addrbookFor publishers
← Directory

FractalAI Notary

fractalai.net.co · x402

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.
Name and description as published by x402 Bazaar

Live

Last successful check: 25 Oct 2026, 18:19 UTC.

answered, last 24 hours
100%
answered, last 30 days
100%
How addrbook checks →

Connect

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

x402: an unpaid request gets a 402 with the price and pay-to wallet. addrbook never pays.

Who's behind it

Listed by
  • x402 Bazaarlast seen UTC
Wallets named
  • 0xc13789e82661635d9cea38a53a0390cf9939ef4fnamed by x402 Bazaar
Listed since

Payments

different wallets paid it, last 30 days
5
paid calls, last 30 days
18
last paid call (UTC)

As the x402 Bazaar reports, from payments Coinbase's facilitator settled. Read . addrbook has not counted these payments itself.

Its x402 endpoints have not listed a payment option addrbook could read yet.

Checks by endpoint

HostProtocolStateLast checked (UTC)Last answered (UTC)24 hours30 daysTools
fractalai.net.cox402Live100%100%—

Also listed as

Other entries that share an endpoint with this one.