Fake JSON API vs RubyGems

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

Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms
P95 · ms
Authnonenone
CORSyesyes
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

Fake JSON API vs RubyGems: common questions

Which is more reliable, Fake JSON API or RubyGems?

On our scheduled checks, RubyGems leads on measured uptime — Fake JSON API 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 Fake JSON API and RubyGems need an API key?

Neither needs a paid key — Fake JSON API 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 Fake JSON API and RubyGems from the browser?

Yes — both Fake JSON API and RubyGems send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are Fake JSON API and RubyGems free for commercial use?

Fake JSON API 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.