Thank you for writing your query in the Udimi forum.
Udimi is a safe place where you can buy or sell advertising. Here, you will easily find other online marketers with thousands of subscribers in your niche.
If you have any products, services, or something you need to promote online, you can buy traffic from here. There are hundreds of sellers on Udimi, and their lists and traffic vary heavily. But unfortunately, Udimi doesn't offer any credit for your business!