GET example
Since version 2.0 (min UE4.26) there are Async functions.




POST example



Please make sure that a parameter name contains only ASCII characters. If characters other than ASCII are expected for a parameter value, the "Url Encode" function must be used. Do not use on it keys. Only on values.




Examples for older plugin versions.
Also useful if you want to make multiple HTTP requests at once. The event delegates must be created in a central place that is not executed multiple times. For example behind "Begin Play" in a singleplayer game.