Postman Echo vs Scrnify

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

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 — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Postman Echo vs Scrnify: common questions

Which is more reliable, Postman Echo or Scrnify?

On our scheduled checks, Scrnify leads on measured uptime — Postman Echo at —% versus Scrnify 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 Postman Echo and Scrnify need an API key?

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

Can I call Postman Echo and Scrnify from the browser?

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

Are Postman Echo and Scrnify free for commercial use?

Postman Echo has unclear commercial terms, and Scrnify 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.