Follow the steps in this article to connect your A2B account to a Deliverect location.
Step 1. Open 
Deliverect Dispatch and select 
Configuration in the sidebar.
Step 2. Select Add partner for the location you want to activate A2B.
Step 3. Choose A2B in the dropdown. Contact our support team to receive the values needed to complete the fields.
You may need to reach out to A2B for the External reference field.
Step 4. Select the Save button. A2B is now available for your location. Read this article to learn how to configure which dispatch partners are automatically used for orders.