How to customise error response for a specific route in FastAPI?
Option 1 If you didn’t mind having the Header showing as Optional in OpenAPI/Swagger UI autodocs, it would be as easy as follows: from fastapi import Header, HTTPException @app.post(“/”) def some_route(some_custom_header: Optional[str] = Header(None)): if not some_custom_header: raise HTTPException(status_code=401, detail=”Unauthorized”) return {“some-custom-header”: some_custom_header} Option 2 However, since you would like the Header to appear as … Read more