You can follow these steps in order to add a payment card.
Profile → Payment cards → Add new card → Enter card number and save card.
![notion image](https://www.notion.so/image/https%3A%2F%2Fprod-files-secure.s3.us-west-2.amazonaws.com%2F4673f893-175d-4456-a469-deb66dfebbd2%2F8474c404-958c-436b-b199-beb55409c0fa%2Fhow-to-add-card-en.png?table=block&id=cbc9858b-976e-4397-b126-64f2ddb62cd8&cache=v2)
You can follow these steps in order to delete the payment card.
Profile → Payment cards → Click 3 dots on the bottom left of the registered card → Delete.
![notion image](https://www.notion.so/image/https%3A%2F%2Fprod-files-secure.s3.us-west-2.amazonaws.com%2F4673f893-175d-4456-a469-deb66dfebbd2%2F6e614ba7-08d6-4768-861a-07d52b28be62%2Fhow-to-remove-card-en.png?table=block&id=313b8e31-c480-4b56-95f8-c9f5b2fc8818&cache=v2)