How to add a method of payment for billing?

You can add a new method of payment for your Hatica account within the Hatica App.

Head over to https://app.hatica.io/settings/billing (opens in a new tab) (Settings > Billing) and click on the "Manage Billing" option to invoke the pop up.

Click on "Payment Methods" option in the pop up, add your card details and hit "add" to save your card.