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ConvertHub API vs Image to Link

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

APIConvertHub APINEW—Image to LinkNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

ConvertHub API vs Image to Link: common questions

Which is more reliable, ConvertHub API or Image to Link?

On our scheduled checks, Image to Link leads on measured uptime — ConvertHub API 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 ConvertHub API and Image to Link need an API key?

Image to Link needs no key, while ConvertHub API requires a free API key. If you want to start calling without signup, reach for Image to Link first.

Can I call ConvertHub API and Image to Link from the browser?

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

Are ConvertHub API and Image to Link free for commercial use?

ConvertHub API 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.