User can retrieve primary statistical metrics on all newsletters sent to a specific list of contacts. Statistics include start and finish times; number of recipients and their preferred format; bounces and opens; links clicked; and others. 

Note:  This API call can also be found under the requesttype of "Stats".

JSON Request Example:     

{
  "username": "JohnDoe",
  "usertoken": "abc123abc123abc123abc123",
  "requesttype": "Newsletters",
  "requestmethod": "GetNewsletterStats",
  "details": {
    "list": "{*list_id*}" /* required */
  }
}