To handle online payments in Evalato you need a merchant account with PayPal, Braintree, or Stripe to process the transactions.
Add at least one payment method from Settings > Payments > Payment methods via the Add payment method button.
Select a payment method from the list. Now copy the required info from your merchant account and paste it into the corresponding fields in Evalato.
If you don’t have a merchant account yet, simply apply for one on the website of the payment processor you wish to use. Here are short articles dealing with each payment method’s setup in Evalato:
The Billing data settings apply to paid programs only. They can be accessed in Settings > Payments > Billing data, and allow you to collect the necessary information from the person making the registration, in order to issue an invoice afterwards.
Here's a quick video tutorial on how to configure payment methods and billing: