Marketplace · API · x402

fractalai.net.co/api/x402/verify-agent

Pay-per-KYA: an agent pays to verify another agent's post-quantum identity + scope credential (Dilithium-2, NIST FIPS 204), with a live FRC-55 on-chain reputation read. ERC-8004-aligned Know Your Agent for autonomous agent-to-agent commerce. x402-native.

Endpoint	`https://fractalai.net.co/api/x402/verify-agent`
Trust	✓ Verified callable · 100% uptime over 1 checks · ~249 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	0xC13789e82661635d9Cea38a53A0390CF9939ef4f
method	POST
last updated	2026-10-28T04:40:42.98Z

Use it

Call it (an x402 client pays automatically)

curl -i https://fractalai.net.co/api/x402/verify-agent
# 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-bd4b90422b8a728e

Search the whole marketplace from your agent (MCP)

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

fractalai.net.co/api/x402/verify-agent

Use it

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