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Datasette vs OWASP API Security Project

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

APIDatasetteNEW—OWASP API Security ProjectNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Datasette vs OWASP API Security Project: common questions

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

On our scheduled checks, OWASP API Security Project leads on measured uptime — Datasette 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 Datasette and OWASP API Security Project need an API key?

Neither needs a paid key — Datasette is callable with no signup, and OWASP API Security Project is callable with no signup. Both are quick to prototype with; rate limits still apply.

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

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

Datasette 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.