---
id: urllib3
version: "2.7.0"
license: MIT
license_treatment: permissive
maintenance: active
---

# urllib3 — HTTP library with thread-safe connection pooling, file post, and more.

License: permissive · Maintenance: active · Popularity: top 100 on PyPI

## Install

pip install urllib3
uv add urllib3
poetry add urllib3

## Description

<h1 align="center">

![urllib3](https://github.com/urllib3/urllib3/raw/main/docs/_static/banner_github.svg)

</h1>

<p align="center">
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  <a href="https://discord.gg/urllib3"><img alt="Join our Discord" src="https://img.shields.io/discord/756342717725933608?color=%237289da&label=discord" /></a>
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  <a href="https://deps.dev/pypi/urllib3"><img alt="OpenSSF...

## AI interpretation — verify before relying

urllib3 is a robust HTTP client library for Python that provides thread-safe connection pooling, SSL/TLS verification, multipart file uploads, request retrying, and support for multiple compression formats and proxy protocols.

Verdict: urllib3 is a mature, actively maintained HTTP client with zero known vulnerabilities, no runtime dependencies, and permissive licensing. Its 15+ year track record, 100% test coverage, and widespread ecosystem adoption make it a reliable choice for HTTP operations in Python 3.10+.

[View on SkillFed](https://skillfed.io/packages/urllib3) · [View on PyPI](https://pypi.org/project/urllib3/)