Circle Gives AI Agents USDC Stablecoin Powers Alongside $222M Arc Token Sale

In brief

• Circle launched Agent Stack, a suite of tools letting AI agents autonomously hold funds, make payments, and hire other services using USDC stablecoins.
• Key products include agent wallets, a marketplace, and a nanopayments protocol capable of transfers as small as $0.000001.
• Circle is positioning AI agents themselves, not just human developers, as the primary customers for its financial infrastructure.

Circle Internet Group made a series of sizable announcements Monday, including reporting its quarterly earnings and announcing a $222 million token sale that values its Arc network at $3 billion. On top of that, the firm also said that it has launched tools to let AI agents handle and spend its prominent USDC stablecoin.

The firm announced the launch of Circle Agent Stack, a collection of developer tools and services built for the growing agentic economy—where AI agents can open wallets, make payments, and hire other software services entirely on their own.

The initial product lineup includes agent wallets, a command-line interface, an agent marketplace, and a nanopayments protocol capable of processing USDC transfers as small as $0.000001 at high speed and without gas fees. That last feature is designed for the kind of high-frequency, machine-to-machine micropayments that would be impractical—and often impossible—using conventional banking rails.

The announcement reflects a broader industry wager that the infrastructure underpinning AI agents must be rebuilt from scratch. Traditional financial systems were designed around human users—with manual onboarding, approval workflows, and payment processes that software operating autonomously simply cannot navigate.

“Financial infrastructure has historically been built for people, with manual onboarding, approvals, and payment flows that were never designed for software acting on its own,” said Circle co-founder, CEO, and Chairman Jeremy Allaire, in a statement. “We believe the next phase of the global economy will be increasingly AI and agent-driven. The launch of Circle Agent Stack is exciting as it’s the first full suite of services we’re launching where AI agents themselves are the customers, not just developers and enterprises.”