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BulkSMS JSON REST API vs Grass Touch API

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

APIBulkSMS JSON REST APINEW—Grass Touch APINEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

BulkSMS JSON REST API vs Grass Touch API: common questions

Which is more reliable, BulkSMS JSON REST API or Grass Touch API?

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

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

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

Neither sends browser-friendly CORS headers reliably, so call BulkSMS JSON REST API and Grass Touch API from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are BulkSMS JSON REST API and Grass Touch API free for commercial use?

BulkSMS JSON REST API has unclear commercial terms, and Grass Touch 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.