MoonPay vault enables ChatGPT and Claude users to authorize crypto transactions

Written by Nate Kostarstaff writerReviewed by Robert Lakinstaff editorWritten by Nate Kostarstaff writerReviewed by Robert Lakinstaff editorMoonPay vault enables ChatGPT and Claude users to authorize crypto transactionsLatest NewsPublishedJul 29, 2026MoonPay’s PayBox vault lets ChatGPT and Claude users authorize crypto purchases, token swaps and crosschain transactions while retaining custody of their assets.MoonPay has launched PayBox, a payment vault that lets ChatGPT and Claude users authorize AI to buy crypto, swap tokens and bridge assets from within a conversation while keeping control of their funds.Users connect a crypto wallet and payment methods to ChatGPT or Claude, which prepare transactions such as token swaps, crosschain transfers and DeFi interactions using natural-language prompts. Users can approve each transaction with a passkey or set spending limits that allow the AI to execute certain actions automatically, according to MoonPay.MoonPay said PayBox uses multi-party computation and trusted execution environments to protect wallet keys, preventing either the AI assistant or MoonPay from independently accessing user funds. The platform also lets users require approval for every transaction or allow AI to act autonomously within predefined spending and permission limits.PayBox supports multiple blockchains and payment methods, including debit cards, bank accounts, Apple Pay and PayPal, according to MoonPay. The company said developers can also integrate the payment vault into their own AI applications through its software development kit.Related: OKX launches AI marketplace for autonomous agent economyCoinbase’s x402 gains AI payments tractionPayBox also supports x402, an open payment protocol originally developed by Coinbase that enables AI agents to make internet-native payments. Contributed to the Linux Foundation in April 2026, the protocol is now governed as an open, vendor-neutral industry standard.Coinbase has continued expanding the x402 e…

MoonPay vault enables ChatGPT and Claude users to authorize crypto transactions

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