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Gladia vs OWASP API Security Project

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

APIGladiaNEW—OWASP API Security ProjectNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key may be required for productionFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Gladia vs OWASP API Security Project: common questions

Which is more reliable, Gladia or OWASP API Security Project?

On our scheduled checks, OWASP API Security Project leads on measured uptime — Gladia at —% versus OWASP API Security Project 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 Gladia and OWASP API Security Project need an API key?

OWASP API Security Project needs no key, while Gladia requires a free API key. If you want to start calling without signup, reach for OWASP API Security Project first.

Can I call Gladia and OWASP API Security Project from the browser?

Yes — both Gladia and OWASP API Security Project 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 Gladia and OWASP API Security Project free for commercial use?

Gladia has unclear commercial terms, and OWASP API Security Project 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.