Unusual Units Converter vs World Bank

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

Uptime · 30d
Uptime · 90d100%96.1%
Uptime · 30d100%96.7%
P50 · ms103215
P95 · ms2181664
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearyes
Data licenseUnverifiedCC BY 4.0
Free tierFree — limits not publishedFree — no API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Unusual Units Converter vs World Bank: common questions

Which is more reliable, Unusual Units Converter or World Bank?

On our scheduled checks, Unusual Units Converter leads on measured uptime — Unusual Units Converter at 100% versus World Bank at 96.1% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Which is faster, Unusual Units Converter or World Bank?

Unusual Units Converter has the lower median latency in our checks — Unusual Units Converter responds in 103 ms versus World Bank at 215 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.

Do Unusual Units Converter and World Bank need an API key?

Neither needs a paid key — Unusual Units Converter is callable with no signup, and World Bank is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Unusual Units Converter and World Bank from the browser?

Yes — both Unusual Units Converter and World Bank 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 Unusual Units Converter and World Bank free for commercial use?

Unusual Units Converter has unclear commercial terms, and World Bank allows commercial use on its free tier. 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.