Sift released a new suite of Abuse Types to help our customers better fight against the specific types of fraud they are facing. Customers that have been using Sift prior to this change have been migrated to our 'Legacy' Product. No need to worry - you are still getting Sift's Machine Learning power to fight fraud.
When migrating to the new endpoint - v204 - if you are still using Legacy Scores - you need to specify this particular abuse type. After the release of our new Abuse Products, if no score type is specified we will return Payment Protect, Account Abuse, Content Integrity and Promo Abuse scores by default.
In order to return a Legacy Score or any one or more specific abuse types, you need to include the 'abuse_types' query parameter, for example: