Solana has just recorded its largest week to date with x402, with a payment volume of approximately $380,000 on November 30, marking a historical high and a week-on-week growth of about 750%.
The latest activities have propelled Solana to become the most active network by dollar transaction volume, demonstrating that the AI agent payment narrative is rapidly converting into measurable on-chain traffic.
The rise of x402 payments on Solana marks a turning point for the HTTP-402 based protocol, where pay-per-request stablecoin transfers are now flowing at a speed that resembles early machine-driven demand profiles rather than speculative spikes.
No longer are there wash trading or airdrop farming; bots and agents are beginning to initiate transactions on Solana for real services, a behavior that is far more difficult to fake than meme token pumps.
Although the absolute numbers remain relatively small compared to decentralized finance (DeFi) and trading traffic, they provide a clear data point indicating that real customers, not just speculative capital, are starting to settle regular payments on Solana.
Even more impressively, x402 is built for the internet backend, not for people chasing the latest token prices.
This standard allows APIs, applications, and AI agents to respond with the 402 "Payment Required" code, completing gas-free USDC transfers on chains like Solana behind the scenes, and then providing the content or computing power requested by the payer.
For Solana, becoming the busiest x402 venue reinforces the claim that low fees and high throughput are beneficial for machine and API micropayments (not just meme coins and high-frequency trading).
This narrative is also beginning to appear elsewhere in the stack, from developer-facing guides that gradually explain how to integrate x402 on Solana, to new partnerships with the network, such as Kalshi, aimed at driving more prediction market flows and stablecoin activity on-chain, leveraging Solana's speed.
X402 has been increasingly adopted by teams in the Web3 space, from protocols that add privacy and security layers on top of x402, to agent frameworks and AI platforms that use it for autonomous collaboration and monetization.
Decentralized finance researcher and educator Mars DeFi commented on X: "x402 is no longer a niche curiosity. It is becoming ubiquitous, unlocking revenue streams that were previously unattainable without subscriptions, API keys, or credit-based billing."
The speed and breadth of this adoption are precisely why Solana's leadership in x402 payments this week is significant. If the pace continues, x402 traffic could evolve into a stable source of demand for Solana's block space and USDC liquidity, even as other layer ones compete for their share of the agent economy.
Related: FDIC Acting Chair says stablecoin legal framework will be introduced this month
Original article: “x402 Ecosystem Expands, Solana (SOL) Becomes the Leading Network in Payments”
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