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Bluesky vs Footer Year Update

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

APIBlueskyNEW—Footer Year UpdateNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — public AppView, no keyFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Bluesky vs Footer Year Update: common questions

Which is more reliable, Bluesky or Footer Year Update?

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

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

Can I call Bluesky and Footer Year Update from the browser?

Only Bluesky is browser-friendly — it returns CORS headers over HTTPS. Footer Year Update needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Bluesky and Footer Year Update free for commercial use?

Bluesky has unclear commercial terms, and Footer Year Update 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.