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English Random Words vs Rendex

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

APIEnglish Random WordsNEW—RendexNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limit30 req/window · 6 remaining · resets 585Unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

English Random Words vs Rendex: common questions

Which is more reliable, English Random Words or Rendex?

On our scheduled checks, Rendex leads on measured uptime — English Random Words at —% versus Rendex 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 English Random Words and Rendex need an API key?

English Random Words needs no key, while Rendex requires a free API key. If you want to start calling without signup, reach for English Random Words first.

Can I call English Random Words and Rendex from the browser?

Yes — both English Random Words and Rendex send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are English Random Words and Rendex free for commercial use?

English Random Words has unclear commercial terms, and Rendex 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.