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GOV.UK Pay API vs CoinGecko

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

APIGOV.UK Pay APINEW—CoinGeckoDEGRADED—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeyapiKey
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedProprietary — attribution required
Free tierFree tier — API key required10k calls/mo demo key, no card
Rate limitUnpublished~30/min, tightens under load
In directory since2026-07-052026-05-02
operationalpartialdownno data

GOV.UK Pay API vs CoinGecko: common questions

Which is more reliable, GOV.UK Pay API or CoinGecko?

On our scheduled checks, CoinGecko leads on measured uptime — GOV.UK Pay API at —% versus CoinGecko 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 GOV.UK Pay API and CoinGecko need an API key?

Both ask you to authenticate — GOV.UK Pay API uses an API key and CoinGecko 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 GOV.UK Pay API and CoinGecko from the browser?

Neither sends browser-friendly CORS headers reliably, so call GOV.UK Pay API and CoinGecko from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are GOV.UK Pay API and CoinGecko free for commercial use?

GOV.UK Pay API has unclear commercial terms, and CoinGecko 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.