 to manage authentication and user management.
Functional Software, Inc. d/b/a Sentry	CA, USA	Svix uses Sentry for application error and performance monitoring. Sentry does not have access to any Svix customer data.
Datadog, Inc.	NY, USA	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.
Google LLC (G Suite)	CA, USA	Svix uses this office suite to (1) communicate with customers in some cases, and (2) manage and organize customer requests.
Mailgun Technologies, Inc.	TX, USA	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.
Slack Technologies, Inc.	CA, USA	Svix uses this internal-collaboration tool and communication platform to manage support requests from customers.
Github, Inc.	CA, USA	Svix uses this issue-tracking software to manage support requests from customers.
Stripe, Inc.	CA, USA	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.
PostHog, Inc.	CA, USA	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.
Not Just Tickets Ltd d/b/a Plain	UK	Svix uses Plain for customer support. Plain may have access to customer name, email address, and support communication contents.
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