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APIs.guru vs Image to Link

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

APIAPIs.guruNEW—Image to LinkNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesyes
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 Image to Link: common questions

Which is more reliable, APIs.guru or Image to Link?

On our scheduled checks, Image to Link leads on measured uptime — APIs.guru at —% versus Image to Link 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 Image to Link need an API key?

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

Can I call APIs.guru and Image to Link from the browser?

Yes — both APIs.guru and Image to Link 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 APIs.guru and Image to Link free for commercial use?

APIs.guru has unclear commercial terms, and Image to Link 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.