diff --git a/firebase-installations/api.txt b/firebase-installations/api.txt
index 630322f0856..4acee522a18 100644
--- a/firebase-installations/api.txt
+++ b/firebase-installations/api.txt
@@ -79,7 +79,7 @@ package com.google.firebase.installations.local {
 package com.google.firebase.installations.remote {
 
   public class FirebaseInstallationServiceClient {
-    ctor public FirebaseInstallationServiceClient(@NonNull Context);
+    ctor public FirebaseInstallationServiceClient(@NonNull Context, @Nullable UserAgentPublisher, @Nullable HeartBeatInfo);
     method @NonNull public com.google.firebase.installations.remote.InstallationResponse createFirebaseInstallation(@NonNull String, @NonNull String, @NonNull String, @NonNull String);
     method @NonNull public void deleteFirebaseInstallation(@NonNull String, @NonNull String, @NonNull String, @NonNull String);
     method @NonNull public com.google.firebase.installations.remote.TokenResult generateAuthToken(@NonNull String, @NonNull String, @NonNull String, @NonNull String);
diff --git a/firebase-installations/src/main/java/com/google/firebase/installations/FirebaseInstallations.java b/firebase-installations/src/main/java/com/google/firebase/installations/FirebaseInstallations.java
index 9dc2ec666d1..09d5a67d67e 100644
--- a/firebase-installations/src/main/java/com/google/firebase/installations/FirebaseInstallations.java
+++ b/firebase-installations/src/main/java/com/google/firebase/installations/FirebaseInstallations.java
@@ -16,6 +16,7 @@
 
 import androidx.annotation.GuardedBy;
 import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 import androidx.annotation.VisibleForTesting;
 import com.google.android.gms.common.internal.Preconditions;
 import com.google.android.gms.common.util.DefaultClock;
@@ -24,6 +25,7 @@
 import com.google.android.gms.tasks.Tasks;
 import com.google.firebase.FirebaseApp;
 import com.google.firebase.FirebaseException;
+import com.google.firebase.heartbeatinfo.HeartBeatInfo;
 import com.google.firebase.installations.local.IidStore;
 import com.google.firebase.installations.local.PersistedInstallation;
 import com.google.firebase.installations.local.PersistedInstallation.RegistrationStatus;
@@ -32,6 +34,7 @@
 import com.google.firebase.installations.remote.InstallationResponse;
 import com.google.firebase.installations.remote.InstallationResponse.ResponseCode;
 import com.google.firebase.installations.remote.TokenResult;
+import com.google.firebase.platforminfo.UserAgentPublisher;
 import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.List;
@@ -68,11 +71,15 @@ public class FirebaseInstallations implements FirebaseInstallationsApi {
   private final List<StateListener> listeners = new ArrayList<>();
 
   /** package private constructor. */
-  FirebaseInstallations(FirebaseApp firebaseApp) {
+  FirebaseInstallations(
+      FirebaseApp firebaseApp,
+      @Nullable UserAgentPublisher publisher,
+      @Nullable HeartBeatInfo heartbeatInfo) {
     this(
         new ThreadPoolExecutor(0, 1, 30L, TimeUnit.SECONDS, new LinkedBlockingQueue<>()),
         firebaseApp,
-        new FirebaseInstallationServiceClient(firebaseApp.getApplicationContext()),
+        new FirebaseInstallationServiceClient(
+            firebaseApp.getApplicationContext(), publisher, heartbeatInfo),
         new PersistedInstallation(firebaseApp),
         new Utils(DefaultClock.getInstance()),
         new IidStore());
diff --git a/firebase-installations/src/main/java/com/google/firebase/installations/FirebaseInstallationsRegistrar.java b/firebase-installations/src/main/java/com/google/firebase/installations/FirebaseInstallationsRegistrar.java
index e84168ab4fb..10731b9d11e 100644
--- a/firebase-installations/src/main/java/com/google/firebase/installations/FirebaseInstallationsRegistrar.java
+++ b/firebase-installations/src/main/java/com/google/firebase/installations/FirebaseInstallationsRegistrar.java
@@ -19,7 +19,9 @@
 import com.google.firebase.components.Component;
 import com.google.firebase.components.ComponentRegistrar;
 import com.google.firebase.components.Dependency;
+import com.google.firebase.heartbeatinfo.HeartBeatInfo;
 import com.google.firebase.platforminfo.LibraryVersionComponent;
+import com.google.firebase.platforminfo.UserAgentPublisher;
 import java.util.Arrays;
 import java.util.List;
 
@@ -32,7 +34,14 @@ public List<Component<?>> getComponents() {
     return Arrays.asList(
         Component.builder(FirebaseInstallationsApi.class)
             .add(Dependency.required(FirebaseApp.class))
-            .factory(c -> new FirebaseInstallations(c.get(FirebaseApp.class)))
+            .add(Dependency.required(HeartBeatInfo.class))
+            .add(Dependency.required(UserAgentPublisher.class))
+            .factory(
+                c ->
+                    new FirebaseInstallations(
+                        c.get(FirebaseApp.class),
+                        c.get(UserAgentPublisher.class),
+                        c.get(HeartBeatInfo.class)))
             .build(),
         LibraryVersionComponent.create("fire-installations", BuildConfig.VERSION_NAME));
   }
diff --git a/firebase-installations/src/main/java/com/google/firebase/installations/remote/FirebaseInstallationServiceClient.java b/firebase-installations/src/main/java/com/google/firebase/installations/remote/FirebaseInstallationServiceClient.java
index bc5947bbe7c..a981635c02c 100644
--- a/firebase-installations/src/main/java/com/google/firebase/installations/remote/FirebaseInstallationServiceClient.java
+++ b/firebase-installations/src/main/java/com/google/firebase/installations/remote/FirebaseInstallationServiceClient.java
@@ -22,11 +22,15 @@
 import android.util.JsonReader;
 import android.util.Log;
 import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 import com.google.android.gms.common.util.AndroidUtilsLight;
 import com.google.android.gms.common.util.Hex;
 import com.google.android.gms.common.util.VisibleForTesting;
 import com.google.firebase.FirebaseException;
+import com.google.firebase.heartbeatinfo.HeartBeatInfo;
+import com.google.firebase.heartbeatinfo.HeartBeatInfo.HeartBeat;
 import com.google.firebase.installations.remote.InstallationResponse.ResponseCode;
+import com.google.firebase.platforminfo.UserAgentPublisher;
 import java.io.BufferedReader;
 import java.io.IOException;
 import java.io.InputStreamReader;
@@ -55,6 +59,12 @@ public class FirebaseInstallationServiceClient {
   private static final String CONTENT_ENCODING_HEADER_KEY = "Content-Encoding";
   private static final String GZIP_CONTENT_ENCODING = "gzip";
 
+  /** Heartbeat tag for firebase installations. */
+  private static final String FIREBASE_INSTALLATIONS_ID_HEARTBEAT_TAG = "fire-installations-id";
+
+  private static final String HEART_BEAT_HEADER = "x-firebase-client-log-type";
+  private static final String USER_AGENT_HEADER = "x-firebase-client";
+
   private static final String INTERNAL_SERVER_ERROR_MESSAGE = "There was an internal server error.";
   private static final String NETWORK_ERROR_MESSAGE = "The server returned an unexpected error: %s";
 
@@ -72,9 +82,16 @@ public class FirebaseInstallationServiceClient {
   static final String PARSING_EXPIRATION_TIME_ERROR_MESSAGE = "Invalid Expiration Timestamp.";
 
   private final Context context;
+  private final UserAgentPublisher userAgentPublisher;
+  private final HeartBeatInfo heartbeatInfo;
 
-  public FirebaseInstallationServiceClient(@NonNull Context context) {
+  public FirebaseInstallationServiceClient(
+      @NonNull Context context,
+      @Nullable UserAgentPublisher publisher,
+      @Nullable HeartBeatInfo heartBeatInfo) {
     this.context = context;
+    this.userAgentPublisher = publisher;
+    this.heartbeatInfo = heartBeatInfo;
   }
 
   /**
@@ -261,6 +278,14 @@ private HttpsURLConnection openHttpsURLConnection(URL url) throws IOException {
     httpsURLConnection.addRequestProperty(ACCEPT_HEADER_KEY, JSON_CONTENT_TYPE);
     httpsURLConnection.addRequestProperty(CONTENT_ENCODING_HEADER_KEY, GZIP_CONTENT_ENCODING);
     httpsURLConnection.addRequestProperty(X_ANDROID_PACKAGE_HEADER_KEY, context.getPackageName());
+    if (heartbeatInfo != null && userAgentPublisher != null) {
+      HeartBeat heartbeat = heartbeatInfo.getHeartBeatCode(FIREBASE_INSTALLATIONS_ID_HEARTBEAT_TAG);
+      if (heartbeat != HeartBeat.NONE) {
+        httpsURLConnection.addRequestProperty(USER_AGENT_HEADER, userAgentPublisher.getUserAgent());
+        httpsURLConnection.addRequestProperty(
+            HEART_BEAT_HEADER, Integer.toString(heartbeat.getCode()));
+      }
+    }
     httpsURLConnection.addRequestProperty(
         X_ANDROID_CERT_HEADER_KEY, getFingerprintHashForPackage());
     return httpsURLConnection;
diff --git a/tools/measurement/apksize/src/inappmessagingdisplay/java/com.google.apksize/InAppMessagingDisplay.java b/tools/measurement/apksize/src/inappmessagingdisplay/java/com.google.apksize/InAppMessagingDisplay.java
index ec6c284dab4..59ac8525a50 100644
--- a/tools/measurement/apksize/src/inappmessagingdisplay/java/com.google.apksize/InAppMessagingDisplay.java
+++ b/tools/measurement/apksize/src/inappmessagingdisplay/java/com.google.apksize/InAppMessagingDisplay.java
@@ -16,16 +16,16 @@
 
 import android.app.Activity;
 import android.content.Context;
+import androidx.annotation.NonNull;
 import com.google.android.gms.tasks.Task;
 import com.google.android.gms.tasks.TaskCompletionSource;
 import com.google.firebase.inappmessaging.FirebaseInAppMessagingDisplayCallbacks;
+import com.google.firebase.inappmessaging.display.FirebaseInAppMessagingDisplay;
 import com.google.firebase.inappmessaging.model.Action;
 import com.google.firebase.inappmessaging.model.CampaignMetadata;
+import com.google.firebase.inappmessaging.model.InAppMessage;
 import com.google.firebase.inappmessaging.model.ModalMessage;
 import com.google.firebase.inappmessaging.model.Text;
-import com.google.firebase.inappmessaging.display.FirebaseInAppMessagingDisplay;
-import androidx.annotation.NonNull;
-import com.google.firebase.inappmessaging.model.InAppMessage;
 
 public class InAppMessagingDisplay implements SampleCode {
   private static final String SAMPLE_TEXT = "My sample text";