APIs.guru vs English Random Words

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

Uptime · 30d
Uptime · 90d100%74.5%
Uptime · 30d100%71.7%
P50 · ms266592
P95 · ms14212126
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree and open, no keyFree — limits not published
Rate limitUnpublished30 req/window · 6 remaining · resets 585
In directory since2026-07-052026-07-05
operationalpartialdownno data

APIs.guru vs English Random Words: common questions

Which is more reliable, APIs.guru or English Random Words?

On our scheduled checks, APIs.guru leads on measured uptime — APIs.guru at 100% versus English Random Words at 74.5% 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, APIs.guru or English Random Words?

APIs.guru has the lower median latency in our checks — APIs.guru responds in 266 ms versus English Random Words at 592 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 APIs.guru and English Random Words need an API key?

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

Can I call APIs.guru and English Random Words from the browser?

Yes — both APIs.guru and English Random Words 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 APIs.guru and English Random Words free for commercial use?

APIs.guru has unclear commercial terms, and English Random Words 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.