diff --git a/model/src/main/java/com/basistech/rosette/apimodel/CategoriesOptions.java b/model/src/main/java/com/basistech/rosette/apimodel/CategoriesOptions.java
index 52659b503..87c5a4e9a 100644
--- a/model/src/main/java/com/basistech/rosette/apimodel/CategoriesOptions.java
+++ b/model/src/main/java/com/basistech/rosette/apimodel/CategoriesOptions.java
@@ -31,8 +31,26 @@
 public class CategoriesOptions extends Options {
 
     /**
+     * @deprecated
+     * Users should use {@link singleLabel} to return only one result
+     * or {@link scoreThreshold} to filter results based on raw score
      * @return number of categories
      */
     @Min(1)
     private final Integer numCategories;
+
+    /**
+     * Single label mode will return only the highest scoring category, regardless of score
+     * If singleLabel is false, every category whose score exceeds the default
+     * (or specified) {@link scoreThreshold} value will be returned
+     * @return whether or not we are in single label mode
+     */
+    private final Boolean singleLabel;
+
+    /**
+     * threshold against the category's raw score, whose value
+     * can be any real number.
+     * @return the score threshold
+     */
+    private final Float scoreThreshold;
 }
diff --git a/model/src/main/java/com/basistech/rosette/apimodel/CategoriesResponse.java b/model/src/main/java/com/basistech/rosette/apimodel/CategoriesResponse.java
index 5b7bc2f1e..b7abd9590 100644
--- a/model/src/main/java/com/basistech/rosette/apimodel/CategoriesResponse.java
+++ b/model/src/main/java/com/basistech/rosette/apimodel/CategoriesResponse.java
@@ -35,5 +35,5 @@ public class CategoriesResponse extends Response {
     /**
      * @return a list of categories
      */
-    private final List<Label> categories;
+    private final List<CategoryLabel> categories;
 }
diff --git a/model/src/main/java/com/basistech/rosette/apimodel/CategoryLabel.java b/model/src/main/java/com/basistech/rosette/apimodel/CategoryLabel.java
new file mode 100644
index 000000000..61badbbe4
--- /dev/null
+++ b/model/src/main/java/com/basistech/rosette/apimodel/CategoryLabel.java
@@ -0,0 +1,41 @@
+/*
+* Copyright 2018 Basis Technology Corp.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+package com.basistech.rosette.apimodel;
+
+import com.basistech.rosette.annotations.JacksonMixin;
+import lombok.Builder;
+import lombok.Value;
+
+@Value
+@Builder
+@JacksonMixin
+public class CategoryLabel {
+
+    /**
+     * @return the label.
+     */
+    private final String label;
+
+    /**
+     * @return the confidence score  (0.0-1.0)
+     */
+    private final Double confidence;
+
+    /**
+     * @return the raw score (-INF-INF)
+     */
+    private final Double score;
+}
diff --git a/model/src/main/java/com/basistech/rosette/apimodel/SentimentResponse.java b/model/src/main/java/com/basistech/rosette/apimodel/SentimentResponse.java
index bf4ae3cf5..c070bce1d 100644
--- a/model/src/main/java/com/basistech/rosette/apimodel/SentimentResponse.java
+++ b/model/src/main/java/com/basistech/rosette/apimodel/SentimentResponse.java
@@ -30,7 +30,7 @@
 @EqualsAndHashCode
 @Builder
 @JacksonMixin
-public  class SentimentResponse extends Response {
+public class SentimentResponse extends Response {
 
     /**
      * @return the whole-document sentiment.