Prepaid wallet and spending controls for AI agents. Use when you need to (1) register for a funded wallet your owner controls, (2) check your wallet balance, (3) make purchases (wallet debits) within your owner's spending rules, (4) request a top-up from your owner, (5) generate a payment link to charge anyone for a service you performed, or (6) view your transaction history. Your owner funds your wallet and sets strict spending limits; you spend from it.