Note: Please note that this is only available for the WABA that has been assigned through the embedded signup.
This is how you can check the credit estination usage from your WABA on the Facebook Business Manager:
1. Go to the Business settings > WhatsApp Account, or you can Click Here
2. If you have logged in you will see the list of the WABA accounts that you owned.
3. Search for the WABA ID you'd like you check the CBP.
4. Click on the account > click on setting > WhatsApp Manager:
5. You will be redirected to this page, and click on the left side of the tab:
6. You'll see the Insight menu under account tools:
7. You'll see the usage on the insight page:
8. You can filter the dates to match your needs.