anchor.diff:  
   ### Bind plugin to an API [POST]
   
  ++ Parameters
  +    + api_id: 1 (string)
  +
   + Request (application/json)
       + Attributes (Plugin)
           + settings (PluginSettings_Proxy)
  
positive.code: 
  You can omit any request parameters if you want to parially update API settings.
  
  + Request (application/json)
      + Attributes (API)
  
  
negative.code: 
  ### Delete API [DELETE]
  
  + Parameters
      + api_id: 1 (string)
  
  + Response 200 (application/json)
      + Attributes (SuccessResponse)
  
  ## Plugins [/apis/{api_id}/plugins]
  
  ### Get all plugins binded to an API [GET]
  
  + Parameters
      + api_id: 1 (string)
  
  + Response 200 (application/json)
      + Attributes (CollectionResponse)
  