diff --git a/sdk/search/azure-search/src/main/java/com/azure/search/ApiKeyCredentials.java b/sdk/search/azure-search/src/main/java/com/azure/search/ApiKeyCredentials.java
index 8a55ee0763fd..f5a7e98ae816 100644
--- a/sdk/search/azure-search/src/main/java/com/azure/search/ApiKeyCredentials.java
+++ b/sdk/search/azure-search/src/main/java/com/azure/search/ApiKeyCredentials.java
@@ -3,13 +3,29 @@
 
 package com.azure.search;
 
+/**
+ * Credentials that authorize requests to Azure Cognitive Search. It uses content within the HTTP request to
+ * generate the correct "api-key" header value
+ *
+ * @see SearchIndexClientBuilder
+ * @see SearchServiceClientBuilder
+ */
 public class ApiKeyCredentials {
     private final String apiKey;
 
+    /**
+     * Creates an instance that is able to authorize requests to Azure Cognitive Search.
+     *
+     * @param apiKey a query or admin API key
+     */
     public ApiKeyCredentials(String apiKey) {
         this.apiKey = apiKey;
     }
 
+    /**
+     * Gets the API key
+     * @return the API key
+     */
     public String getApiKey() {
         return apiKey;
     }