shipapis
StarSubmit an APISubmit API

Datamuse vs HasData: Structured Web Data APIs

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

APIDatamuseHEALTHY94HasData: Structured Web Data APIsHEALTHY70
Uptime · 30d
Uptime · 90d92.2%100%
Uptime · 30d86.7%100%
P50 · ms180768
P95 · ms9261464
AuthnoneapiKey
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Datamuse vs HasData: Structured Web Data APIs: common questions

Which is more reliable, Datamuse or HasData: Structured Web Data APIs?

On our scheduled checks, HasData: Structured Web Data APIs leads on measured uptime — Datamuse at 92.2% versus HasData: Structured Web Data APIs at 100% 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, Datamuse or HasData: Structured Web Data APIs?

Datamuse has the lower median latency in our checks — Datamuse responds in 180 ms versus HasData: Structured Web Data APIs at 768 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 Datamuse and HasData: Structured Web Data APIs need an API key?

Datamuse needs no key, while HasData: Structured Web Data APIs requires a free API key. If you want to start calling without signup, reach for Datamuse first.

Can I call Datamuse and HasData: Structured Web Data APIs from the browser?

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

Are Datamuse and HasData: Structured Web Data APIs free for commercial use?

Datamuse has unclear commercial terms, and HasData: Structured Web Data APIs 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.