Circle launches 'Agent Stack' for AI agent wallets and USDC payments

USDC issuer Circle has launched "Agent Stack," a developer toolkit that enables artificial intelligence (AI) agents to hold wallets, explore services, and make automatic payments with USDC, Cointelegraph reported. The stack includes dedicated wallets for AI agents, a developer interface, an agent service marketplace, and a nanopayment protocol for machine-to-machine payments.