Marketplace · API · x402

1gateway.dev/v1/fx/rates

Use when you need an official daily FX rate or currency conversion (USD, EUR, KRW, JPY, CNY, GBP + 24 more). Input: base (default EUR), optional symbols (comma list), date (YYYY-MM-DD, last ~90 days; weekends use the prior fixing), amount. Output: JSON rates for the fixing date, % change vs prior fixing, converted amounts, raw ECB EUR rates. Source: ECB statistics, updated each TARGET day ~16:00 CET; reference only. Example: ?base=USD&symbols=KRW,JPY&amount=100

Endpointhttps://1gateway.dev/v1/fx/rates
Trust✓ Verified callable · 100% uptime over 1 checks · ~1221 ms
PricingPay per call with x402, no account. Call it to get an exact quote before paying.
networkeip155:8453
schemeexact
pay to0x6246eee0355Dd7A93C888fE59e1151388A0cC5a1
methodGET
last updated2026-11-12T17:51:26.143Z

Use it

Call it (an x402 client pays automatically)

curl -i https://1gateway.dev/v1/fx/rates
# 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/x402-2630daa1c666ca6e

Search the whole marketplace from your agent (MCP)

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