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Clockify API vs OCR.Space

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

APIClockify APIDEAD0OCR.SpaceDEAD0
Uptime · 30d
Uptime · 90d0.0%0.0%
Uptime · 30d0.0%0.0%
P50 · ms——
P95 · ms——
AuthapiKeyapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree tier — API key may be required for production
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Clockify API vs OCR.Space: common questions

Which is more reliable, Clockify API or OCR.Space?

Both are neck-and-neck — Clockify API and OCR.Space each measure 0.0% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Do Clockify API and OCR.Space need an API key?

Both ask you to authenticate — Clockify API uses an API key and OCR.Space uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.

Can I call Clockify API and OCR.Space from the browser?

Yes — both Clockify API and OCR.Space 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 Clockify API and OCR.Space free for commercial use?

Clockify API has unclear commercial terms, and OCR.Space 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.