Datamuse vs SnapshotAPI

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

Uptime · 30d
Uptime · 90d92.2%6.9%
Uptime · 30d86.7%0.0%
P50 · ms180396
P95 · ms926547
AuthnoneapiKey
CORSnono
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 SnapshotAPI: common questions

Which is more reliable, Datamuse or SnapshotAPI?

On our scheduled checks, Datamuse leads on measured uptime — Datamuse at 92.2% versus SnapshotAPI at 6.9% 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 SnapshotAPI?

Datamuse has the lower median latency in our checks — Datamuse responds in 180 ms versus SnapshotAPI at 396 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 SnapshotAPI need an API key?

Datamuse needs no key, while SnapshotAPI requires a free API key. If you want to start calling without signup, reach for Datamuse first.

Can I call Datamuse and SnapshotAPI from the browser?

Neither sends browser-friendly CORS headers reliably, so call Datamuse and SnapshotAPI from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are Datamuse and SnapshotAPI free for commercial use?

Datamuse has unclear commercial terms, and SnapshotAPI 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.