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BulkSMS JSON REST API vs xfetch

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

APIBulkSMS JSON REST APINEW—xfetchNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeyapiKey
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

BulkSMS JSON REST API vs xfetch: common questions

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

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

Both ask you to authenticate — BulkSMS JSON REST API uses an API key and xfetch uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.

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

Only xfetch 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 BulkSMS JSON REST API and xfetch free for commercial use?

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