To begin with, choosing the right payment solution for your online marketplace is essential to ensure a successful and efficient transaction process. That's why I recommend a marketplace payment gateway that offers secure payments, fast transaction processing, and integrated features so you can optimize your sales operations. Compare different providers to find the best rate and features that meet your needs. Once you've narrowed down your list of providers, choose a mobile payment solution that is reliable, secure, and easy to use so that your customers can checkout seamlessly. Make sure it has all the features you need to support your business goals, such as digital wallets and loyalty programs.