One Map, Singapore vs SLF

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

Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms
P95 · ms
AuthapiKeynone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — static file, no key
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

One Map, Singapore vs SLF: common questions

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

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

SLF needs no key, while One Map, Singapore requires a free API key. If you want to start calling without signup, reach for SLF first.

Can I call One Map, Singapore and SLF from the browser?

Yes — both One Map, Singapore and SLF 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 SLF free for commercial use?

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