Summary
xAI is deprecating the Messages endpoint (/v1/messages) on February 20, 2026. After that date, requests will return a 410 Gone error.
Required Action
Migrate to either:
- gRPC-based Chat service
- RESTful Responses API
Documentation
https://docs.x.ai/docs/guides/chat
Original Email
The Messages endpoint (/v1/messages) will be removed from the xAI API on February 20, 2026.
After that date, any requests sent to /v1/messages will return a 410 Gone error.
We strongly recommend all xAI API users to migrate to our gRPC-based Chat service or RESTful Responses API, as these will have access to our latest features.
Summary
xAI is deprecating the Messages endpoint (
/v1/messages) on February 20, 2026. After that date, requests will return a410 Goneerror.Required Action
Migrate to either:
Documentation
https://docs.x.ai/docs/guides/chat
Original Email