Setting Up ShipStation WMS

Supported functions:

Click WMS on the left navigation menu.
Click Change WMS and select ShipStation from the dropdown list.
Click the Test WMS Connection button and you will see your URL, API User, and API Key.

Warehouse Level Accounts

For Warehouse level accounts, the Test needs to be performed on the Merchant level. This allows for a separate ShipStation Store connection per merchant.
Go to https://ss.shipstation.com/, and log in to your account.
Go to Account Settings (wrench icon in upper right.
Select Selling Channels > Store Setup from the menu on the left.
Click + Connect a Store or Marketplace
Select the Custom Store option (Enter Custom in the search box to find it more easily.
Fill in fields as shown in the picture below:

Field	Value
URL to Custom XML Page	https://app.cartrover.com/webhook/WMS_ShipStation
Username	API User (From Integration Manager WMS Setup Page)
Password	API Key (From Integration Manager WMS Setup Page)
Awaiting Payment Statuses	await_payment
Awaiting Shipment Statuses	new,at_wms
Shipment Statuses	shipped,confirmed
Cancelled Status	canceled
On-Hold Statuses	on_hold

11. Click Save in Integration Management to save the connection.