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MUST

MUST define a format for integer types

integer properties MUST have a format defined (int32, int64, or bigint).

Invalid Example

requestBody:
    content:
      application/json:
        schema:
          type: object
          properties:
            range:
              type: integer

Valid Example

requestBody:
  content:
    application/json:
      schema:
        type: object
        properties:
          range:
            type: integer
            format: int32

Zalando Guideline 171

Published: 24 January 2025
Last updated: 14 August 2025
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