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Bureau of Labor Statistics Public Data API vs Datamuse

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

APIBureau of Labor Statistics Public Data APIHEALTHY91DatamuseHEALTHY94
Uptime · 30d
Uptime · 90d96.1%92.2%
Uptime · 30d93.3%86.7%
P50 · ms516180
P95 · ms1354926
Authnonenone
CORSnono
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

Bureau of Labor Statistics Public Data API vs Datamuse: common questions

Which is more reliable, Bureau of Labor Statistics Public Data API or Datamuse?

On our scheduled checks, Bureau of Labor Statistics Public Data API leads on measured uptime — Bureau of Labor Statistics Public Data API at 96.1% 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.

Which is faster, Bureau of Labor Statistics Public Data API or Datamuse?

Datamuse has the lower median latency in our checks — Bureau of Labor Statistics Public Data API responds in 516 ms versus Datamuse at 180 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 Bureau of Labor Statistics Public Data API and Datamuse need an API key?

Neither needs a paid key — Bureau of Labor Statistics Public Data API 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 Bureau of Labor Statistics Public Data API and Datamuse from the browser?

Neither sends browser-friendly CORS headers reliably, so call Bureau of Labor Statistics Public Data API 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 Bureau of Labor Statistics Public Data API and Datamuse free for commercial use?

Bureau of Labor Statistics Public Data API 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.