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Coinnect vs ExchangeRate-API (open)

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

APICoinnectNEW—ExchangeRate-API (open)NEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
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 ExchangeRate-API (open): common questions

Which is more reliable, Coinnect or ExchangeRate-API (open)?

On our scheduled checks, ExchangeRate-API (open) leads on measured uptime — Coinnect at —% versus ExchangeRate-API (open) 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 Coinnect and ExchangeRate-API (open) need an API key?

ExchangeRate-API (open) needs no key, while Coinnect requires a free API key. If you want to start calling without signup, reach for ExchangeRate-API (open) first.

Can I call Coinnect and ExchangeRate-API (open) from the browser?

Only ExchangeRate-API (open) 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 ExchangeRate-API (open) free for commercial use?

Coinnect has unclear commercial terms, and ExchangeRate-API (open) 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.