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OpenAI Responses-compatible endpoint. Supports Responses-native input, reasoning controls, built-in tools such as web search, and official Responses SSE when stream is true.
POST
Authorizations
Bearer authentication header of the form Bearer <token>, where <token> is your auth token.
Body
application/json
Example:
"gpt-5.5"
Responses input. Can be a string or an array of message / tool-result items.
System or developer instructions.
Maximum output tokens.
Required range:
x >= 1Required range:
0 <= x <= 2Required range:
0 <= x <= 1Responses tools, including function tools and built-in tools such as web_search_preview.
If true, responses are streamed as OpenAI Responses SSE events.