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Crawlee vs OWASP API Security Project

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

APICrawleeNEW—OWASP API Security ProjectNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSnoyes
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

Crawlee vs OWASP API Security Project: common questions

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

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

Neither needs a paid key — Crawlee 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 Crawlee and OWASP API Security Project from the browser?

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

Are Crawlee and OWASP API Security Project free for commercial use?

Crawlee 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.