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Datamuse vs ElonMuskAPI

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

APIDatamuseNEW—ElonMuskAPINEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Datamuse vs ElonMuskAPI: common questions

Which is more reliable, Datamuse or ElonMuskAPI?

On our scheduled checks, ElonMuskAPI leads on measured uptime — Datamuse at —% versus ElonMuskAPI 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 Datamuse and ElonMuskAPI need an API key?

Neither needs a paid key — Datamuse is callable with no signup, and ElonMuskAPI is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Datamuse and ElonMuskAPI from the browser?

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

Are Datamuse and ElonMuskAPI free for commercial use?

Datamuse has unclear commercial terms, and ElonMuskAPI 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.