There are a many ways to setup payment in online marketplace. Here are a few examples:

1. Use a credit card processing service - This is the most common way to handle payments, and it's easy to set up. You just need to sign up with a reputable company and enter your billing and shipping information.

2. Set up a gateway account - A gateway account is a type of payment account that allows you to take credit or debit card payments online. This is a good option if you want to accept payments from a large number of customers simultaneously.

3. Use PayPal - PayPal is one of the most popular payment methods online, and it's easy to set up. Just sign up for an account, add your business information, and start accepting payments.

Whatever payment method you choose, make sure to keep your billing and shipping information accurate so that customers have an easy time paying for your services. And last but not least, remember to keep your business running smoothly by keeping an eye on expenses and making necessary adjustments as needed!