1 2 3 4 5 6 7 8 9 10 11import requests url = "http://mockbin.com/har" payload = "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"foo\"; filename=\"hello.txt\"\r\nContent-Type: text/plain\r\n\r\nHello World\r\n-----011000010111000001101001--\r\n" headers = {"content-type": "multipart/form-data; boundary=---011000010111000001101001"} response = requests.request("POST", url, data=payload, headers=headers) print(response.text)