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Best Buy vs Datamuse

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

APIBest BuyDEAD0DatamuseHEALTHY94
Uptime · 30d
Uptime · 90d0.0%92.2%
Uptime · 30d0.0%86.7%
P50 · ms—180
P95 · ms—926
AuthapiKeynone
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Best Buy vs Datamuse: common questions

Which is more reliable, Best Buy or Datamuse?

On our scheduled checks, Datamuse leads on measured uptime — Best Buy at 0.0% versus Datamuse at 92.2% 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 Best Buy and Datamuse need an API key?

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

Can I call Best Buy and Datamuse from the browser?

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

Are Best Buy and Datamuse free for commercial use?

Best Buy 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.