Do you have a referral program?How often is the referral program interest charged?
Referral program will help to achieve popularity, it is a very useful tool.
To begin with, you need to test it and understand how it is beneficial to you, it is not the fact that the partner deductions will be high.
Most likely there will be a small amount, no one will pay you a lot and you need to understand this, and so few projects offer it