POST /v1/responses supports synchronous JSON responses and SSE streaming through the configured provider. It requires model and input.
output_text is an SDK helper. Raw HTTP clients should inspect the output items and their content.
Stream typed events
Using the same client:Send history directly
Responses are stateless in this release. The gateway setsstore: false, including when you omit it. Send the conversation context your next request needs in input.
The following features are unavailable:
store: trueand stored-response retrieval or deletion.previous_response_idand provider-managed conversation continuation.background: trueand background polling or cancellation routes.
policy_ids to add request-selected policies; organization and project policies apply automatically.
Reasoning, structured-output text.format, and image input formats depend on the selected model. Other hosted OpenAI tools, files, and stored platform resources are outside this endpoint.