Coinbase-backed x402 V2 links Base, Solana and cards for AI-native payments

Posted On December 12, 2025

Coinbase-backed x402 V2 adds multi-chain routing, wallet sessions and discovery so AI agents and web services can settle HTTP 402 payments across crypto and legacy rails. The x402 payments protocol, incubated by Coinbase for autonomous machine-to-machine transactions, released its V2…