compare
Ky vs undici
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | Ky | undici |
|---|---|---|
| Language | TypeScript | JavaScript |
| Licence | MIT | MIT |
| Stars | 17k | 7.7k |
| Latest | v2.1.0 | v8.11.2 |
| Last push | 2026-09-16 | 2026-10-06 |
| Release cadence | about 8 days between releases | about 1 day between releases |
| Active contributors | 2 commit authors on the default branch in the last 90 days | 56 commit authors on the default branch in the last 90 days |
| Flags | none | none |
How they relate
Both replace request. Alternatives to request →
PartialKyA small client on top of fetch, with retries and hooks.
Full replacementundiciThe HTTP client behind Node.js's fetch, with pooling and pipelining.
Ky
- v2.1.02026-08-28Add QUERY method support (#873) 6edddd9
- v2.0.22026-04-21Fix init hook URLSearchParams deletions add0703
- v2.0.12026-04-14Improve compatibility with custom fetch implementations (#858) 2971991
- v2.0.02026-04-06Require Node.js 22 f1da0fc
- v2.0.0-02026-03-29This is a prerelease of the next major version. Please try it out and report any issues.pre-release
undici
- v6.29.02026-09-25[v6.x] fix(retry): settle exposed body on terminal failure
- v7.30.02026-09-25[Backport v7.x] fix: selectively re-enable SIMD for ppc64 by @github-actions[bot] in
- v8.11.22026-09-24fix: close rejected HTTP/2 WebSocket handshake streams
- v8.11.12026-09-24deslopify websocket test
- v8.11.02026-09-22fix: complete upgrade diagnostics lifecycle
Ky
unsigned The latest release, v2.1.0, carries no signature GitHub could verify.
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undici
✓ signed The latest release, v8.11.2, carries a signature GitHub verified.
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