import os import requests base = os.environ.get("LANGFLOW_URL") or os.environ.get("LANGFLOW_SERVER_URL", "") flow_id = os.environ.get("FLOW_ID", "") api_key = os.environ.get("LANGFLOW_API_KEY", "") headers = { "Content-Type": "application/json", "accept": "application/json", "x-api-key": api_key, } payload = { "input_value": "Tell me a story", "input_type": "chat", "output_type": "chat", "output_component": "chat_output", "session_id": "chat-123", } response = requests.post( f"{base}/api/v1/run/{flow_id}?stream=false", headers=headers, json=payload, timeout=60, ) response.raise_for_status() print(response.text)