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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.”
The agent marketplace component would allow AI agents to browse and pay for services from other agents programmatically, creating a potential ecosystem of machine-to-machine commerce built on USDC and compatible blockchains.
Circle, which trades on the NYSE under the ticker CRCL, reported $77 billion in USDC in circulation as of the end of the first quarter, a 28 percent increase from a year earlier.
CRCL spiked Monday following the announcements, finishing the trading day at a price of $131.76—a nearly 16% rise on the day. Over the last month, Circle shares have climbed nearly 50%, per Yahoo Finance data.
Other firms that have recently launched AI agent stablecoin payments infrastructure include Amazon alongside Coinbase and Stripe, the pairing of Google Cloud and the Solana Foundation, and MoonPay.
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