npm Registry API
Query npm package metadata, versions, dist-tags, and download counts from the public registry.
npm Registry API is listed in Dev Tools.
Auth No auth Pricing Free URL https://www.npmjs.com Docs https://github.com/npm/registry/blob/main/docs/REGISTRY-API.md
Key metrics
No published cap Rate limit No published hard rate limit; free, keyless read API for package metadata (fair use; heavy scraping may be throttled).
Gotchas
No gotchas documented yet. Contribute one if you know a constraint we missed.
Labels
- No auth
No auth
Callable with no API key or login — lowest-friction to integrate.
javascript packages registry metadata node