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APIs.guru vs DomainDb Info

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

APIAPIs.guruNEW—DomainDb InfoNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree and open, no keyFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

APIs.guru vs DomainDb Info: common questions

Which is more reliable, APIs.guru or DomainDb Info?

On our scheduled checks, DomainDb Info leads on measured uptime — APIs.guru at —% versus DomainDb Info 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 APIs.guru and DomainDb Info need an API key?

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

Can I call APIs.guru and DomainDb Info from the browser?

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

Are APIs.guru and DomainDb Info free for commercial use?

APIs.guru has unclear commercial terms, and DomainDb Info 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.