WooCOmmerce Paymill Payment Gateway Extension is one of the most favourite payment gateway extension to process credit cards on your website without messing with their APs and codes. Simply download and istalll woocommerce paymill payment.zip file and activate it in your wordpress admin dashboard. Now you have all the awesomeness of Paymill on your website and you can start accepting payment securely using credit cards and debit cards.
Further their payment processing fees are also reasonable, just 2.95% of the transaction amount + 0.28€ per successful transaction. You can use your Paymill account to track and manage all your funds with ease from your PC.