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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 sets store: false, including when you omit it. Send the conversation context your next request needs in input. The following features are unavailable:
  • store: true and stored-response retrieval or deletion.
  • previous_response_id and provider-managed conversation continuation.
  • background: true and background polling or cancellation routes.
Do not call SDK helpers that depend on these missing routes. Function tools and supported hosted web-search tools are accepted. Use published Limitless 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.