> ## Documentation Index
> Fetch the complete documentation index at: https://docs.openference.com/llms.txt
> Use this file to discover all available pages before exploring further.

# POST /v1/responses

> OpenAI Responses API endpoint (used by Codex and newer clients).

# POST /v1/responses

Forwarded to upstream providers that support the Responses surface.

See the [chat completions](/api-reference/chat-completions) page for most usage patterns — the request shape is similar.