Log in to your Bol.com account (right-top corner). You will be automatically forwarded via the 'existing customer' screen to log-in with your business account. You will see the following screen:
When logged in click on your user name and choose 'settings' in the drop-down menu:
In the settings you have the possibility to open your API settings:
Scroll more down. Here you can retrieve the public & secret key. You can copy/paste these keys into your SendCloud account.
When saved, your Bol.com account is ready and connected to the SendCloud panel.