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Packagist vs RubyGems

Same instrument, two spec sheets — measured, not claimed.

APIPackagistNEW—RubyGemsNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Packagist vs RubyGems: common questions

Which is more reliable, Packagist or RubyGems?

On our scheduled checks, RubyGems leads on measured uptime — Packagist at —% versus RubyGems at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Do Packagist and RubyGems need an API key?

Neither needs a paid key — Packagist is callable with no signup, and RubyGems is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Packagist and RubyGems from the browser?

Only RubyGems is browser-friendly — it returns CORS headers over HTTPS. Packagist needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Packagist and RubyGems free for commercial use?

Packagist has unclear commercial terms, and RubyGems has unclear commercial terms. We track service terms and the data license as separate fields — see the Commercial use and Data license rows above, and confirm both before shipping either in a paid product.