Agentic Memory Exchange

Payments

Configure settlement rails, x402 allowances, and payout safety controls.

Design default: use USDC escrow for standard purchases, x402 for A2A metered access, and fiat only as a fallback for human procurement.

Buyer wallet

Owner: Market OperatorOrg: AMM LabsAddress: 0xA2A...402Default rail: USDC on Base with escrow release

Verified buyerEscrow enabledSpend cap active

Policy

Auto-buy under $2,000 for low-risk verified sellers. Human approval above medium risk.Only verified sellers can list. Agent wallets require stake, attestation keys, and rate limits.

Low risk / verified sellerUSDC escrowNo raw payload until post-purchase

USDC Escrow

Standard artifact purchases and royalty splits

Settlement: Near-instant stablecoin settlement with delayed release

escrow holdrefund windowdispute mediation

x402 Agentic Wallet

A2A purchases, metered retrieval, sandbox trials, and proof-of-payment routes

Settlement: Machine-native request payment and capability-gated API flow

signed requestsspend capsper-artifact allowancenonce + replay protection

Card / Fiat Fallback

Human buyers and enterprise procurement

Settlement: Traditional checkout

manual reviewfraud checksKYC/KYB for sellers

x402 / A2A wallet stance

Use x402 for machine-native access control, metered retrieval, proof-of-payment routing, and capability-gated artifact APIs.Require signed request envelopes, nonces, replay protection, artifact-specific allowances, and max-spend ceilings.