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altcha-lib

A lightweight library for creating and verifying ALTCHA challenges on the server.

v2.5.0MITESM + CommonJSTypes: BundledTypeScript tooling
$ npm install altcha-lib

Key numbers

As of 25 Sept 2026
Weekly downloads
102k
+548% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
0
Direct, from package.json
Last release
-
v2.5.0
GitHub stars
104
15 forks
Open issues / PRs
0 / 0
Contributors
-
Commits, last 52 weeks
53

Downloads

Last week 2026-09-15 to 2026-09-21
050k100k150kSept 2025Mar 2026Sept 2026High 143.7k (8 Sept 2026)Low 10.8k (23 Dec 2025)
Weekly npm downloads, one point per week, weeks starting 23 Sept 2025 to 15 Sept 2026. The y axis starts at zero.

102,037 downloads last week, 488,290 in the last month. The 12-month change of +548% compares the average of the last 4 weeks with the first 4 weeks of the series.

Releases, last 12 months
-
Latest version
2.5.0
First published
-
Last push to GitHub
10 Sept 202614 days before the snapshot
Repository archived
No
Open issues
0
Open pull requests
0
Commits, last 52 weeks
53
Dependents on npm
-

Major versions

-

Recent releases

-

Module format
ESM + CommonJSFrom package.json type, main and exports fields
TypeScript types
Bundled
Node.js engine range
Not declared
Runtimes
-
Unpacked size (npm)
293 kB
Dependencies (0)
None
Peer dependencies (14)
h3corshonoexpressfastify@nestjs/core@fastify/cors@sveltejs/kitcookie-parser@nestjs/common@fastify/cookie@fastify/formbody@nestjs/platform-express@nestjs/platform-fastify
npm install altcha-lib

CDN

jsDelivr: 191.9k requests in 30 days
  • jsDelivrhttps://cdn.jsdelivr.net/npm/altcha-lib@2.5.0/
  • unpkghttps://unpkg.com/altcha-lib@2.5.0/
  • esm.shhttps://esm.sh/altcha-lib@2.5.0
PackageWeekly downloadsGzipLast releaseModuleComparison
xml-core47.2k-1 month agoESM + CommonJS-
Sources: npm registry, npm downloads API, GitHub API, jsDelivr. Data fetched 25 Sept 2026.

Indexability: Indexed.