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English Random Words vs ParlayAPI

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

APIEnglish Random WordsHEALTHY70ParlayAPIREACHABLE88
Uptime · 30d
Uptime · 90d58.4%87.5%
Uptime · 30d36.2%87.5%
P50 · ms503211
P95 · ms10751536
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverified
Free tierFree — limits not published
Rate limit30 req/window · 6 remaining · resets 585
In directory since2026-07-052026-10-04
operationalpartialdownno data

English Random Words vs ParlayAPI: common questions

Which is more reliable, English Random Words or ParlayAPI?

On our scheduled checks, ParlayAPI leads on measured uptime — English Random Words at 58.4% versus ParlayAPI at 87.5% 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, English Random Words or ParlayAPI?

ParlayAPI has the lower median latency in our checks — English Random Words responds in 503 ms versus ParlayAPI at 211 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 ParlayAPI need an API key?

English Random Words needs no key, while ParlayAPI 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 ParlayAPI from the browser?

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

Are English Random Words and ParlayAPI free for commercial use?

English Random Words has unclear commercial terms, and ParlayAPI 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.