{"id":329,"library":"requests-toolbelt","title":"Requests Toolbelt","description":"A utility belt for advanced users of python-requests, providing additional functionality and tools. Current version: 1.0.0. Release cadence: As needed.","status":"active","version":"1.0.0","language":"python","source_language":"en","source_url":"https://github.com/requests/toolbelt","tags":["requests","toolbelt","multipart","encoder"],"install":[{"cmd":"pip install requests-toolbelt","lang":"bash","label":"Install requests-toolbelt"}],"dependencies":[],"imports":[{"note":"Ensure correct import path to access MultipartEncoder class.","symbol":"MultipartEncoder","correct":"from requests_toolbelt.multipart.encoder import MultipartEncoder"}],"quickstart":{"code":"import requests\nfrom requests_toolbelt.multipart.encoder import MultipartEncoder\n\nurl = 'http://httpbin.org/post'\n\nm = MultipartEncoder(fields={'field0': 'value0', 'field1': 'value1'})\n\nresponse = requests.post(url, data=m, headers={'Content-Type': m.content_type})\nprint(response.text)","lang":"python","description":"Example of using MultipartEncoder from requests_toolbelt to send a multipart/form-data POST request."},"warnings":[{"fix":"Use 'from requests_toolbelt.multipart.encoder import MultipartEncoder' for MultipartEncoder.","message":"Ensure correct import paths to avoid ImportError.","severity":"breaking","affected_versions":"1.0.0"},{"fix":"Include headers={'Content-Type': m.content_type} in your requests.","message":"Always set the 'Content-Type' header to the value of m.content_type when using MultipartEncoder.","severity":"gotcha","affected_versions":"1.0.0"}],"env_vars":null,"last_verified":"2026-05-12T13:05:58.602Z","next_check":"2026-06-26T00:00:00.000Z","problems":[],"ecosystem":"pypi","meta_description":null,"install_score":100,"install_tag":"verified","quickstart_score":80,"quickstart_tag":"verified","pypi_latest":null,"cli_name":null,"install_checks":{"last_tested":"2026-05-12","tag":"verified","tag_description":"installs cleanly on critical runtimes, fast import, recently tested","results":[{"runtime":"python:3.10-alpine","python_version":"3.10","os_libc":"alpine (musl)","variant":"default","exit_code":0,"wheel_type":null,"failure_reason":null,"install_time_s":null,"import_time_s":0.66,"mem_mb":10.1,"disk_size":"21.6M"},{"runtime":"python:3.10-slim","python_version":"3.10","os_libc":"slim (glibc)","variant":"default","exit_code":0,"wheel_type":null,"failure_reason":null,"install_time_s":null,"import_time_s":0.45,"mem_mb":10.1,"disk_size":"22M"},{"runtime":"python:3.11-alpine","python_version":"3.11","os_libc":"alpine (musl)","variant":"default","exit_code":0,"wheel_type":null,"failure_reason":null,"install_time_s":null,"import_time_s":0.8,"mem_mb":11.1,"disk_size":"23.7M"},{"runtime":"python:3.11-slim","python_version":"3.11","os_libc":"slim (glibc)","variant":"default","exit_code":0,"wheel_type":null,"failure_reason":null,"install_time_s":null,"import_time_s":0.68,"mem_mb":11.1,"disk_size":"24M"},{"runtime":"python:3.12-alpine","python_version":"3.12","os_libc":"alpine (musl)","variant":"default","exit_code":0,"wheel_type":null,"failure_reason":null,"install_time_s":null,"import_time_s":0.74,"mem_mb":11.6,"disk_size":"15.5M"},{"runtime":"python:3.12-slim","python_version":"3.12","os_libc":"slim (glibc)","variant":"default","exit_code":0,"wheel_type":null,"failure_reason":null,"install_time_s":null,"import_time_s":0.74,"mem_mb":11.6,"disk_size":"16M"},{"runtime":"python:3.13-alpine","python_version":"3.13","os_libc":"alpine (musl)","variant":"default","exit_code":0,"wheel_type":null,"failure_reason":null,"install_time_s":null,"import_time_s":0.72,"mem_mb":12,"disk_size":"15.1M"},{"runtime":"python:3.13-slim","python_version":"3.13","os_libc":"slim (glibc)","variant":"default","exit_code":0,"wheel_type":null,"failure_reason":null,"install_time_s":null,"import_time_s":0.74,"mem_mb":12,"disk_size":"16M"},{"runtime":"python:3.9-alpine","python_version":"3.9","os_libc":"alpine (musl)","variant":"default","exit_code":0,"wheel_type":null,"failure_reason":null,"install_time_s":null,"import_time_s":0.58,"mem_mb":9.8,"disk_size":"20.9M"},{"runtime":"python:3.9-slim","python_version":"3.9","os_libc":"slim (glibc)","variant":"default","exit_code":0,"wheel_type":null,"failure_reason":null,"install_time_s":null,"import_time_s":0.53,"mem_mb":9.8,"disk_size":"21M"}]},"quickstart_checks":{"last_tested":"2026-04-23","tag":"verified","tag_description":"quickstart runs on critical runtimes, recently tested","results":[{"runtime":"python:3.10-alpine","exit_code":0},{"runtime":"python:3.10-slim","exit_code":0},{"runtime":"python:3.11-alpine","exit_code":0},{"runtime":"python:3.11-slim","exit_code":0},{"runtime":"python:3.12-alpine","exit_code":0},{"runtime":"python:3.12-slim","exit_code":0},{"runtime":"python:3.13-alpine","exit_code":0},{"runtime":"python:3.13-slim","exit_code":0},{"runtime":"python:3.9-alpine","exit_code":0},{"runtime":"python:3.9-slim","exit_code":0}]}}