Step 1: Log in to your eShipz account.
Step 2: Go to Settings.
Step 3: Click on Carriers.
Step 4: The “Shipper Accounts” page will now be displayed, click on ‘+’ icon visible at the top right corner.
Step-5: Select Critcalog from the list of available carriers.
Step 6: Enter all the required details: Description, Client code, Product mode, Service Type and Tracking token.
‘Service type’: Scroll down till Service Types, which will be displayed below the “I Agree to the Terms & Conditions of the Carrier” checkbox. Based on the service enabled for your account, copy the services mentioned below Service Type and enter on ‘Service type’ field. In order to enter more than one service add a comma after every service.
Step 7: Tick the checkbox "I Agree to the Terms & Conditions of the Carrier" and click on validate and save.
Step 8: “Updated credentials Successfully!” message will be displayed on ‘Shipper Accounts’ page.

Now, you can go ahead and create shipments for the configured Crticalog carrier.