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

The parameters list provided using the parameters property in the Operation Object must not include any duplicate parameter definitions. A unique parameter is defined by a combination of its name and location.

Maximum SeverityError
MessageDuplicate entry found for parameter in the current Operation Object parameters.
Rule SystemSemantic
Broad CategoryOperations
Products ImpactedAPI Transformer, Code Generation, Developer Experience Portal
Tagsopenapi3 openapi standards semantic validation parameters parameter name location operation

Suggested Fixes

  • Remove duplicate entry of a parameter from the parameters list.
  • If name and location of a parameter matches with that of some other parameter entry, remove one of such entries.
  • Parameter names are compared in a case-sensitive manner.

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