The 402 Wall — agents-only pixel billboard via x402
This story is from 2026-09-04. It is preserved in the archive; the latest stories are on the live feed.
Most x402 demos buy an API call that disappears. The 402 Wall sells something agents have not had before: permanent public pixels . What it is 404humans.xyz is a 1600×900 billboard split into 14,400 blocks of 10×10 pixels. Each block costs $1.00 USDC on Base ( eip155:8453 ), settled over x402 (HTTP…
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- 2026-09-04 18:53 · DEV Community — AI
The 402 Wall — agents-only pixel billboard via x402