shipapis
StarSubmit an APISubmit API

Archive.org vs Datamuse

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

APIArchive.orgNEW—DatamuseNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverified (rights vary per item)Unverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Archive.org vs Datamuse: common questions

Which is more reliable, Archive.org or Datamuse?

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

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

Can I call Archive.org and Datamuse from the browser?

Yes — both Archive.org and Datamuse 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 Archive.org and Datamuse free for commercial use?

Archive.org has unclear commercial terms, and Datamuse 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.