FractalAI Know-Your-Agent

fractalai.net.co · x402

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.

Name and description as published by x402 Bazaar

Live

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

answered, last 24 hours: 100%
answered, last 30 days: 100%

5 different wallets paid it in the last 30 days, as the x402 Bazaar reports. Payments

How addrbook checks →

Connect

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

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 26 Oct, 05:59 UTC
Wallets named: 0xc13789e82661635d9cea38a53a0390cf9939ef4fnamed by x402 Bazaar
Listed since: 25 Oct 2026, 17:50 UTC

Payments

different wallets paid it, last 30 days: 5
paid calls, last 30 days: 18
last paid call (UTC): 25 Oct, 06:08

As the x402 Bazaar reports, from payments Coinbase's facilitator settled. Read 26 Oct 2026, 05:59 UTC. addrbook has not counted these payments itself.

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

Checks by endpoint

Host	Protocol	State	Last checked (UTC)	Last answered (UTC)	24 hours	30 days	Tools
fractalai.net.co	x402	Live	25 Oct, 18:18	25 Oct, 18:18	100%	100%	—

Also listed as

Other entries that share an endpoint with this one.

fractalai.net.co