With this interface, all the events of a certain user can be deleted immediately. there will be no backup. The account will be as if you newly registered, except for possibly generated API keys, they won't be affected.
Yes
JSON
POST
The JSON object data is not necessary here since there is no need to transfer any parameters.
data={ }or do not transfer data at all.
{ "APIVersion":3, "result":1 }
In case of an error, a different response is sent. Please take a look at Error Responses.