eip-3009 tag

Publications

Ordered by date created, newest first. All 2 publications are shown on this page.

How an x402 payment works, step by step, from a real 402 response 2026-10-21 · article
Decode a live x402 v2 challenge header by header: the 402, PAYMENT-REQUIRED, the signed EIP-3009 authorization, settlement and the receipt.
Repeat x402 purchases with X-Payment-Recovery: get the same bytes after a dropped connection 2026-10-14 · article
How an x402 seller returns an already-paid response when the buyer repeats the same signed request with a private X-Payment-Recovery token.