Marketplace · API · x402

api.eckari.com/v1/locations/us/geographies

Return the US Census Bureau geographies containing a latitude/longitude — state, county, census tract, block group, census block, incorporated place, congressional district and ZIP Code Tabulation Area — each with its FIPS or GEOID. The standard way to attach official US statistical geography to a point. Use when: Which county and census tract is this coordinate in?

Endpoint	`https://api.eckari.com/v1/locations/us/geographies`
Trust	✓ Verified callable · 100% uptime over 1 checks · ~450 ms
Pricing	Pay per call with x402, no account. Call it to get an exact quote before paying.
network	eip155:8453
scheme	exact
pay to	0x9d6b6fdB04040a55d58B24ff4C90C08cf6083C8f
method	GET
last updated	2026-11-11T04:12:31.203Z

Use it

Call it (an x402 client pays automatically)

curl -i https://api.eckari.com/v1/locations/us/geographies
# 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-d7132ed0d046f3ea

Search the whole marketplace from your agent (MCP)

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