The Engineering Team identified the issue and has fixed it. The Targeting API service is back available.
Posted 14 days ago. Oct 02, 2019 - 14:30 PDT
Since the past hour, the Targeting API has been unavailable. Requests to the API would get 500 error code responses. This will be affecting Dynamic Customer Profiles (DCP)/List Attributes/Recommendations based Targeting features. Our Engineering Team is working to resolve this issue.