Is an HTTP 402 Challenge Proof of Payment? No — Challenge vs. Settlement, With Live Receipts
This story is from 2026-10-14. It is preserved in the archive; the latest stories are on the live feed.
Payment screenshots are circulating in the x402 ecosystem, and a lot of them show the same thing: an HTTP 402 response body. Here is the problem — a 402 challenge is not proof of payment. It is a price quote. We proved it today on our own production endpoint. The free exhibit This afternoon (Octobe…
Read the full story at DEV Community — AI ↗
Timeline · 1 report
- 2026-10-14 22:07 · DEV Community — AI
Is an HTTP 402 Challenge Proof of Payment? No — Challenge vs. Settlement, With Live Receipts