# OpenPanel and WHMCS OpenPanel Enterprise edition has billing integrations with WHMCS and [FOSSBilling](/docs/articles/extensions/openpanel-and-fossbilling). OpenPanel WHMCS module allows users to integrate billing automations with their OpenPanel server. # OpenPanel To setup WHMCS to use your OpenPanel server follow these steps: ## Enable API First make sure that API access is enabled by going to `OpenAdmin > API` or by running `opencli config get api` from the terminal: ![enable_api](https://i.postimg.cc/L6vwMQ4t/image.png) If API is not enabled, click on the "Enable API access" button or from terminal run ```bash opencli config update api on ``` We recommend creating new Administrator user for API, to create a new user navigate to *OpenAdmin > OpenAdmin Settings* and create new admin user, or from terminal run: ```bash opencli admin new USERNAME_HERE PASSWORD_HERE ``` ## Whitelist on OpenPanel On OpenPanel server make sure that the OpenAdmin port 2087 is open on `OpenAdmin > Firewall` or whitelist the IP adress of your WHMCS server. to whitelist ip address from terminal run: ```bash csf -a WHMCS_IP_HERE ``` or if using UFS: ```bash ufw allow from WHMCS_IP_HERE ``` ## Create hosting package Hosting packages need to be created on both OpenPanel and WHMCS servers. On OpenPanel server login to admin panel and on `OpenAdmin > Plans` create hosting packages that you will be assinging to users on WHMCS. # WHMCS ## Install OpenPanel WHMC Module Login to SSH for WHMCS server Navigate to `path_to_whmcs/modules/servers` Run this command to create a new folder and in it download the module: ```bash git clone https://github.com/stefanpejcic/openpanel-whmcs-module.git openpanel ``` ## Whitelist on WHMCS On WHMCS server also make sure that the 2087 port is opened or whitelist the IP address of your OpenPanel server. ## WHMCS Module Setup From WHMS navigate to: *System Settings > Products & Services > Servers* ![screenshot](https://i.postimg.cc/MHWpL3tc/image.png) Click on *Create New Server* and under module select **OpenPanel** then add OpenPanel server IP, username and password for the OpenAdmin panel: ![create_whmcs_group](https://i.postimg.cc/3Jh3nqWY/image.png) ## Create hosting package On the WHMCS server create first a new group and then create new plans under this group. When creating products, make sure to select OpenPanel for Module and the newly created group ![screenshot2](https://i.postimg.cc/NLvF4GSc/image.png) ## Test Create an order and create a new order to test OpenPanel API.