Connecting to Stack
Updated July 8, 2026
To add a Stack connection to the Marketplace Order Connector, go to the settings page in the app and choose “Add Connection”.
Step 1 - Add the connection
Add connection like in this image

Or alternatively

Step 2 - Connect to your Stack account
When the connection is added you will see a pop-up window where you can add your account information.

Enter the required fields:
- Name (the name of this connection)
- API Key (the Stack API Key)
The optional settings can specify how you want to set up the connection
- Prefix (This value will be prefixed to the order number)
- Tags (These tags will be attached to the Shopify orders)
Click ‘Save’ when you’re done.
The app will now establish the connection with your Stack account.
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