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Check a payTo before your agent pays it: a $0.01 x402 endpoint for Base

This story is from 2026-10-23. It is preserved in the archive; the latest stories are on the live feed.

x402 makes it trivial for an agent to pay an API it has never seen. The 402 response tells it how much and to whom, it signs, done. What it doesn't tell the agent is anything about who it is paying. So I built a small endpoint that answers one question about any Base address, for one cent: GET http…

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  1. 2026-10-23 21:50 · DEV Community — AI
    Check a payTo before your agent pays it: a $0.01 x402 endpoint for Base

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