Step prototypes can be used to avoid boiler plate. Interaction steps (request/response pairs) can specify which prototype they inherit from. Prototypes are defined (on the suite level - and maybe in fixtures?) as an object containing partially defined interaction steps (request/response pairs).
prototypes: edit: request: method: post path: api.php parameters: action: edit format: json form-data: token: p/var: edit-token response: body: edit: result: Success tests: - description: "something something" interaction: - inherit: edit # inherit from prototype request: parameters: title: Foo createonly: true form-data: comment: first edit text: Just a test