What happened to class action lawsuits?

You used to be able to go online to one main site and see the class action lawsuits and which ones had no proof needed and still gave you rewards. Now I feel like I can’t find that same website anymore or maybe it’s changed . But now I find there are apps that are being pushed that make you pay to use them to submit class action lawsuits. Is this just me or is this the new way now?