Coinbase has introduced an improve to its x402 protocol. This permits usage-based pricing for agent AI compute requests, changing the earlier flat-rate pricing mannequin.
In a publish to X on Thursday, Coinbase Developer Platform introduced that the “Upto” scheme is now stay, including that it’s going to assist unlock “variable value companies” for agent AI resembling large-scale language mannequin inference, computing, and information queries.
“Till now, x402 solely supported exact fixed-price funds, which was nice for deterministic APIs, however ended up blocking a complete class of companies whose value relied on utilization, resembling variety of tokens, computation time, or question complexity,” Coinbase Developer Platform mentioned.
“Upto is an EVM implementation and helps all ERC20, and the CDP Facilitator helps totally gasless funds,” it added.
The transfer comes as help for the x402 protocol expands as a variety of corporations put together for future agent tick commerce adoption, which is predicted to create excessive community calls for and require clean funds and near-instantaneous transactions to help agent AI.
Flat price challenge fastened
The Upto scheme permits sellers to set a most worth and consumers to approve costs as much as a specific amount.
On the server aspect, the place prices are variable, the server solely prices what it truly prices to finish the duty. This implies customers is not going to be overcharged and will even pay lower than the desired most worth.
Beforehand, easy and sophisticated requests value the identical quantity, main some customers to overpay or underpay for duties carried out by AI brokers. This improve permits customers to set the worth they’re prepared to pay up entrance for a job, fairly than guessing how a lot brokers suppose it is going to value to finish the duty.
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Possession of the Coinbase-developed protocol was transferred to the nonprofit Linux Basis earlier this month, and main tech corporations together with Google, Microsoft, and Amazon Internet Companies have invested within the protocol by way of the x402 Basis.
Knowledge from Dune Analytics exhibits that regardless of the hype surrounding x402, the community’s adoption price peaked in November earlier than declining in 2026. From November 4th to November tenth, the protocol noticed 13.7 million transactions, its largest week ever.
Nonetheless, the decline has been sharp since then, with weekly buying and selling quantity falling under 1 million in early January, and the decline continued into the primary quarter. As of the final week of March, x402 had simply 112,708 transactions.
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