urllib3

COLLECTIVE

Open source

python

http

urllib3

Fiscal Host: Open Source Collective

Python's most depended-on HTTP client library

This is urllib3's page urllib3

Contribute

All ways to contribute

Budget

Connect

Updates

About

Estimated Annual Budget

$20,327

Today's Balance

$30,473.40

Support for HTTP/2 🥳

$42,725

Contribute

Become a financial contributor.

Financial Contributions

Custom contribution

Donation

Make a custom one-time or recurring contribution.

Latest activity by

+ 53

Top financial contributors

Organizations

GitHub Sponsors

$38,608.55 USD since Dec 2020

THANKS.DEV

$6,785.06 USD since Nov 2022

LaunchDarkly

$2,500 USD since Dec 2024

Sourcegraph

$2,050 USD since Jan 2023

Sentry

$500 USD since Oct 2021

Canva

$500 USD since Dec 2024

Blue Labs LLC

$500 USD since Jan 2025

ElevenLabs

$500 USD since Dec 2025

Hypha Worker Co-op Inc.

$180 USD since Feb 2026

OpenCraft

$100 USD since Dec 2020

Individuals

Seth Larson

$15,927.98 USD since Oct 2016

Quentin Pradet

$499 USD since Apr 2018

Guest

$250 USD since Feb 2024

Andrey Petrov

$200 USD since Sep 2011

Dave Peck

$200 USD since Apr 2024

Charlie Morris

$100 USD since Jan 2024

Guest

$100 USD since Jan 2024

Andrey B

$100 USD since Jun 2025

Guest

$100 USD since Jun 2025

Michael Ryan Dempsey

$50 USD since Jan 2021

urllib3 is all of us

Our contributors 58

Thank you for supporting urllib3.

Seth Larson

Admin

$15,928 USD

Lead maintainer of urllib3

Quentin Pradet

Admin

$499 USD

Andrey Petrov

Admin

$200 USD

Illia Volochii

Admin

GitHub Sponsors

$38,609 USD

THANKS.DEV

$6,785 USD

LaunchDarkly

$2,500 USD

Sourcegraph

$2,050 USD

Python Fund

$1,118 USD

Sentry

$500 USD

Canva

$500 USD

Blue Labs LLC

$500 USD

Budget

Transparent and open finances.

Financial contribution to urllib3

Credit from Python Fund to urllib3 • May 15, 2026

+$52.38USD

Completed

Balance transfer

Financial contribution to urllib3

Credit from Helge to urllib3 • May 11, 2026

+$5.00USD

Completed

Contribution #950308

Monthly financial contribution to urllib3

Credit from Elliana May to urllib3 • May 2, 2026

+$5.00USD

Completed

Contribution #924828

Today’s balance

$30,473.40 USD

Total raised

$64,301.59 USD

Total disbursed

$33,828.19 USD

Estimated annual budget

$20,327.44 USD

Connect

Let’s get the ball rolling!

News from urllib3

Updates on our activities and progress.

Released urllib3 2.7.0

📦 urllib3 2.7.0 is now available! It addresses high-severity security issues related to:decompression bombs (GHSA-mf9v-mfxr-j63j)sensitive headers tra...

Published on May 7, 2026 by Illia Volochii

Released urllib3 2.6.3

📦 urllib3 2.6.3 is now available! It fixes a high-severity security issue related to decompression when following HTTP redirects (see advisory: GHSA-3...

Published on January 7, 2026 by Illia Volochii

Released urllib3 2.6.0

📦 urllib3 2.6.0 is now available! It fixes two high-severity security issues related to decompression of response content. Additionally, the new version:switched to the `backports.zstd` package for the zstd support on Python 3.13 and befor...

Published on December 5, 2025 by Illia Volochii

About

Our team

Seth Larson

Admin

Lead maintainer of urllib3

Quentin Pradet

Admin

Andrey Petrov

Admin

Illia Volochii

Admin