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Sofiaplan vs Stytch

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

APISofiaplanNEW—StytchNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — key may be required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Sofiaplan vs Stytch: common questions

Which is more reliable, Sofiaplan or Stytch?

On our scheduled checks, Stytch leads on measured uptime — Sofiaplan at —% versus Stytch 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 Sofiaplan and Stytch need an API key?

Sofiaplan needs no key, while Stytch requires a free API key. If you want to start calling without signup, reach for Sofiaplan first.

Can I call Sofiaplan and Stytch from the browser?

Neither sends browser-friendly CORS headers reliably, so call Sofiaplan and Stytch from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are Sofiaplan and Stytch free for commercial use?

Sofiaplan has unclear commercial terms, and Stytch 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.