Installation and configuring plug-in ShipStation Connector Setup Instructions: Create the account for ShipStation
Open the "Settings » API Settings" page and get the API Key and the API Secret
Copy them on the plugin configure page
Open the menu Selling Channels and select Store Setup
Click Connect a Store or Marketplace and select Custom Store
Copy the webhool URL from the plugin configure page to the field URL to Custom XML Page
Create a Username and Password, copy them on the plugin configure page
Don't change the Statuses section
Open the ShipStation site and test your connection using the Test Connection button
Save the settings using the Connect button