there didn't used to be, but thankfully, there are now.
People who have no idea what they are doing should not be set loose on the general public selling financial products. Regardless how well-meaning. The usual result is financial damage to the clients and often to themselves.
the EU has some sort of regualtion. (surprise, surprise)
Further hurdles may come in the form of your Aufenthaltsgenehmigung - as a non-EU citizen, there very well be a line forbidding self-employment. there was a thread recently here on TT...
The IHK has series of qualifications, the lowest of which is called the
Fachberater/-in für Finanzdienstleistungen.
Lots of companies are always looking for sales help. Some of them are even honest, serious companies.
Many of them may offer you training - on and off the job - incl. preperation for the IHK test. Read the fine print well.
And for god's sake, don't fall for any MLM bulls*it scheme, no matter how good they make it sound, it's about using you and exploiting your personal relationships in an attempt to further someone else's income on the promise of a quick buck.
ag