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Cisco Spark vs Grass Touch API

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

APICisco SparkNEW—Grass Touch APINEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSyesno
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

Cisco Spark vs Grass Touch API: common questions

Which is more reliable, Cisco Spark or Grass Touch API?

On our scheduled checks, Grass Touch API leads on measured uptime — Cisco Spark 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 Cisco Spark and Grass Touch API need an API key?

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

Can I call Cisco Spark and Grass Touch API from the browser?

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

Are Cisco Spark and Grass Touch API free for commercial use?

Cisco Spark 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.