diff --git a/core/src/main/java/google/registry/batch/SendExpiringCertificateNotificationEmailAction.java b/core/src/main/java/google/registry/batch/SendExpiringCertificateNotificationEmailAction.java
index 8d4ca3ac4..83c5746de 100644
--- a/core/src/main/java/google/registry/batch/SendExpiringCertificateNotificationEmailAction.java
+++ b/core/src/main/java/google/registry/batch/SendExpiringCertificateNotificationEmailAction.java
@@ -55,6 +55,7 @@ import org.joda.time.format.DateTimeFormatter;
     path = SendExpiringCertificateNotificationEmailAction.PATH,
     auth = Auth.AUTH_INTERNAL_OR_ADMIN)
 public class SendExpiringCertificateNotificationEmailAction implements Runnable {
+
   public static final String PATH = "/_dr/task/sendExpiringCertificateNotificationEmail";
   /**
    * Used as an offset when storing the last notification email sent date.
@@ -96,8 +97,13 @@ public class SendExpiringCertificateNotificationEmailAction implements Runnable
   public void run() {
     response.setContentType(MediaType.PLAIN_TEXT_UTF_8);
     try {
-      sendNotificationEmails();
+      int numEmailsSent = sendNotificationEmails();
+      String message =
+          String.format(
+              "Done. Sent %d expiring certificate notification emails in total.", numEmailsSent);
+      logger.atInfo().log(message);
       response.setStatus(SC_OK);
+      response.setPayload(message);
     } catch (Exception e) {
       logger.atWarning().withCause(e).log(
           "Exception thrown when sending expiring certificate notification emails.");
@@ -263,8 +269,6 @@ public class SendExpiringCertificateNotificationEmailAction implements Runnable
         emailsSent++;
       }
     }
-    logger.atInfo().log(
-        "Attempted to send %d expiring certificate notification emails.", emailsSent);
     return emailsSent;
   }
 
@@ -327,6 +331,7 @@ public class SendExpiringCertificateNotificationEmailAction implements Runnable
 
   @AutoValue
   public abstract static class RegistrarInfo {
+
     static RegistrarInfo create(
         Registrar registrar, boolean isCertExpiring, boolean isFailOverCertExpiring) {
       return new AutoValue_SendExpiringCertificateNotificationEmailAction_RegistrarInfo(
diff --git a/core/src/test/java/google/registry/batch/SendExpiringCertificateNotificationEmailActionTest.java b/core/src/test/java/google/registry/batch/SendExpiringCertificateNotificationEmailActionTest.java
index 0f659c681..c628973c0 100644
--- a/core/src/test/java/google/registry/batch/SendExpiringCertificateNotificationEmailActionTest.java
+++ b/core/src/test/java/google/registry/batch/SendExpiringCertificateNotificationEmailActionTest.java
@@ -639,9 +639,32 @@ class SendExpiringCertificateNotificationEmailActionTest {
   }
 
   @TestOfyAndSql
-  void run_responseStatusIs200() {
+  void run_sentZeroEmail_responseStatusIs200() {
     action.run();
     assertThat(response.getStatus()).isEqualTo(SC_OK);
+    assertThat(response.getPayload())
+        .isEqualTo("Done. Sent 0 expiring certificate notification emails in total.");
+  }
+
+  @TestOfyAndSql
+  void run_sentEmails_responseStatusIs200() throws Exception {
+    for (int i = 1; i <= 5; i++) {
+      persistResource(
+          createRegistrar(
+                  "id_" + i,
+                  "name" + i,
+                  SelfSignedCaCertificate.create(
+                          "www.example.tld",
+                          DateTime.parse("2020-09-02T00:00:00Z"),
+                          DateTime.parse("2021-06-01T00:00:00Z"))
+                      .cert(),
+                  null)
+              .build());
+    }
+    action.run();
+    assertThat(response.getStatus()).isEqualTo(SC_OK);
+    assertThat(response.getPayload())
+        .isEqualTo("Done. Sent 5 expiring certificate notification emails in total.");
   }
 
   /** Returns a sample registrar with a customized registrar name, client id and certificate* */