diff --git a/mailpoet/lib/Automation/Engine/Endpoints/Workflows/WorkflowsGetEndpoint.php b/mailpoet/lib/Automation/Engine/Endpoints/Workflows/WorkflowsGetEndpoint.php
index 269bae5698..4269efca1d 100644
--- a/mailpoet/lib/Automation/Engine/Endpoints/Workflows/WorkflowsGetEndpoint.php
+++ b/mailpoet/lib/Automation/Engine/Endpoints/Workflows/WorkflowsGetEndpoint.php
@@ -7,6 +7,7 @@ use MailPoet\API\REST\Request;
 use MailPoet\API\REST\Response;
 use MailPoet\Automation\Engine\API\Endpoint;
 use MailPoet\Automation\Engine\Data\Workflow;
+use MailPoet\Automation\Engine\Data\WorkflowStatistics;
 use MailPoet\Automation\Engine\Storage\WorkflowStatisticsStorage;
 use MailPoet\Automation\Engine\Storage\WorkflowStorage;
 use MailPoet\Validator\Builder;
@@ -29,8 +30,9 @@ class WorkflowsGetEndpoint extends Endpoint {
   public function handle(Request $request): Response {
     $status = $request->getParam('status') ? (array)$request->getParam('status') : null;
     $workflows = $this->workflowStorage->getWorkflows($status);
-    return new Response(array_map(function (Workflow $workflow) {
-      return $this->buildWorkflow($workflow);
+    $statistics = $this->statisticsStorage->getWorkflowStatisticsForWorkflows(...$workflows);
+    return new Response(array_map(function (Workflow $workflow) use ($statistics) {
+      return $this->buildWorkflow($workflow, $statistics[$workflow->getId()]);
     }, $workflows));
   }
 
@@ -40,14 +42,14 @@ class WorkflowsGetEndpoint extends Endpoint {
     ];
   }
 
-  private function buildWorkflow(Workflow $workflow): array {
+  private function buildWorkflow(Workflow $workflow, WorkflowStatistics $statistics): array {
     return [
       'id' => $workflow->getId(),
       'name' => $workflow->getName(),
       'status' => $workflow->getStatus(),
       'created_at' => $workflow->getCreatedAt()->format(DateTimeImmutable::W3C),
       'updated_at' => $workflow->getUpdatedAt()->format(DateTimeImmutable::W3C),
-      'stats' => $this->statisticsStorage->getWorkflowStats($workflow->getId())->toArray(),
+      'stats' => $statistics->toArray(),
       'activated_at' => $workflow->getActivatedAt() ? $workflow->getActivatedAt()->format(DateTimeImmutable::W3C) : null,
       'author' => [
         'id' => $workflow->getAuthor()->ID,