urllib3

COLLECTIVE

Fiscal Host: Open Source Collective

Python's most depended-on HTTP client library

This is urllib3's page urllib3

All ways to contribute

Updates

Submit expense

Estimated Annual Budget

$22,709

Today's Balance

$33,155.17

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

+ 57

Top financial contributors

Organizations

1

GitHub Sponsors

$40,814.79 USD since Dec 2020

2

$7,887.8 USD since Nov 2022

3

$2,500 USD since Dec 2024

4

$2,050 USD since Jan 2023

5

$1,000 USD since Jul 2026

6

$700 USD since Dec 2025

7

$500 USD since Oct 2021

8

$500 USD since Dec 2024

9

$500 USD since Jan 2025

10

Hypha Worker Co-op Inc.

$180 USD since Feb 2026

Individuals

1

$15,927.98 USD since Oct 2016

2

$499 USD since Apr 2018

3

Guest

$250 USD since Feb 2024

4

$200 USD since Sep 2011

5

$200 USD since Apr 2024

6

$103 USD since Jun 2026

7

Charlie Morris

$100 USD since Jan 2024

8

Guest

$100 USD since Jan 2024

9

Andrey B

$100 USD since Jun 2025

10

Guest

$100 USD since Jun 2025

urllib3 is all of us

Our contributors 62

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

$40,815 USD

THANKS.DEV

$7,888 USD

LaunchDarkly

$2,500 USD

Sourcegraph

$2,050 USD

Python Fund

$1,218 USD

Thinkst Canary

$1,000 USD

ElevenLabs

$700 USD

Sentry

$500 USD

Budget

Transparent and open finances.

Maintenance in May 2026

Category

Maintenance and Development

from Illia Volochii to urllib3 • August 15, 2026

-$905.00 USD

Approved

Maintenance in April 2026

Category

Maintenance and Development

from Illia Volochii to urllib3 • August 15, 2026

-$1,134.00 USD

Approved

Maintenance in February and March 2026

Category

Maintenance and Development

from Illia Volochii to urllib3 • August 15, 2026

-$431.00 USD

Approved

$

Today’s balance

$33,155.17 USD

Total raised

$68,595.28 USD

Total disbursed

$35,440.11 USD

Estimated annual budget

$22,708.84 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