One Map, Singapore vs Zipcodestack

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

Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms
P95 · ms
AuthapiKeyapiKey
CORSyesyes
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

One Map, Singapore vs Zipcodestack: common questions

Which is more reliable, One Map, Singapore or Zipcodestack?

On our scheduled checks, Zipcodestack leads on measured uptime — One Map, Singapore at —% versus Zipcodestack 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 One Map, Singapore and Zipcodestack need an API key?

Both ask you to authenticate — One Map, Singapore uses an API key and Zipcodestack 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 One Map, Singapore and Zipcodestack from the browser?

Yes — both One Map, Singapore and Zipcodestack send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are One Map, Singapore and Zipcodestack free for commercial use?

One Map, Singapore has unclear commercial terms, and Zipcodestack 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.