anchor.diff:  + Parameters
       + id (required, string) ... the id to check
   
  -+ Request
  ++ Request (application/json)
   
       + Headers
       
  
positive.code:             "key" : "data which could be a json"
          }
  
  + Request
  
      + Headers
      
  
negative.code:     + domain (required, string, `private`) ... the domain where to retreive the key/value
      + key (optional, string) ... the desired key, if omited all keys and values of the domains will be returned
  
  + Request (application/json)
  
      + Headers
      
  