# OpenAPI Specification

Every API **MUST** be described using an API description format. The API description format used MUST be the [OpenAPI Specification \(formerly known as Swagger Specification\) version 2.0](https://github.com/OAI/OpenAPI-Specification/blob/master/versions/2.0.md) OR the[OpenAPI Specification \(formerly known as Swagger Specification\) version 3.0.x](https://github.com/OAI/OpenAPI-Specification/blob/master/versions/3.0.3.md).

Every API description **MUST** be published in adidas [API design platform](design-platform.md) and it **SHOULD** be stored in version control system \(Bitbucket, GitHub\) in the same repository as the API implementation.

## Language

The API description MUST be written in **American English**.