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This rule belongs to the openapi-v3-standards-validation ruleset and states that:

The simple style can only be used when the type of the header is set as array i.e. it cannot be used for primitive or object types.

Maximum SeverityError
MessageSimple style cannot be used with the current header type.
Rule SystemSemantic
Broad CategoryHeaders
Products ImpactedAPI Transformer, Code Generation, Developer Experience Portal
Tagsopenapi3 openapi standards semantic validation simple style array serialization header

Suggested Fixes

  • Ensure that the type of the header set in either the header's schema or content definition is equal to array.
  • If the header type is not expected to be an array, simply remove the style property definition.

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