How to Upload a large File (≥3GB) to FastAPI backend?

With requests-toolbelt library, you have to pass the filename as well, when declaring the field for upload_file, as well as set the Content-Type header—which is the main reason for the error you get, as you are sending the request without setting the Content-Type header to multipart/form-data, followed by the necessary boundary string—as shown in the … Read more