Svix Blog - Webhooks, Technical Insights & Updates

Webhook deep dives and Svix news, from the team behind Standard Webhooks.
Walking through a security issue caused by a surprising behavior in JSON Schema validation
Svix now supports custom domains, allowing you to serve Svix on your own domain instead of ours.
How your customers can use the OpenTelemetry Collector Advanced Destination Type to turn monitor webhook events.
Svix changelog for October 2026: ChatGPT MCP Events, a public Destinations API, AutoConfig for polling endpoints, custom domains, the Dashboard MCP for Ingest, new plans, and IAM role auth for AWS destinations.
MCP Events let ChatGPT subscribe to events from your MCP server and act on them. How ChatGPT events work, what they require, and how to support them.
Svix response to the October, 2026 weak CA certificates issued by eMudhra
AutoConfig now works with Polling Endpoints. Declare and manage your polling endpoint in code. Start receiving events in a few lines of code.
Svix changelog for September 2026: SDK v2 is stable, the Svix CLI wizard, the App Portal MCP server, multi-org membership, and Postgres advanced endpoints.
What to expect of v2.0.0
The hardest problems with consuming webhooks: signature verification, local development, replaying failed events, ordering, and duplicates, and how we are fixing each one.
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