# POST /v1/messages is deprecated

xAI deprecated POST /v1/messages without giving a shutdown date yet.

- API: xAI (api.x.ai)
- Kind: Endpoint removal
- Takes effect: no date given yet
- Calls after that day: fail
- Calls it hits: `POST /v1/messages`
- Source: [Announcement](https://docs.x.ai/developers/rest-api-reference/inference/legacy)
- Page: https://www.okapi.bot/providers/xai/breaking-changes/post-v1-messages-is-deprecated/

## What to use instead

Use POST /v1/responses (Responses API) or the gRPC API.