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E1213 — Input bytes failed schema validation

PropertyValue
Code1213
SlugE1213
Categoryvalidation (Validation)

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What happened

Input bytes failed schema validation.

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Why it happened

The input payload does not conform to the expected schema (e.g., invalid CBOR structure, wrong field types).

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How to fix

Check encoding and field layout against the target handler’s expected schema.

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Receipt example

{
  "code": 1213,
  "slug": "E1213",
  "category": "validation",
  "what": "Input bytes failed schema validation",
  "fix": "Check encoding and field layout against the target handler's expected schema.",
  "docs_url": "https://docs.cowboy.inc/errors/E1213"
}

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