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Httpbin vs npm Registry

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

APIHttpbinNEW—npm RegistryNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree (public registry)
Rate limitUnpublishedUnpublished (bulk scraping discouraged)
In directory since2026-07-052026-07-05
operationalpartialdownno data

Httpbin vs npm Registry: common questions

Which is more reliable, Httpbin or npm Registry?

On our scheduled checks, npm Registry leads on measured uptime — Httpbin at —% versus npm Registry 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 Httpbin and npm Registry need an API key?

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

Can I call Httpbin and npm Registry from the browser?

Yes — both Httpbin and npm Registry 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 Httpbin and npm Registry free for commercial use?

Httpbin has unclear commercial terms, and npm Registry 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.