Deleted banners may still be retrieved in the Banners route in the Intelligent Search API, even though it does not retrieved in the Admin > Banners.

Simulation

Follow the steps hereafter to simulate the scenario:

1. Execute the route Get list of banners registered for query.
2. The route retrieves the banners related to a search/filter.
3. In the Admin > Banners, search for one of the banners retrieved in the API.
4. The banner search will return no results.

Workaround

Open a ticket with the CX team and include evidence to request the full deletion of the banner.