MoonPay launches PayBox vault for AI-driven crypto payments

On Wednesday, July 29, 2026, cryptocurrency infrastructure firm MoonPay launched a new product called PayBox, a payment vault designed to connect popular artificial intelligence assistants like ChatGPT and Claude directly to financial transactions. The service allows users to execute crypto purchases, token swaps, and everyday commerce using natural language commands while maintaining control of their assets.

PayBox functions as a custom connector within AI platforms. A user can type a request, such as moving funds into a stablecoin or booking a restaurant reservation, and the AI assistant prepares the transaction. The user must then approve it with a passkey before any money moves. The system is built on a non-custodial architecture where neither MoonPay nor the AI can independently access a user’s full private keys. Wallet keys are split using multiparty computation (MPC) and secured in hardware enclaves, a security infrastructure provided by Sodot, a key-management company MoonPay acquired earlier this year.

The product aims to close a significant gap for AI agents, which have historically been able to research and recommend actions but required a handoff to a separate...