There are two of adding a rounding rule:

• through Admin
• by API REST

Follow the steps below to add a rounding rule to your store:

1. In the VTEX Admin, go to Product > Price Rouding Rules, or type Price Rouding Rules in the search bar at the top of the page.
2. Click on the New Rule button.
3. In the first step, What is the price range to which this rule will apply?, set a From - Up To price range to which the psychological pricing applies.
4. In the second step, How many digits will be rounded?, select the number of digits to apply psychological pricing to from the dropdown menu.
5. In the third step, Which rounding method will be applied?, select the desired method.
6. Click on Test your prices and insert a price to check whether the newly created rule works as intended.
7. Lastly, click on Save.