If you do not have website profile then create a new web site profile.
So in website profile you will see ‘Live and Test API Keys’ section.
Click on ‘Live and Test API Keys’ section for API Keys.
The section looks like below screen.
Insert Live API key into Live API Key textbox and Test API Key into Sandbox API Key.
Click on SAVE button.
After setup mollie payment gateway you will be able to see mollie payment in your Plan + Signup Page in ARMember and set it for the plan.
For the Subscription/Recurring Payments, you must has to activated the SEPA Direct Debit or credit card Payment Method at your Mollie Account. So if you want to use the Recurring Payments then kindly activate one of this method. For more information, click here