Marketplace · API · x402

api.agentmercantile.com/v1/payment-authority-snapshot

Produce a factual snapshot of current x402 payment authority for one unpaid v2 requirement and one public EVM payer: selected scheme/network/asset/amount/payTo/transfer method, same-block token balance, canonical token-spender allowance when that path applies, and declared recovery-path classification. Does not sign, approve, construct a transaction, judge native gas, or recommend whether to buy.

Endpoint	`https://api.agentmercantile.com/v1/payment-authority-snapshot`
Trust	100% uptime over 1 checks · ~564 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	0xdb7b2b54f80479826222749a2ea73a8acc306e1e
method	POST
last updated	2026-11-04T00:56:03.104Z

Use it

Call it (an x402 client pays automatically)

curl -i https://api.agentmercantile.com/v1/payment-authority-snapshot
# 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/x402-3216800c1859246d

Search the whole marketplace from your agent (MCP)

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