Step 1Set up your account at https://www.coinpayments.net (Referral Link).
Step 2Go to the Merchant Tools and click on the Shopping Cart Plugins. This page has a list of very easy to install plugins that can be used.
Step 3Now go to the Dashboard and click on Wallets, here you can add your addresses for your wallets and set the withdrawal amounts and times. Then set your addresses and enabled coins here
Step 4If you use Wordpress you can follow their YouTube tutorial.
Step 6Download the WooCommerce Plugin from the Merchant Tools page. Then access your Wordpress dashboard, go to Plugins in the sidebar, and upload the WooCommerce plugin folder that you just downloaded.
Step 7Click Plugins in the sidebar and install the WooCommerce Coinpayments.net Gateway.
Step 8From here, click “Enable Coinpayments.net” for your website and fill out the Title and Description sections.
Step 9Get you Merchant ID from you Account Settings.
Then create an IPN by following their tutorial here.