fix: keep live x402 inspect demo on 402 path#3
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May 18, 2026
…account for inspect mode The inspect-402 demo was stopping at HTTP 400 because the placeholder order body used a zero-UUID product_id and omitted item.beneficiary_account, which the live x402 server requires. Select the first fixed-denomination product (is_range=false, product_value_required=false) from the catalog response and include a demo beneficiary_account so the request reaches the intended 402 PAYMENT-REQUIRED challenge without ever sending PAYMENT-SIGNATURE. Verified against https://x402.cryptorefills.com: HTTP 402, PAYMENT-REQUIRED decoded for "Amazon.com Gift Card 5 USD" ($5.12999700 USDC on base eip155:8453, payTo=0x110c…6a66). Credit: original patch contributed by @TateLyman in #3.
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Thanks @TateLyman — your diagnosis is correct: the live x402 server returns We verified your patch end-to-end against We've re-authored the diff and landed it on Appreciate the contribution. |
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Summary
MODE=inspect-402beneficiary_accountfield in the no-payment order bodyWhy
pnpm inspectcurrently stops at a 400 validation error because the sample order omitsbeneficiary_account. Using a real fixed-denomination catalog item lets the demo reach the intended no-payment 402 challenge without sendingPAYMENT-SIGNATUREor moving funds.Validation
pnpm inspectreached HTTP 402 and decoded thePAYMENT-REQUIREDheaderpnpm exec tsc --noEmitgit diff --check