Why x402 has no token
x402 is a standard for paying over HTTP — a server replies with HTTP 402 Payment Required and payment terms, and the client pays. It is infrastructure, like HTTP itself. Protocols don't have prices; assets do.
The payment leg uses USDC, a dollar-backed stablecoin, on networks such as Solana or Base. Using a stablecoin is the whole point: an AI agent can pay a predictable $0.01 without a volatile token in the loop. Introducing a speculative "x402 coin" would defeat that — so the protocol, published by Coinbase, deliberately doesn't have one.
What to do instead of buying a token
If you found this page searching for a price, you were probably looking at an unaffiliated token. If you actually want to use x402, you don't need to buy anything — just accept USDC and return a 402. Start with the x402 tutorial or browse 977 real open-source projects in the ecosystem.