Marketplace · API · x402

fractalai.net.co/api/x402/attest-decision

Pay-per-Attestation: an AI agent pays to seal its own decision (input hash, output, model, timestamp) in FractalAI's post-quantum L1 — Dilithium-3 (NIST FIPS 204) signed, Black-Box chained; on-chain anchoring (VAID-1) is attempted per call and reported in the response. Returns a re-verifiable receipt. Built for EU AI Act Art.12 record-keeping. x402-native.

Endpoint	`https://fractalai.net.co/api/x402/attest-decision`
Trust	✓ Verified callable · 100% uptime over 1 checks · ~788 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	2026-11-01T06:06:06.246Z

Use it

Call it (an x402 client pays automatically)

curl -i https://fractalai.net.co/api/x402/attest-decision
# 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-fa7759d4ca95dcc2

Search the whole marketplace from your agent (MCP)

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