import os from openai import OpenAI base = (os.environ.get("LANGFLOW_URL") or os.environ.get("LANGFLOW_SERVER_URL", "")).rstrip("/") api_key = os.environ.get("LANGFLOW_API_KEY", "") flow_id = os.environ.get("FLOW_ID", "") client = OpenAI( base_url=f"{base}/api/v1/", default_headers={"x-api-key": api_key}, api_key="dummy-api-key", # Required by OpenAI SDK but not used by Langflow ) try: response = client.responses.create( model=flow_id, input="There is an event that happens on the second wednesday of every month. What are the event dates in 2026?", ) except Exception as exc: # Empty bootstrap flows return an error body; use a flow with ChatInput + ChatOutput in the UI. print(exc) else: try: print(response.output_text) except Exception: print(response)