Shiptheory integrates with Zoey. Shiptheory will pick up any shipments that are created in your Zoey store. Note a shipment is not the same as an order. Ie you may have an order for 10 items, and create 2 shipments for that order, on different days. Shiptheory handles each shipment differently.
Navigate to https://shiptheory.com/zoey/edit , copy the API Key which you'll need.
Login to your Zoey store, and navigate to the Apps > Browse apps > Shipping > Shiptheory
Then click the 'Add to My Apps' green button
You should now see the Shiptheory App under the 'Apps' Menu in Zoey. Click the blue 'Manage' button
Here select Enabled as 'Yes'
And in the API Key field enter the key of API Key you copied from https://shiptheory.com/zoey/edit
Remember to hit the Save Configuration button at the top right of the screen:
Once you've done this, you should start to see subsequent shipments you create show up in the 'all' tab in your shiptheory account
For a more detailed explanation of creating shipments in Zoey, check this article here
You can also read about our more advanced Zoey settings here : Zoey settings in Shiptheory