Here are a few simple steps to add a form of payment in your Facebook Ads account:
- Confirm you are the admin on the Facebook Ads account as this is required in order to make changes to the account's payment methods.
- Click Payments under Business Setting in Ads Manager.
- Click +Add under Payment Methods.
- Choose the payment method that you want to add, fill in your information, then click Continue. Follow any additional instructions to add your payment method.