Marketplace · API · x402

sandbox.node4all.com/v1/x402-test

Node4All Fortune — deterministic fortune reading derived from the x402 payment authorization nonce. Flagship demo of the Node4All x402 v2 payment flow. Operator: Node4All (https://node4all.com). Currency: USDC on Base.

Endpoint	`https://sandbox.node4all.com/v1/x402-test`
Trust	✓ Verified callable · 100% uptime over 1 checks · ~187 ms
Pricing	Pay per call with x402, no account. Call it to get an exact quote before paying.
network	eip155:84532
scheme	exact
pay to	0xd275612Bf0BB35638432c4D95eAA8D5d22346Ca6
method	GET
last updated	2026-11-01T12:07:09.237Z

Use it

Call it (an x402 client pays automatically)

curl -i https://sandbox.node4all.com/v1/x402-test
# 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/x402-6e5f6089c7c61ace

Search the whole marketplace from your agent (MCP)

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