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Bureau of Labor Statistics Public Data API vs Web of Science API Expanded

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

APIBureau of Labor Statistics Public Data APIHEALTHY91Web of Science API ExpandedHEALTHY88
Uptime · 30d
Uptime · 90d96.1%99.02%
Uptime · 30d93.3%98.3%
P50 · ms516787
P95 · ms13541985
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

Bureau of Labor Statistics Public Data API vs Web of Science API Expanded: common questions

Which is more reliable, Bureau of Labor Statistics Public Data API or Web of Science API Expanded?

On our scheduled checks, Web of Science API Expanded leads on measured uptime — Bureau of Labor Statistics Public Data API at 96.1% versus Web of Science API Expanded at 99.02% 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 Web of Science API Expanded?

Bureau of Labor Statistics Public Data API has the lower median latency in our checks — Bureau of Labor Statistics Public Data API responds in 516 ms versus Web of Science API Expanded at 787 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 Web of Science API Expanded need an API key?

Bureau of Labor Statistics Public Data API needs no key, while Web of Science API Expanded requires a free API key. If you want to start calling without signup, reach for Bureau of Labor Statistics Public Data API first.

Can I call Bureau of Labor Statistics Public Data API and Web of Science API Expanded from the browser?

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

Bureau of Labor Statistics Public Data API has unclear commercial terms, and Web of Science API Expanded 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.