Bluesky vs Bufferapp

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

Uptime · 30d
Uptime · 90d97.1%100%
Uptime · 30d100%100%
P50 · ms268547
P95 · ms12001124
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — public AppView, no keyFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Bluesky vs Bufferapp: common questions

Which is more reliable, Bluesky or Bufferapp?

On our scheduled checks, Bufferapp leads on measured uptime — Bluesky at 97.1% versus Bufferapp at 100% 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, Bluesky or Bufferapp?

Bluesky has the lower median latency in our checks — Bluesky responds in 268 ms versus Bufferapp at 547 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 Bluesky and Bufferapp need an API key?

Bluesky needs no key, while Bufferapp requires a free API key. If you want to start calling without signup, reach for Bluesky first.

Can I call Bluesky and Bufferapp from the browser?

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

Are Bluesky and Bufferapp free for commercial use?

Bluesky has unclear commercial terms, and Bufferapp 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.