Circle has launched Nanopayments on testnet, offering developers a new infrastructure layer for ultra-small, gas-free USDC transactions.
The product is built on Circle Gateway and designed to serve the emerging agentic economy, where AI agents and autonomous software need to make rapid, sub-cent payments for services such as pay-per-call APIs, usage-based billing, and machine-to-machine marketplaces.
The core challenge Nanopayments aims to solve is an economic one. Traditional payment rails carry fixed fees and overhead that make sub-cent transactions impractical, while even low-cost blockchain transactions can impose fees that dwarf the payment itself.
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