shipapis
StarSubmit an APISubmit API

GOV.UK Pay API vs Tomba email finder

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

APIGOV.UK Pay APINEW—Tomba email finderNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeyapiKey
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

GOV.UK Pay API vs Tomba email finder: common questions

Which is more reliable, GOV.UK Pay API or Tomba email finder?

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

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

Only Tomba email finder is browser-friendly — it returns CORS headers over HTTPS. GOV.UK Pay API needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are GOV.UK Pay API and Tomba email finder free for commercial use?

GOV.UK Pay API has unclear commercial terms, and Tomba email finder 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.