Coinnect vs Exchange Rates API

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

Uptime · 30d
Uptime · 90d98.0%100%
Uptime · 30d98.3%100%
P50 · ms1419810
P95 · ms37274162
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Coinnect vs Exchange Rates API: common questions

Which is more reliable, Coinnect or Exchange Rates API?

On our scheduled checks, Exchange Rates API leads on measured uptime — Coinnect at 98.0% versus Exchange Rates API at 100% 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, Coinnect or Exchange Rates API?

Exchange Rates API has the lower median latency in our checks — Coinnect responds in 1419 ms versus Exchange Rates API at 810 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 Coinnect and Exchange Rates API need an API key?

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

Can I call Coinnect and Exchange Rates API from the browser?

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

Are Coinnect and Exchange Rates API free for commercial use?

Coinnect has unclear commercial terms, and Exchange Rates API 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.