Locate Your Destination Account ID
If a partner wants to permission data to you and allow you to distribute it to some of your specific destination accounts, you will need to provide them with the destination account IDs for those destination accounts:
In the left navigation bar, click Destinations.
Hover over the destination account tile you want to get the ID for, and then click the gear (settings) icon that appears.
The destination account ID is shown in the lower left.
Click to exit the page.