Billing information

Do I have to fill billing information?

This is up to you. If you want to access invoice data, there is a need to fill your billing information, otherwise it is not mandatory.
How do I fill or update billing information?

When you need to update your billing information:

1. Click Payments
2. Click Billing information
3. Update billing info of your wallet
4. Click Save

Or

1. Click Wallets
2. Select the wallet you want to update billing information for
3. Update billing info of your wallet
4. Click Save