The cryptocurrency exchange Coinbase has rolled out an enhanced version of its stablecoin-based payments protocol for AI agents, known as x402 V2. Announced in a recent blog post, this upgrade marks a significant advance in autonomous payment systems, transitioning from merely understanding its functions to exploring integration possibilities with existing services.
According to Coinbase, the x402 V2 protocol allows developers to merge payment capabilities, facilitate secure access to wallets, and introduce new features through a streamlined, modular design. This follows the earlier introduction of the open-source x402 protocol and the recent launch of a discovery layer for AI agents called x402 Bazaar, which aims to serve as a “Google for agents.”
Coinbase emphasized that the new version expands beyond simple, one-off payments. It incorporates wallet-based identity, which eliminates the need for repayment on every interaction. Additionally, automatic application programming interface (API) discovery and dynamic payment recipient features are now supported, enhancing usability across different blockchain networks and fiat currencies via Chain Agnostic Improvement Proposals (CAIP) standards.
The exchange stated that x402 V2 is designed to be cleaner and more adaptable, ensuring its relevance and efficiency for both agents and users in the future. This update not only streamlines payment models but also enhances wallet access, catering to the evolving demands of digital finance.
As the cryptocurrency landscape continues to evolve, innovations like the x402 V2 protocol position Coinbase at the forefront of integrating AI technology with blockchain capabilities, ultimately driving more efficient transaction processes in the decentralized economy.












































