This API is based on {json:api}.

{json:api} is a specification that follows shared conventions and standards. This specification enables API discoverability and partial self-descriptiveness through conventions. The Json Api specification exposes resources and their relationships representations with unique uris and all CRUD operations are performed on those endpoints. With it's simplified approach it assists the API uniformity.

Read more: https://jsonapi.org/

Additionally, this API is defined using OpenAPI (ex Swagger). This means that you can easily:

Generate clients in your preferred: https://swagger.io/tools/swagger-codegen/
Download the specification file (see above) and use it in clients like Postman etc