1) Quick connection test:
Leave the token box empty and click Send Test Callback.
This only checks that your callback URL is reachable.
2) Full vote acceptance test (recommended):
You must test using a real token from your server database.
Most vote scripts store the incoming postback token in a table when a player votes,
and only accept the callback if that token exists and is unclaimed.
cPanel + phpMyAdmin (most common):
Tip: If you don’t have any tokens yet, do a real vote first from RuneTopic, then check phpMyAdmin for the newest row and copy its token.