Marketplace · API · x402

api.duoleads.com/v1/ref/airport

Airport lookup by IATA or ICAO code: get the airport's name, city, country, ISO 3166-2 region code, WGS-84 coordinates, elevation and IANA time zone, or find the nearest airports to a coordinate within a radius. Covers every airport worldwide that holds a three-letter IATA code and scheduled service. Returns the code type that matched and the distance in kilometres for proximity results.

Endpoint	`https://api.duoleads.com/v1/ref/airport`
Trust	✓ Verified callable · 100% uptime over 1 checks · ~420 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	0xCD673f7e1daD254347AEab6be0DEFe8b9C6b3A39
method	GET
last updated	2026-10-27T02:17:53.426Z

Use it

Call it (an x402 client pays automatically)

curl -i https://api.duoleads.com/v1/ref/airport
# 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-ef8e1a3bead1721c

Search the whole marketplace from your agent (MCP)

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