AAOS 2.0 API Reference
Build AI agents that discover, authenticate, pay, and transact with services autonomously. The AAOS 2.0 API uses the x402 protocol for per-request micropayments in USDC on Polygon.
Discovery-First
Machine-readable service manifests. Agents find your capabilities in milliseconds.
x402 Micropayments
Pay per request in USDC. No subscriptions, no invoices, no human approval needed.
ZK Verification
Cryptographic receipts and zero-knowledge proofs for every transaction.
Base URL
https://api.aaos2.xyz/v1Integration Flow
DiscoverFind services
AuthenticateGet token
RequestGet 402
PayUSDC transfer
VerifyGet receipt
AccessGet data