diff --git a/CHANGELOG.md b/CHANGELOG.md
index 39ea7e83d..d62380e46 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
+## [5.3.1]
+### Added
+- Added AppEndpoint for ConnectAction
+
 ## [5.3.0]
 ### Added
 - Added support for new voice names added to the Voice API for [Text to Speech](https://developer.nexmo.com/voice/voice-api/guides/text-to-speech)
diff --git a/CONTRIBUTORS.md b/CONTRIBUTORS.md
index 57fe37c1b..c60461ac8 100644
--- a/CONTRIBUTORS.md
+++ b/CONTRIBUTORS.md
@@ -17,3 +17,4 @@ documentation, or tests are eligible to be added to this list.
 - John Schultz ([@jwschultz](https://github.com/jwschultz))
 - Steve Lorello ([@sloello89])(https://github.com/slorello89)
 - Yvonne Allen ([@yallen011](https://github.com/yallen011))
+- Timothee Laurent ([@TimotheeL])(https://github.com/TimotheeL)
\ No newline at end of file
diff --git a/src/main/java/com/nexmo/client/voice/ncco/AppEndpoint.java b/src/main/java/com/nexmo/client/voice/ncco/AppEndpoint.java
new file mode 100644
index 000000000..16c0da06d
--- /dev/null
+++ b/src/main/java/com/nexmo/client/voice/ncco/AppEndpoint.java
@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 2011-2020 Nexmo Inc
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+package com.nexmo.client.voice.ncco;
+
+import com.fasterxml.jackson.annotation.JsonInclude;
+
+/**
+ * Represents an app endpoint used in a {@link ConnectAction}
+ */
+@JsonInclude(value = JsonInclude.Include.NON_NULL)
+public class AppEndpoint implements Endpoint {
+
+  private static final String TYPE = "app";
+  private String user;
+
+  private AppEndpoint(Builder builder) {
+    this.user = builder.user;
+  }
+
+  public String getType() {
+    return TYPE;
+  }
+
+  public String getUser() {
+    return user;
+  }
+
+  public static Builder builder(String user) {
+    return new Builder(user);
+  }
+
+  public static class Builder {
+    private String user;
+
+    public Builder(String user) {
+      this.user = user;
+    }
+
+    public AppEndpoint build() {
+      return new AppEndpoint(this);
+    }
+  }
+}
\ No newline at end of file
diff --git a/src/test/java/com/nexmo/client/voice/ncco/AppEndpointTest.java b/src/test/java/com/nexmo/client/voice/ncco/AppEndpointTest.java
new file mode 100644
index 000000000..fbdcd5421
--- /dev/null
+++ b/src/test/java/com/nexmo/client/voice/ncco/AppEndpointTest.java
@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2011-2020 Nexmo Inc
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+package com.nexmo.client.voice.ncco;
+
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+
+public class AppEndpointTest {
+  @Test
+  public void testAppEndpoint() {
+    AppEndpoint endpoint = AppEndpoint.builder("testUser")
+        .build();
+    ConnectAction connect = ConnectAction.builder(endpoint).build();
+
+    String expectedJson = "[{\"endpoint\":[{\"user\":\"testUser\",\"type\":\"app\"}],\"action\":\"connect\"}]";
+    assertEquals(expectedJson, new Ncco(connect).toJson());
+  }
+}