api-staging.vapinetwork.ai/x402/decode

Decode what an EVM payment authorization actually authorizes before signing.

Endpoint	`https://api-staging.vapinetwork.ai/x402/decode`
Trust	100% uptime over 1 checks · ~140 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	0x6B7B3cb62a2D7d232Bf5e0D030676bfb4F9Ba4E5
method	POST
last updated	2026-10-30T07:19:15.866Z

Use it

Call it (an x402 client pays automatically)

curl -i https://api-staging.vapinetwork.ai/x402/decode
# 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-d7cb5b94fce1a2fd

Search the whole marketplace from your agent (MCP)

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