I am using OkHttp 3, and I keep getting leaked connection warnings:
WARNING: A connection to https://help.helpling.com/ was leaked. Did you forget to close a res
As mentioned in the other answers, you have to close the response. A slightly cleaner approach would be to declare the ResponseBody in the try block, so that it will be automatically closed.
ResponseBody
try(ResponseBody body = ....){ .... }