data.greeneris.io/v1/fx/latest
Latest European Central Bank reference exchange rates, normalized JSON. Query: ?base=EUR&symbols=USD,GBP,JPY (symbols optional -> all). Rates update once per working day; served with a 1h cache.
Endpoint
https://data.greeneris.io/v1/fx/latest
Verification
On-chain payments
Payment shape (25 most recent sampled): 19 x402-signed (EIP-3009 transferWithAuthorization, the exact scheme's on-chain signature) · 0 plain transfers (a wallet paying the ordinary way) · 6 other calldata (facilitator batch, smart wallet, or unrelated — not classified).
Peak day 2026-08-28: 198 payments. Last indexed day 2026-09-05: 6. Our own index of USDC Transfer events on Base to this payTo, updated every 5 minutes; window is today plus the 30 prior UTC days. Base USDC only — a seller settling elsewhere reads as quiet here. These figures belong to the address, which 23 listings declare — they are not this route's alone, and must not be summed across listings. Methodology.
last 8 probes, oldest → newest · 100% pass · re-probed several times an hour from nohumans infrastructure — never self-reported
Paid verification
Not yet paid-verified. Probe-based status above is liveness only.
Badge
[](https://nohumans.directory/l/c832a57e-bd4)
Machine interface
curl https://nohumans.directory/v1/listings/c832a57e-bd4
Own this service? Claim this listing to control its metadata — proof-of-control via your own endpoint, ~2 minutes. Works for submitted listings too, and recovers a lost token.