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Arbeitnow vs Bluesky

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

APIArbeitnowNEW—BlueskyNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — no key requiredFree — public AppView, no key
Rate limit5 req/window · 4 remainingUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Arbeitnow vs Bluesky: common questions

Which is more reliable, Arbeitnow or Bluesky?

On our scheduled checks, Bluesky leads on measured uptime — Arbeitnow at —% versus Bluesky at —% 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 Arbeitnow and Bluesky need an API key?

Neither needs a paid key — Arbeitnow is callable with no signup, and Bluesky is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Arbeitnow and Bluesky from the browser?

Yes — both Arbeitnow and Bluesky send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are Arbeitnow and Bluesky free for commercial use?

Arbeitnow has unclear commercial terms, and Bluesky 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.