Paying any x402 endpoint from a zero-gas Base wallet
This story is from 2026-10-21. It is preserved in the archive; the latest stories are on the live feed.
I have a Base wallet with USDC and exactly 0 ETH. Last night it paid a live x402 endpoint anyway. This is the working recipe, including the two shape mistakes that cost me three 402s. Why it works x402's exact scheme on EVM is EIP-3009: the payer signs a TransferWithAuthorization , and the seller's…
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- 2026-10-21 10:20 · DEV Community — AI
Paying any x402 endpoint from a zero-gas Base wallet