the402 endpoint detail

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data.greeneris.io geo postal

https://data.greeneris.io/v1/geo/postal

payable

Postal code resolution for ~60 countries via Zippopotam.us (GeoNames data, CC BY 4.0). Forward: ?country=us&code=90210 -> place names, state, lat/lon. Reverse: ?country=us&state=ca&city=beverly hills -> matching postal codes with coordinates. Unknown codes return found=false (an explicit validation verdict). Cached 30 days.

We sent a real GET request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.001
Network
base
Pay to
0x6ab8efe305cce67daa48c97bde29c04402822dff
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
GET
Response latency
339 ms
Payment options
1 usable of 1
Last checked
2026-08-10T09:09:52.779Z (1d ago)
Category
data

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fdata.greeneris.io%2Fv1%2Fgeo%2Fpostal"