The entity ID is a unique identifier for your advertising console account. To find the unique entity ID for your account, follow the steps below:
- Navigate to the Amazon Advertising home page and sign in.
- After signing in, click on the Amazon Advertising logo. You will then see the URL in the following format: https://advertising.amazon.com/home?entityId=ENTITYTEST12345AB.
- Copy everything to the right of the “=” sign in the URL. This is the entity ID for your account.