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Bluesky vs BulkSMS JSON REST API

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

APIBlueskyNEW—BulkSMS JSON REST APINEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
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 BulkSMS JSON REST API: common questions

Which is more reliable, Bluesky or BulkSMS JSON REST API?

On our scheduled checks, BulkSMS JSON REST API leads on measured uptime — Bluesky at —% versus BulkSMS JSON REST API 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 BulkSMS JSON REST API need an API key?

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

Can I call Bluesky and BulkSMS JSON REST API from the browser?

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

Are Bluesky and BulkSMS JSON REST API free for commercial use?

Bluesky has unclear commercial terms, and BulkSMS JSON REST API 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.