xAI Messages API Endpoint Deprecation

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xAI Messages API Endpoint Deprecation

Dear xAI Developers,

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.

Check the documentation for using gRPC Chat / Responses API on https://docs.x.ai/docs/guides/chat.
So long, and thanks for all the fish,
The xAI Team

© 2025 X.AI LLC
For questions contact support@x.ai

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