The rollout supports transfers as small as $0.000001 on Ethereum, Solana, Arbitrum, Base, Optimism, Polygon and Sonic, targeting AI agents and micro-transactions.
Circle has launched gas-free USDC nanopayments on mainnet across seven blockchain networks: Ethereum, Solana, Arbitrum, Base, Optimism, Polygon and Sonic. The service supports transfers down to $0.000001, positioning it for AI agents and micro-transactions that require very small payment sizes. By removing gas fees (network transaction charges), the rollout addresses a common barrier to low-value blockchain payments, where transaction costs can exceed the payment itself. The move expands practical payment use cases for USDC, a U.S. dollar-pegged stablecoin, across multiple major networks.