anchor.diff:  ### Get APIs [GET]
   
   + Response 200 (application/json)
  -    + Attributes (CollectionResponse)
  +    + Attributes (Response_Collection)
           + data (array[API])
   
   ### Create API [POST]
  
positive.code:     + Attributes (Plugin_Proxy)
  
  + Response 200 (application/json)
      + Attributes (SuccessResponse)
          + data (Plugin_Proxy)
  
  ### Unbind Plugin [DELETE /apis/{api_id}/plugins/{plugin_name}]
  
negative.code:     + Attributes (API)
  
  + Response 201 (application/json)
      + Attributes (Response_OK)
          + meta (Response__Meta)
              + code: 201 (number)
          + data (Consumer)
  
  ## Consumer [/consumers/{external_id}]
  