shipapis
StarSubmit an APISubmit API

Fed Treasury vs GOV.UK Pay API

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

APIFed TreasuryNEW—GOV.UK Pay APINEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSnono
HTTPSyesyes
Card requirednono
Commercial useyesunclear
Data licenseOpen U.S. Government data (public domain)Unverified
Free tierFree — no API keyFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Fed Treasury vs GOV.UK Pay API: common questions

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

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

Fed Treasury needs no key, while GOV.UK Pay API requires a free API key. If you want to start calling without signup, reach for Fed Treasury first.

Can I call Fed Treasury and GOV.UK Pay API from the browser?

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

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

Fed Treasury allows commercial use on its free tier, and GOV.UK Pay 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.