MoonPay has rolled out PayBox, a new AI payments tool that can be connected to ChatGPT or Claude, according to The Block. The product is designed to let AI assistants prepare transactions for activities such as booking flights, reserving restaurants, and making online purchases. Users can either require passkey approval for every transaction or set spending limits that allow the AI to complete payments on its own.
PayBox combines a crypto wallet with a payment card and supports cross-chain transactions based on the x402 agent payment standard. At launch, it works with Solana and a range of EVM-compatible networks, including Ethereum, Hyperliquid, Tempo, Base, Robinhood Chain, Arbitrum, and Polygon. MoonPay said it plans to add support for more AI platforms and DeFi features, including token swaps and perpetual futures trading, within the next month. The company also said wallet private keys are protected through MPC and TEE, while card information is stored in a way that lets AI agents complete purchases without accessing the underlying card details.
MoonPay has launched PayBox, an AI payments tool that users can plug into ChatGPT or Claude, according to The Block. The product lets AI assistants prepare payment transactions for tasks such as booking flights, reserving restaurants, and handling online shopping.
Users can choose to approve every transaction with a passkey, or set spending limits that allow the AI to complete payments on its own.
Wallet and card functions combined for cross-chain payments
PayBox combines a crypto wallet with a payment card and supports cross-chain transactions based on the x402 agent payment standard. At launch, it supports Solana and EVM-compatible chains including Ethereum, Hyperliquid, Tempo, Base, Robinhood Chain, Arbitrum, and Polygon.
MoonPay said the tool will add support for more AI platforms within the next month, along with DeFi functions such as token swaps and perpetual futures trading.
Security architecture built around MPC and TEE
MoonPay said wallet private keys are protected through multi-party computation, or MPC, and trusted execution environments, or TEE. Under that design, no single party, including MoonPay itself or the AI assistant, can independently access a full private key or sign a transaction.
The company also said payment card information is stored and processed so AI agents can complete purchases without touching the underlying card details. The system is built on the Sodot key management infrastructure that MoonPay acquired earlier this year.
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