x402 seller gotchas, part 4: one payment, five deliveries, and first buyers that were robots
This story is from 2026-10-21. It is preserved in the archive; the latest stories are on the live feed.
In part 1 we listed what broke while selling small services over x402 (pay per request, USDC on Base). Part 2 put the shop behind an MCP server, and part 3 was about numbers that counted the wrong thing. This week we launched two new services at $0.002 each: one checks whether a URL is up, the othe…
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- 2026-10-21 08:10 · DEV Community — AI
x402 seller gotchas, part 4: one payment, five deliveries, and first buyers that were robots