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Monday vs Postman Echo

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

APIMondayNEW—Postman EchoNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key may be required for productionFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Monday vs Postman Echo: common questions

Which is more reliable, Monday or Postman Echo?

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

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

Can I call Monday and Postman Echo from the browser?

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

Are Monday and Postman Echo free for commercial use?

Monday has unclear commercial terms, and Postman Echo 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.