toolbox #192 · api debugging

API Error Decoder

Paste a failing response, status code, or stack trace and get a human-readable explanation, likely causes, retry advice, and a concise debugging note. Built for the days when the API speaks in riddles.

Best forHTTP failures, JSON error payloads, backend debugging, support handoff
OutputLikely cause, severity, retry hints, and copy-ready summary
ModeDark, responsive, single-file
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Input

paste the ugly part

Decoded summary

copy-friendly overview
Enter a status code or payload, then click Decode error.

Signal

what matters first
Severity
Likely cause
Retry?
Request ID

Action plan

next steps

Rules of thumb

the boring bits that save time