Marketplace · API · x402

api.402rates.com/v1/ping

Payment integration check for 0.001 USDC; no external data lookup. Returns time, rail, network mode and free/paid capabilities. HTTP payment options can include Base, Polygon, Arbitrum and XDC; the challenge lists currently available networks for each transport. The receipt identifies the paid network and transaction. Business/professional use only. Terms: https://402rates.com/data-terms/

Endpoint	`https://api.402rates.com/v1/ping`
Trust	✓ Verified callable · 100% uptime over 1 checks · ~148 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	0xf567Cfe0FDb87A1D6Ca330e3f30f0D3DA0F7cb98
method	GET
last updated	2026-11-12T15:18:49.931Z

Use it

Call it (an x402 client pays automatically)

curl -i https://api.402rates.com/v1/ping
# 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/x402-499e79920fb0ebad

Search the whole marketplace from your agent (MCP)

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