Marketplace · API · x402

data.greeneris.io/v1/geo/postal

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.

Endpointhttps://data.greeneris.io/v1/geo/postal
Trust✓ Verified callable · 100% uptime over 1 checks · ~679 ms
PricingPay per call with x402, no account. Call it to get an exact quote before paying.
networkeip155:8453
schemeexact
pay to0x6ab8efe305cce67daa48c97bde29c04402822dff
methodGET
last updated2026-10-30T18:40:59.936Z

Use it

Call it (an x402 client pays automatically)

curl -i https://data.greeneris.io/v1/geo/postal
# 402 reply -> sign PAYMENT-REQUIRED with an x402 client (e.g. @x402/fetch) -> retry with PAYMENT-SIGNATURE

This listing as JSON

curl https://aipaygen.com/v1/catalog/api/x402-0b5ce4b13af73156

Search the whole marketplace from your agent (MCP)

{
  "mcpServers": {
    "aipaygen": {
      "url": "https://aipaygen.com/mcp"
    }
  }
}