Open Collective

urllib3

COLLECTIVE
Open source
python
http
urllib3
Fiscal Host: Open Source Collective

Python's most depended-on HTTP client library

This is urllib3's pageurllib3
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Estimated Annual Budget
$20,212
Today's Balance
$28,459.67
Support for HTTP/2 🥳
$42,725

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Top financial contributors

Organizations

1
GitHub Sponsors

$38,425.71 USD since Dec 2020

2
THANKS.DEV

$5,705.32 USD since Nov 2022

3
LaunchDarkly

$2,500 USD since Dec 2024

4
Sourcegraph

$1,900 USD since Jan 2023

5
Sentry

$500 USD since Oct 2021

6
Canva

$500 USD since Dec 2024

7
Blue Labs LLC

$500 USD since Jan 2025

8
ElevenLabs

$200 USD since Dec 2025

9
OpenCraft

$100 USD since Dec 2020

10
Peakford Ltd

$50 USD since Oct 2025

Individuals

1
Seth Larson

$15,927.98 USD since Oct 2016

2
Quentin Pradet

$499 USD since Apr 2018

3
Guest

$250 USD since Feb 2024

4
Andrey Petrov

$200 USD since Sep 2011

5
Dave Peck

$200 USD since Apr 2024

6
Charlie Morris

$100 USD since Jan 2024

7
Guest

$100 USD since Jan 2024

8
Andrey B

$100 USD since Jun 2025

9
Guest

$100 USD since Jun 2025

10
Michael Ryan Dempsey

$50 USD since Jan 2021

urllib3 is all of us

Our contributors 55

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

$38,426 USD

THANKS.DEV

$5,705 USD

LaunchDarkly

$2,500 USD

Sourcegraph

$1,900 USD

Python Fund

$842 USD

Sentry

$500 USD

Canva

$500 USD

Blue Labs LLC

$500 USD

Budget

Transparent and open finances.

GitHub Sponsors Contributions

Credit from GitHub Sponsors to urllib3 •

+$0.27USD
Completed
Added funds #926276
GitHub Sponsors Contributions

Credit from GitHub Sponsors to urllib3 •

+$29.42USD
Completed
Added funds #925619
Monthly financial contribution to urllib3

Credit from ElevenLabs to urllib3 •

+$100.00USD
Completed
Contribution #910521
$
Today’s balance

$28,459.67 USD

Total raised

$62,287.86 USD

Total disbursed

$33,828.19 USD

Estimated annual budget

$20,212.39 USD

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News from urllib3

Updates on our activities and progress.

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...
Read more
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...
Read more
Published on December 5, 2025 by Illia Volochii

Released urllib3 2.5.0

📦 urllib3 2.5.0 is now available!It fixes two moderate security issues:pool managers now properly control redirects when `retries` is passed — CVE-2025-50181 (5.3 Medium) reported by Jacob Sandumredirects are now controlled by urllib3 in t...
Read more
Published on June 18, 2025 by Illia Volochii

About

Our team

Seth Larson

Admin
Lead maintainer of urllib3

Quentin Pradet

Admin

Andrey Petrov

Admin

Illia Volochii

Admin