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hcaptcha

v3.2.4 Stable

hCaptcha client response verification. Validate the hCaptcha response submitted from to your server from the client.

MIT OR Apache-2.0 Edition 2021 MSRV 1.88
Web programming #security#captcha#backend#protection#hcaptcha

Quick Verdict

  • โœ“Actively maintained (updated 14d ago)
  • โœ“Stable API (3.x for 5+ years)
  • !Heavy dependency tree (30 direct deps)
  • โœ“Permissive license (MIT OR Apache-2.0)

Security

Checking security advisories...
Downloads
106.5K
Dependents
1
Releases
75
Size
48KB

Deep Insights

๐Ÿ“ˆ
Strong growth momentum

481 downloads in the last 30 days (16/day), up 88% from the previous period.

โœ…
Stable for 5+ years

The API has been stable (1.x) for over 5 years with 75 releases. This level of maturity means you can depend on it without worrying about breaking changes.

๐Ÿ“ฆ
Heavy dependency tree

30 direct dependencies. Consider the impact on compile times and supply chain complexity.

๐Ÿ“
Compact crate

At 47KB, hcaptcha is lightweight. Small crate size correlates with focused, well-scoped functionality.

Health Breakdown

Maintenance 18/25

Recency, release consistency, active ratio

Quality 18/25

Yanked ratio, deps, size, maturity, features

Community 6/20

Reverse deps, ownership, ecosystem

Popularity 6/15

Downloads, momentum, growth trend

Documentation 15/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
0/day avg
04/265/146/16/197/77/24

Version Adoption

v3.0.33
37%
v3.0.32
32%
v3.1.1
13%
v3.1.0
10%
v3.2.1
8%

Release Timeline

10 releasessince 2025
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5
2026
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Feature Flags

default =["ext", "rustls-backend"]

ext*tracenightlyenterpriserustls-backend*nativetls-backend

README

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Maintainers

Dependencies
30
direct dependencies
Dependents
1
crates depend on hcaptcha

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