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Bureau of Labor Statistics Public Data API vs Spaceflight News

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

APIBureau of Labor Statistics Public Data APIHEALTHY91Spaceflight NewsHEALTHY63
Uptime · 30d
Uptime · 90d96.1%95.1%
Uptime · 30d93.3%91.7%
P50 · ms516864
P95 · ms13544497
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified (links/metadata for third-party news)
Free tierFree — limits not publishedFree — no key
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Bureau of Labor Statistics Public Data API vs Spaceflight News: common questions

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

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 Spaceflight News at 95.1% 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 Spaceflight News?

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 Spaceflight News at 864 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 Spaceflight News need an API key?

Neither needs a paid key — Bureau of Labor Statistics Public Data API is callable with no signup, and Spaceflight News 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 Spaceflight News from the browser?

Only Spaceflight News is browser-friendly — it returns CORS headers over HTTPS. Bureau of Labor Statistics Public Data API needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Bureau of Labor Statistics Public Data API and Spaceflight News free for commercial use?

Bureau of Labor Statistics Public Data API has unclear commercial terms, and Spaceflight News 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.