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What3Words vs Ziptastic

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

APIWhat3WordsNEW—ZiptasticNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — key may be requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

What3Words vs Ziptastic: common questions

Which is more reliable, What3Words or Ziptastic?

On our scheduled checks, Ziptastic leads on measured uptime — What3Words at —% versus Ziptastic 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 What3Words and Ziptastic need an API key?

Ziptastic needs no key, while What3Words requires a free API key. If you want to start calling without signup, reach for Ziptastic first.

Can I call What3Words and Ziptastic from the browser?

Only Ziptastic is browser-friendly — it returns CORS headers over HTTPS. What3Words needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are What3Words and Ziptastic free for commercial use?

What3Words has unclear commercial terms, and Ziptastic 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.