Marketplace · API · x402

rexvalidate.com/api/agent/v1/ip-to-zip

Rex Validate IP to ZIP Distance returns the approximate straight-line distance in miles between an IP address’s US ZIP location and a supplied US ZIP code. Use it for lead location checks, fraud review, geographic routing and automated agent workflows. Returns mileage without applying a pass/fail distance limit.

Endpointhttps://rexvalidate.com/api/agent/v1/ip-to-zip
TrustNot checked yet
PricingPay per call with x402, no account. Call it to get an exact quote before paying.
networkeip155:8453
schemeexact
pay to0x362e811d2047e41C52639622F62fBa07521637D7
methodPOST
last updated2026-11-09T19:15:31.393Z

Use it

Call it (an x402 client pays automatically)

curl -i https://rexvalidate.com/api/agent/v1/ip-to-zip
# 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/x402-71547c03a9cea3f3

Search the whole marketplace from your agent (MCP)

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