Techub, citing Bitcoinist, reported that AI agents initiated $3.3 million in USDC payments over one week through x402, a protocol built on Solana. The figure points to rising stablecoin use in machine-to-machine payment flows rather than broad consumer adoption. According to protocol analysis referenced in the report, more than 99.99% of agent transaction volume on x402 is denominated in USDC, underscoring the stablecoin’s central role in this early activity.
The report said x402 uses the HTTP 402 status code to enable native internet payments for APIs, data, and digital resources. In that setup, AI agents pay directly for the resources they consume. Stablecoins fit that model because they offer fast settlement, programmable payment logic, and support for frequent low-value transactions. Solana’s low fees and fast execution were also cited as factors that help these payment patterns work in practice.
The activity on x402 remains at an early stage, the report said. Even so, it highlights a concrete overlap between AI software and crypto infrastructure: autonomous software paying for digital resources onchain.
AI agents initiated $3.3 million in USDC payments over the past week through x402, a protocol on Solana, according to Techub, which cited Bitcoinist. The activity points to growing stablecoin use in machine-to-machine payments.
x402 uses the HTTP 402 status code to provide native internet payments for APIs, data, and digital resources. Protocol analysis cited in the report said more than 99.99% of agent transaction volume on x402 is denominated in USDC.
Usage is tied to machine-to-machine payments
The report said the activity reflects machine-to-machine payments rather than broad retail adoption. AI agents need to pay for resources, and stablecoins fit that need because of fast settlement, programmable flows, and their suitability for frequent low-value transactions.
Solana’s low fees and fast execution also support this type of small, repeated payment activity.
Activity is still early
For now, activity on x402 remains at an early stage. Still, the report framed it as a credible point of intersection between AI and crypto: autonomous software paying for digital resources.
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