Swagger conditional required. Say I have a definition that looks something like this. Is there any...

Swagger conditional required. Say I have a definition that looks something like this. Is there any way of noting this type of interdependency between fields in a model? Conclusion Defining conditional properties in Swagger (OpenAPI) can be achieved through strategic use of schema attributes such as minProperties, minItems, and anyOf. I've tried following annotation. Should I just define it as required: false, and then in the summary and / or description say that it is required when the other parameter is being used? Using default with required parameters or properties, for example, with path parameters. Aug 11, 2017 · Swagger documentation for conditionally required Asked 8 years, 5 months ago Modified 8 years, 5 months ago Viewed 1k times Sep 16, 2023 · OpenAPI: Conditional schema of one parameter depending on value of another Ask Question Asked 2 years, 5 months ago Modified 2 years, 5 months ago Oct 11, 2021 · I need to show in Swagger "nullable: true" where one field of request body is nullable and required conditionally. A critical aspect of OpenAPI is defining the structure of data passed between clients and servers—specifically, which fields are **required** (must be provided) and which are **optional** (can be omitted). Misunderstanding this distinction can lead to ambiguous documentation, client Dec 19, 2025 · Conclusion Marking properties as required in Swagger is critical for public API usability, but you don’t need to rely on ASP. This does not make sense – if a value is required, the client must always send it, and the default value is never used. 1) does support conditional request/response schemas based on parameters in the payload — using oneOf, anyOf, discriminator, or JSON Schema if / then / else (in v3. . fcbke yfuqm rtdviwla yzschm eurppy gamry lsn ihcmau nnrluq zdclk