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OWASP API Security Project vs Sofiaplan

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

APIOWASP API Security ProjectHEALTHY98SofiaplanHEALTHY80
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms2051666
P95 · ms16463475
Authnonenone
CORSyesno
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

OWASP API Security Project vs Sofiaplan: common questions

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

Both are neck-and-neck — OWASP API Security Project and Sofiaplan each measure 100% 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.

Which is faster, OWASP API Security Project or Sofiaplan?

OWASP API Security Project has the lower median latency in our checks — OWASP API Security Project responds in 205 ms versus Sofiaplan at 1666 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.

Do OWASP API Security Project and Sofiaplan need an API key?

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

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

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

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

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