urllib3

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Python's most depended-on HTTP client library

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$19,166

Today's Balance

$28,305.85

Support for HTTP/2 🥳

$42,725

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$40,876.79 USD since Dec 2020

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$700 USD since Dec 2025

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10

Hypha Worker Co-op Inc.

$180 USD since Feb 2026

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$15,927.98 USD since Oct 2016

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$499 USD since Apr 2018

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Guest

$250 USD since Feb 2024

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$200 USD since Sep 2011

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$200 USD since Apr 2024

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$103 USD since Jun 2026

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Charlie Morris

$100 USD since Jan 2024

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Andrey B

$100 USD since Jun 2025

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$100 USD since Jun 2025

urllib3 is all of us

Our contributors 63

Thank you for supporting urllib3.

Seth Larson

Admin

$15,928 USD

Quentin Pradet

Admin

$499 USD

Andrey Petrov

Admin

$200 USD

Illia Volochii

Admin

Lead maintainer of urllib3

GitHub Sponsors

$40,877 USD

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$7,888 USD

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$2,500 USD

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$2,050 USD

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$1,268 USD

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$1,000 USD

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$700 USD

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$500 USD

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Transparent and open finances.

Financial contribution to urllib3

Credit from Guest to urllib3 • September 23, 2026

+$10.00USD

Completed

Contribution #981574

Financial contribution to urllib3

Credit from Python Fund to urllib3 • September 15, 2026

+$50.00USD

Completed

Balance transfer

HTTP/2 research - 2026-07-18 to 2026-09-10

Category

Maintenance and Development

from Miguel Grinberg to urllib3 • September 8, 2026

-$1,900.00 USD

Paid

$

Today’s balance

$28,305.85 USD

Total raised

$68,721.33 USD

Total disbursed

$40,415.48 USD

Estimated annual budget

$19,165.97 USD

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News from urllib3

Updates on our activities and progress.

Released urllib3 2.8.0

📦 urllib3 2.8.0 is now available! This release fixes three security issues:HTTPS proxy TLS configuration may be ignored or overridden (...

Published on September 15, 2026 by Illia Volochii

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

About

Our team

Seth Larson

Admin

Quentin Pradet

Admin

Andrey Petrov

Admin

Illia Volochii

Admin

Lead maintainer of urllib3