Create Response

Create a response using OpenAI Responses API format.

This endpoint accepts a flow_id in the model parameter and processes the input through the specified Langflow flow.

Args: request: OpenAI Responses API request with model (flow_id) and input background_tasks: FastAPI background task manager api_key_user: Authenticated user from API key http_request: The incoming HTTP request telemetry_service: Telemetry service for logging

Returns: OpenAI-compatible response or streaming response

Raises: HTTPException: For validation errors or flow execution issues

Request Body — REQUIRED
model Model — REQUIRED The flow ID to execute (used instead of OpenAI model)
input Input — REQUIRED The input text to process
stream Stream Whether to stream the response
background Background Whether to process in background
tools Tools Tools are not supported yet
previous_response_id Previous Response Id ID of previous response to continue conversation
include Include Additional response data to include, e.g., ['tool_call.results']

Responses
200 Successful Response Schema — OPTIONAL undefined
422 Validation Error Schema — OPTIONAL detail object[] — OPTIONAL loc undefined[] msg Message type Error Type