I am making some fastAPI routes which automatically generates the documentation, In documentation I want to add an option to select schemes (HTTP or HTTPS). I tried adding CORS to the API: app = FastAPI() # Implement CORS origins = [ "http://localhost", "http://localhost:8000", "https://example.com" ] app.add_middleware( CORSMiddleware, allow_origins=origins, allow_credentials=True, allow_methods=["*"], allow_headers=["*"], ) But the schemes aren't showing up. Also added custom config: def custom_openapi(): if app.openapi_schema: return app.openapi_schema openapi_schema = get_openapi( title="My FastAPI App", version="1.0.0", description="This is a FastAPI app that supports HTTP and HTTPS", routes=app.routes, ) # Add support for both HTTP and HTTPS schemes openapi_schema["schemes"] = ["http", "https"] app.openapi_schema = openapi_schema return app.openapi_schema app.openapi = custom_openapi but this also didn't work. Expected result is to get this on the upper left of the docs: Image is taken from SwaggerUI docs How can I achieve this? Continue reading...