To link an existing Windcave Ecommerce account please complete these steps. If you would like to register for a new Worldline account please click here https://sec.windcave.com/pxmi3/signup 1) Firstly login to your Windcave/Payline dashboard 2) From the Dashboard click on 'User Accounts' and then 'My User' to get to your User Setting page like below. Copy your Username exactly as shown (it is case sensitive). 3) Login to the Payminty Portal and select 'Payout Settings' then 'Connect with WINDCAVE'. The below Payminty OE pop up will appear.4) Paste your Username from PayLine into the Windcave HPP Username field in the Payminty pop up.5) Go back to the PayLine 'User Settings' page and copy your API Key exactly as shown.6) Go back to Payminty and paste your API Key from PayLine into the Windcave Restful API Key field in the Payminty pop up and click 'Save'.7) DONE...the following screen will appear indicating you are all setup and ready to go. You are now able to accept payments by the Windcave Payment Gateway. Any questions etc. please email us on email@example.com.