Open Payment Standard x402 Expands Capabilities in Major Upgrade
x402 V2 expands the open payment standard with wallet-based identity, automatic API discovery, multi-chain and fiat support, dynamic recipients, and a modular SDK.
When Machines Pay Machines: The Economics of Agentic AI
x402 integrates payments into HTTP enabling automated, accountless, cryptographic micropayments between AI agents and APIs, with Tempo providing dedicated blockchain settlement.