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OCR.Space vs TotalShiftLeft Sandbox

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

APIOCR.SpaceREACHABLE—TotalShiftLeft SandboxNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key may be required for productionFree — open sandbox, auth optional
Rate limitUnpublished100 req/window · 99 remaining · resets 60
In directory since2026-07-052026-07-05
operationalpartialdownno data

OCR.Space vs TotalShiftLeft Sandbox: common questions

Which is more reliable, OCR.Space or TotalShiftLeft Sandbox?

On our scheduled checks, TotalShiftLeft Sandbox leads on measured uptime — OCR.Space at —% versus TotalShiftLeft Sandbox 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 OCR.Space and TotalShiftLeft Sandbox need an API key?

TotalShiftLeft Sandbox needs no key, while OCR.Space requires a free API key. If you want to start calling without signup, reach for TotalShiftLeft Sandbox first.

Can I call OCR.Space and TotalShiftLeft Sandbox from the browser?

Only OCR.Space is browser-friendly — it returns CORS headers over HTTPS. TotalShiftLeft Sandbox needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are OCR.Space and TotalShiftLeft Sandbox free for commercial use?

OCR.Space has unclear commercial terms, and TotalShiftLeft Sandbox 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.