Payments are solved. Identity isn't.

Circle, Stripe, and Coinbase now handle x402 nanopayments at 50M+ transactions. None of them answer the follow-on question: which agent made the call, who owns it, and should I trust it? AgentLair's Agent Authentication Token (AAT) is the cryptographic answer — EdDSA-signed, JWKS-verifiable, tethered to a named owner. Identity that travels with every payment.

# Circle / Stripe / Coinbase handle the payment.
# AgentLair answers: which agent sent it?

curl https://agentlair.dev/v1/trust/acc_abc123 \
  -H "Authorization: Bearer <AAT>"
# → 200 OK: identity verified, trust score 94, owner: hakon@example.com
# → 403: agent unknown — no registered identity, reject or charge more