First, head over to https://app.datatrics.com/channel and search for Bing Ads.
Click on the green "Integrate" button and you will be redirected to the following screen:
Click on "Connect to Bing Ads".
Log in with an account that has permission to read and write in the Bing Ads account you want to connect.
You can find your Account ID by going to your profile in Bing Ads and selecting "Accounts & Billing".
This page will show you information about your account. Under the Account section, you will see your Account ID. (NOTE: This is not your account number.)
Paste this Account ID in the Bing Ads settings screen in Datatrics and save.