Pay with square using contact form 7 contact form 7 square plugin is a wordpress plugin sale that gateway allows users to pay from their contact form using square payment. Add square credit card pricing field per selected sandbox form point. Test account allow pos you to use sandbox so you can test transactions before inventory making live transactions prerequisites plugins. With this plugin integration you will have an option management to add square payment settings & specify price per each contact form. This plugin will help you to create your of form & add your square payment settings so users