To buy an integration, you have to signup for an account from https://loominate.io/auth/register

Once you have logged in from https://loominate.io/auth/login you will be able to see a list of integrations you can purchase.

If you want to buy Hubspot x sevdesk for example, you have to click on the Buy button. You will then be redirected to the checkout page. Here you have to enter your company details:

In the following page you can enter a promotional code if you have any. And finally you have to enter your payment details.

Once you have successfully given your payment details and checked out, you will be able to configure your integrations!