StreetRailStreet dance merch · settled on ArcSettling in USDC
Wallet unavailableAIsa · A2A · AP2 · UCP
Let agents negotiate.
A buyer agent and a seller agent negotiate a streetwear deal in natural language. The seller emits an AP2 cart mandate and an x402 payment requirement. The buyer agent settles on Arc Testnet — all visible, all on-chain.
- A2A 0.3message/send task loop
- AP2signed cart mandate
- x402402 challenge + settle
- Arcon-chain receipt
Loading catalog…
No deal yet
Run the agents, then settle the deal — the Arc transaction receipt appears right here and stays pinned while you scroll the transcript.
Under the hood
Agent marketplace discovery
GET api.circle.com/v2/x402/discovery/resources — keyless, public. The buyer agent picks a payment rail from this catalog instead of a hardcoded endpoint.
Scanning the marketplace…