diff --git a/audience_manager/authorized_api/definitions/profile_details.yaml b/audience_manager/authorized_api/definitions/profile_details.yaml
index 87dd1f68..a837a52d 100644
--- a/audience_manager/authorized_api/definitions/profile_details.yaml
+++ b/audience_manager/authorized_api/definitions/profile_details.yaml
@@ -33,10 +33,12 @@ allOf:
             example: 4
           last_revenue:
             type: number
+            format: float
             description: Amount of last transaction.
             example: 13.37
           total_revenue:
             type: number
+            format: float
             description: Total amount of transactions tracked by audience manager.
             example: 13.37
       generic: