Errors

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1. Dev Tools7 Oct 2026 · #33API Error ExplainerPaste a status code and the response body. Get what broke, what to change in the request, and whether a retry will help.InRequest I sent: POST /api/refunds→OutRetryMedium

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   1. 0:00 The callPOST /api/refunds returned 401 bad signature twice. The body says the prefix should be sha256=. They may have signed with the example placeholder.
   2. 0:08 What brokeThe server rejected the signature. The status is not a transient outage. The prefix note is a hint about the header format.
   3. 0:16 The changeSign the raw body with the real secret, prefix the header with sha256=, and keep the same idempotency key so a later success does not double-apply.
   4. 0:24 RetryDo not retry the same bytes. Retry once after the header changes. Forging a signature for someone else's API is out of scope.

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2. Fun & Weird25 Sep 2026 · #21Error Message PoetPaste a harsh error. Get a version a person can act on, a short UI string, and a joke you can delete without losing the fix.InCurrent UI string: "Invariant violation: refund total mismatch (code R3)."→OutThe joke, optionalEasy

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   1. 0:00 The old stringInvariant violation, code R3. A shopper cannot act on that. The log already has the order and the totals.
   2. 0:08 The plain versionThe order total does not match the cart. Reload the order. If it persists, the reload is the handoff, not a second insult.
   3. 0:16 The UI string'This total does not match your cart. Reload the order and try again.' Under 90 characters.
   4. 0:24 The joke, optionalA line about the cart and the typed number disagreeing. The order id stays in the log, not in the joke.

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