rewrite this title MoonPay Lets AI Agents Transact with PayBox – Finovate

MoonPay launched PayBox, enabling ChatGPT and Claude users to authorize AI agents to make purchases, trade tokens, interact with DeFi, and move assets using natural language.

The platform combines Visa’s agentic commerce protocol, x402, and cryptographic security to let AI transact while keeping users’ card details and wallet keys protected.

PayBox reflects the growing shift toward agentic commerce, as companies build the payment infrastructure that will enable AI agents to transact safely on users’ behalf.

Stablecoin infrastructure provider MoonPay launched PayBox this week. The new payment vault allows users’ AI agents to trade tokens, bridge assets, interact with DeFi, and transact online without leaving the conversation.

The new capability enables Claude and ChatGPT users with a PayBox connector to offer their AI the ability to transact by describing what they want in natural language. In addition to requesting their AI to make purchases like booking a flight, customers can also ask things like, “Maximize yield using Aave” or “Onramp $100 into PYUSD.” 

After the user installs PayBox on Claude or ChatGPT, the AI prepares the transaction, then the user approves the transaction with a passkey and PayBox moves the money without having to involve a developer tool or third party. MoonPay is using x402, an open protocol that enables AI agents and web services to initiate and settle payments programmatically across the internet, to allow AI to pay any service on the consumer’s behalf.

PayBox works with two payment methods, cards and wallets, both of which are kept secure. MoonPay leverages Visa’s agentic commerce protocol to avoid seeing or storing full payment details, while wallet keys are protected by threshold cryptography and secure enclaves. These protections never offer MoonPay or the agent access the full private key or allow the agent to sign transactions without user approval.

Users can choose between an approval mode, in which every transaction requires passkey confirmation, or an autonomous mode that lets AI agents complete transactions within user-defined spending limits and policies. Even in autonomous mode, the agent never gains access to users’ card credentials or wallet private keys.

“The card hid the cash. The phone hid the card. This is the era where money disappears into conversation,” said MoonPay CEO and Founder Ivan Soto-Wright. “Billions of AI agents are coming online, and every one of them will need to hold, move, and spend money safely. Someone had to build the trust layer for that world. We just did. PayBox is the product that MoonPay was built to make.”

Agentic commerce is moving beyond experimentation as AI assistants are starting to complete transactions on users’ behalf. To capture this opportunity, companies are racing to provide the payment layer for AI agents, especially as stablecoin infrastructure, payment networks such as Visa, and emerging standards like x402 continue to converge.

PayBox is launching with support for Solana, Ethereum, Hyperliquid, Tempo, Base, Robinhood Chain, Arbitrum, and Polygon, with plans to add more chains. The first PayBox integrations are already live, and MoonPay expects to introduce additional use cases every week. Additionally, MoonPay noted that support for AI platforms beyond Claude and ChatGPT is coming soon.

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