English Random Words vs Postman Echo

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

Uptime · 30d
Uptime · 90d74.5%100%
Uptime · 30d71.7%100%
P50 · ms592201
P95 · ms2126815
Authnonenone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limit30 req/window · 6 remaining · resets 585Unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

English Random Words vs Postman Echo: common questions

Which is more reliable, English Random Words or Postman Echo?

On our scheduled checks, Postman Echo leads on measured uptime — English Random Words at 74.5% versus Postman Echo at 100% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Which is faster, English Random Words or Postman Echo?

Postman Echo has the lower median latency in our checks — English Random Words responds in 592 ms versus Postman Echo at 201 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 English Random Words and Postman Echo need an API key?

Neither needs a paid key — English Random Words is callable with no signup, and Postman Echo is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call English Random Words and Postman Echo from the browser?

Only English Random Words 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 English Random Words and Postman Echo free for commercial use?

English Random Words 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.