How to use RestAPI for reports

Hi,

I’ve seen that I can get a RestAPI call for a report like it is mentioned in that topic:
 

How do I use this URL e.g. in a python script?
Have I just to run a command like the following after I’ve done a login?
 

payload={}
headers = {
  'Accept': 'application/json',
  'Authtoken': token
}
url = <API CALL URL>
response = requests.request("GET", url, headers=headers, data=payload)

Second Question, which permissions are necessary to keep the user rights as secure as possible?

BR
Jan