urllib3

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python

http

urllib3

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Python's most depended-on HTTP client library

This is urllib3's page urllib3

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Estimated Annual Budget

$22,117

Today's Balance

$31,783.04

Support for HTTP/2 🥳

$42,725

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$2,500 USD since Dec 2024

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$700 USD since Dec 2025

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$500 USD since Oct 2021

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$15,927.98 USD since Oct 2016

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$499 USD since Apr 2018

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$200 USD since Sep 2011

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urllib3 is all of us

Our contributors 60

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Seth Larson

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$15,928 USD

Lead maintainer of urllib3

Quentin Pradet

Admin

$499 USD

Andrey Petrov

Admin

$200 USD

Illia Volochii

Admin

GitHub Sponsors

$39,757 USD

THANKS.DEV

$7,331 USD

LaunchDarkly

$2,500 USD

Sourcegraph

$2,050 USD

Python Fund

$1,168 USD

Thinkst Canary

$1,000 USD

ElevenLabs

$700 USD

Sentry

$500 USD

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Transparent and open finances.

Financial contribution to urllib3

Credit from Thinkst Canary to urllib3 • July 24, 2026

+$1,000.00USD

Completed

Contribution #968955

GitHub Sponsors Contributions

Credit from GitHub Sponsors to urllib3 • July 2, 2026

+$102.00USD

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Added funds #964395

Monthly financial contribution to urllib3

Credit from Elliana May to urllib3 • July 2, 2026

+$5.00USD

Completed

Contribution #924828

Today’s balance

$31,783.04 USD

Total raised

$67,020.02 USD

Total disbursed

$35,236.98 USD

Estimated annual budget

$22,117.15 USD

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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

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Seth Larson

Admin

Lead maintainer of urllib3

Quentin Pradet

Admin

Andrey Petrov

Admin

Illia Volochii

Admin