Coinbase has introduced an improve for the x402 protocol, enabling usage-based pricing for agentic AI compute requests, which replaces the previous flat payment mannequin.
In a submit on X on Thursday, Coinbase Developer Platform introduced the “Upto” scheme has gone dwell, including it’s going to assist open up “variable-cost providers” for agentic AI corresponding to giant language mannequin inference, compute and information queries.
“Till now, x402 solely supported precise, fixed-price funds. That works nice for deterministic APIs. However it blocked a complete class of providers the place the fee is determined by utilization, corresponding to token depend, compute time, or question complexity,” Coinbase Developer Platform mentioned.
“Upto is an EVM implementation, supporting all ERC20s, and CDP Facilitator helps absolutely gasless funds,” it added.
The transfer comes amid rising assist for the x402 protocol as a variety of companies put together for future agentic commerce adoption, which is predicted to deliver excessive ranges of community demand and require frictionless funds and near-instant transactions to assist agentic AI.

Flat-fee drawback will get a repair
The Upto scheme permits sellers to configure most costs, whereas consumers will have the ability to authorize costs as much as a certain amount.
On the server finish, the place prices fluctuate, the server will cost just for how a lot it truly takes to finish the duty, that means customers will not be overcharged and will even pay lower than the required most value.
Beforehand, easy and complicated requests price the identical quantity, leading to some customers both overpaying or underpaying for duties carried out by AI brokers. This improve will assist customers set costs they’re prepared to pay earlier than a process as a substitute of guessing how a lot they assume the duty will price for an agent to finish.
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Developed by Coinbase, the protocol’s possession was handed over to the nonprofit Linux Basis earlier this month, with massive tech companies corresponding to Google, Microsoft and Amazon Net Companies having a stake within the protocol by way of the x402 Basis.
Regardless of the hype surrounding x402, the community has seen declining adoption charges in 2026 after hitting peak ranges in November, based on Dune Analytics information. Between Nov. 4 and Nov. 10, the protocol noticed 13.7 million transactions, its largest week on file.
Nonetheless, it has been on a steep decline since then, with weekly transaction quantity dropping under 1 million in early January and persevering with to plunge additional over the primary quarter. As of the final week in March, x402 noticed simply 112,708 transactions.
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