NSURLSession：没有身份验证NSURLSession（Swift）

I would like with an API -Key and authenticate user . I have the message " Session URL Task Succeeded : HTTP 200 " get in the Console . Unfortunately, I always get the message of the page " {" message " : " . Authorization has been denied for this request " } " . I spent hours looking for and found a solution . I ask for your help . Here is my code :I would like with an API -Key and authenticate