aura-revenue.helionixlabs.com/x402/audit/x402-preflight

Aura deterministic x402 purchase preflight from supplied OpenAPI metadata

Endpoint	`https://aura-revenue.helionixlabs.com/x402/audit/x402-preflight`
Trust	100% uptime over 1 checks · ~440 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	0x56a093255D6E0536109b5F255Fc71Bb74BfE5838
method	POST
last updated	2026-10-23T23:33:17.602Z

Use it

Call it (an x402 client pays automatically)

curl -i https://aura-revenue.helionixlabs.com/x402/audit/x402-preflight
# 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/x402-5882a208cba5ad8d

Search the whole marketplace from your agent (MCP)

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