Marketplace · API · x402

api.agentmercantile.com/v1/allowance-exposure

Inspect one Base ERC-20 owner/token/spender allowance with same-block balance and token metadata plus factual exposure flags. No wallet access, signing, or transaction execution. Call when you need a same-block Base allowance-versus-balance snapshot for one owner/token/spender triple.

Endpointhttps://api.agentmercantile.com/v1/allowance-exposure
Trust100% uptime over 1 checks · ~1003 ms
PricingPay per call with x402, no account. Call it to get an exact quote before paying.
networkeip155:8453
schemeexact
pay to0xdb7b2b54f80479826222749a2ea73a8acc306e1e
methodPOST
last updated2026-10-25T19:17:55.425Z

Use it

Call it (an x402 client pays automatically)

curl -i https://api.agentmercantile.com/v1/allowance-exposure
# 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/x402-2152d90f6c36d945

Search the whole marketplace from your agent (MCP)

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