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.
| Endpoint | https://rexvalidate.com/api/agent/v1/ip-to-zip |
| Trust | Not checked yet |
| Pricing | Pay per call with x402, no account. Call it to get an exact quote before paying. |
| network | eip155:8453 |
| scheme | exact |
| pay to | 0x362e811d2047e41C52639622F62fBa07521637D7 |
| method | POST |
| last updated | 2026-11-09T19:15:31.393Z |
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-SIGNATUREThis listing as JSON
curl https://aipaygen.com/v1/catalog/api/x402-71547c03a9cea3f3Search the whole marketplace from your agent (MCP)
{
"mcpServers": {
"aipaygen": {
"url": "https://aipaygen.com/mcp"
}
}
}