AI agents are starting to spend money on their own. Through x402, an open payment standard backed by the Linux Foundation, agents can discover services, compare pricing, and pay in crypto microtransactions without human approval at any step.
The protocol processed roughly 75 million payments totaling $24 million over a recent 30-day period, according to CryptoSlate, averaging about $0.32 per transaction. The numbers look like a functioning economy. The reality is murkier.
The Coinbase Employee Who Forgot His Agent Had a Wallet
Lincoln Murr, who leads AI product work at Coinbase, told CryptoSlate he asked his AI agent to send Twitter articles to his Kindle. The agent scraped the articles with Firecrawl when Twitter blocked direct access, uploaded the result to Stable Upload, and paid both services in small crypto increments. Murr said he had “genuinely forgotten the agent even had a crypto wallet.”
Both Firecrawl and Stable Upload accept x402 payments. The agent picked both vendors, negotiated the transactions, and completed the task with zero human intervention.
How x402 Works
Most AI tools today require a developer to open an account, generate an API key, and pre-fund credits before an agent can use them. x402 inverts that. An agent given a high-level task shops for capabilities during the work itself. The wallet serves as both the agent’s identity and its payment method, replacing the entire API key ritual.
Coinbase contributed the original x402 protocol. The Linux Foundation launched the x402 Foundation in April with backers including AWS, Stripe, Visa, Mastercard, American Express, Shopify, Google, Microsoft, and Cloudflare.
Coinbase’s Bazaar marketplace now indexes over 10,000 paid tools that agents can search and call directly. AWS added x402 support to CloudFront in June. Cloudflare launched its version in July.
The $187,861 Problem
A population-scale study published in July complicates the headline numbers. Researchers found that a large share of on-chain x402 settlement activity was either fictitious or occurred within linked internal clusters.
Of the $24 million in total volume, only $187,861 could be verified as payments to identifiable independent services. Another $20.07 million could be genuine, but researchers could not rule out undiscovered links between the wallets involved.
The gap between $24 million in headline volume and $187,861 in verified independent payments is significant. It suggests the agentic payment infrastructure is running well ahead of actual agent demand.
Attention Economy to Utility Economy
Murr framed the broader shift as a transition from attention-based economics to utility-based pricing. Agents cannot see ads. They cannot be marketed to through banner placements or sponsored content. The alternative is charging them directly for access.
Cloudflare and AWS together sit in front of roughly half of global internet traffic. If both enforce x402 payment requirements, agents would need wallets just to read web pages.
Murr argued this could erode subscription models. A flat monthly fee primarily benefits the business collecting it. A world where a million agents each pay a cent per API call opens something closer to walk-in retail: frictionless, one-off, and open to any vendor.
The Trust Verification Gap
The infrastructure is running well ahead of verified demand. At the scale implied by the $24 million headline, actual independent agent spending remains a rounding error. Murr acknowledged this directly, telling CryptoSlate that not enough people currently carry wallets that make small agent purchases routine.
Coinbase wants to become what Murr called “the backbone of the agentic economy,” holding accounts, settlement rails, and the discovery layer simultaneously. That ambition depends on agents consistently generating value that exceeds their spending, something no one has proven at scale yet.