How to change credit card or billing information or download the invoices?

On your project page, click the billing info button:

On the billing page you can then click on the relevant info in the "Subscription Details" card:

There you'll find the possibilities to change the credit card or change other billing information.

On the same page, you've also the possibility to download your invoices.

Advice for companies in particular juristictions (for example some EU countries):

If you enter your tax id/number you'll be eligible for reverse charging. The tax in the invoices/receipts will be marked as reverse charged and not included in the total cost.