x402helper.xyz/test-billing

Paid test endpoint — verifies that AI agents can successfully complete x402 micropayments

Endpoint	`https://x402helper.xyz/test-billing`
Trust	✓ Verified callable · 100% uptime over 1 checks · ~1078 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	0x3803A19280DeeFe533D177C4A169412BD341101b
method	GET
last updated	2026-11-11T13:31:31.479Z

Use it

Call it (an x402 client pays automatically)

curl -i https://x402helper.xyz/test-billing
# 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-d84f5b4937dac6b7

Search the whole marketplace from your agent (MCP)

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