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Stytch vs Voidly

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

APIStytchHEALTHY92VoidlyHEALTHY78
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms5771238
P95 · ms13143894
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearyes
Data licenseUnverifiedCC BY 4.0
Free tierFree tier — key may be requiredFree (keyless data endpoints; Hydra ML endpoints need a key)
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Stytch vs Voidly: common questions

Which is more reliable, Stytch or Voidly?

Both are neck-and-neck — Stytch and Voidly 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, Stytch or Voidly?

Stytch has the lower median latency in our checks — Stytch responds in 577 ms versus Voidly at 1238 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 Stytch and Voidly need an API key?

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

Can I call Stytch and Voidly from the browser?

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

Are Stytch and Voidly free for commercial use?

Stytch has unclear commercial terms, and Voidly allows commercial use on its free tier. 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.