Google’s new payments protocol lets AI agents transact using stablecoins, bridging Big Tech, crypto, and autonomous machine-to-machine commerce.
Google is pulling stablecoins into the financial mainstream. On Tuesday, the tech giant launched a new open-source payments protocol that lets AI apps send and receive money. It supports traditional methods like credit and debit cards. But the key feature is stablecoin integration.
According to Coinbase CEO Brian Armstrong, one of the protocol’s developers, the move takes AI payments to the next level, allowing AI agents to pay each other directly.
Google has developed its Agentic Payments Protocol (AP2) in collaboration with Coinbase, which has been working on its own AI and crypto payments tools, including the x402 payments protocol. Additionally, the Ethereum Foundation has contributed to the project, alongside more than 60 companies such as Salesforce, American Express, and Etsy.
“The way we built it is from the ground up to factor in both heritage and existing payment rail capabilities as well as forthcoming capabilities such as stablecoins,” James Tromans, head of Web3 at Google Cloud, told Fortune.
This launch expands on a protocol Google released in April that allows AI agents to communicate. The new version adds payments. In practice, this means that digital assistants could buy products online, or AI financial advisors could handle transactions directly with banks. Humans stay in control, but the agents can do the legwork.
Coinbase confirmed its own payments system now works with Google’s. “We’re all working to figure out how we can make AI transmit value to each other,” Erik Reppel, head of engineering at Coinbase’s developer platform, said.
The announcement positions stablecoins as a natural medium for AI-driven commerce. Fast, programmable, and global, they fit the needs of AI better than legacy rails alone.
And the timing here also matters. A more crypto-friendly U.S. administration has encouraged other tech firms to test the waters.
Shopify announced in June that it would roll out stablecoin payments later this year. Meta, Airbnb, and Apple are exploring similar moves.
On the Flipside
* AI agents handling real money create new attack surfaces, and even small bugs or misconfigurations could be exploited.
Why This Matters
For crypto, Google’s decision is a turning point. It shows Big Tech no longer views stablecoins as an experiment. They are becoming part of the core infrastructure for the digital economy. And as AI agents start to handle more of our transactions, stablecoins could be the currency they use most.
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