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IsItWater vs One Map, Singapore

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

APIIsItWaterDEAD0One Map, SingaporeDEAD0
Uptime · 30d
Uptime · 90d0.0%0.0%
Uptime · 30d0.0%0.0%
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

IsItWater vs One Map, Singapore: common questions

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

Both are neck-and-neck — IsItWater and One Map, Singapore each measure 0.0% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Do IsItWater and One Map, Singapore need an API key?

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

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

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

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