preflight.admapu.xyz/v1/fees

Current USDC and USDT transfer fee in USD per chain, bound to a block number with a validity window.

Endpoint	`https://preflight.admapu.xyz/v1/fees`
Trust	Not checked yet
Pricing	Pay per call with x402, no account. Call it to get an exact quote before paying.
network	eip155:8453
scheme	exact
pay to	0xa059055c2e66f35a04E51Ff27A501A903f57Cb71
method	GET
last updated	2026-11-11T08:59:48.59Z

Use it

Call it (an x402 client pays automatically)

curl -i https://preflight.admapu.xyz/v1/fees
# 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-a3651f58e062038e

Search the whole marketplace from your agent (MCP)

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