Marketplace · API · x402

api.duoleads.com/v1/ref/country

Country lookup: find a country or territory by ISO 3166-1 alpha-2, alpha-3 or numeric code, or by name, and get the other codes, the official and common English names, the UN M49 region and sub-region, the currencies in use, the country-code TLD, and optionally the full ISO 3166-2 subdivision list with each subdivision's type. Also resolves an ISO 3166-2 subdivision code such as NL-NH directly. Names are matched case- and accent-insensitively.

Endpointhttps://api.duoleads.com/v1/ref/country
Trust✓ Verified callable · 100% uptime over 1 checks · ~606 ms
PricingPay per call with x402, no account. Call it to get an exact quote before paying.
networkeip155:8453
schemeexact
pay to0xCD673f7e1daD254347AEab6be0DEFe8b9C6b3A39
methodGET
last updated2026-10-27T02:17:54.21Z

Use it

Call it (an x402 client pays automatically)

curl -i https://api.duoleads.com/v1/ref/country
# 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/x402-2c971f34222946cc

Search the whole marketplace from your agent (MCP)

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

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