diff --git a/lib/RoadizCoreBundle/src/Api/DataTransformer/WebResponseOutputDataTransformer.php b/lib/RoadizCoreBundle/src/Api/DataTransformer/WebResponseOutputDataTransformer.php
index 5c7c2a69..d4d46109 100644
--- a/lib/RoadizCoreBundle/src/Api/DataTransformer/WebResponseOutputDataTransformer.php
+++ b/lib/RoadizCoreBundle/src/Api/DataTransformer/WebResponseOutputDataTransformer.php
@@ -93,6 +93,7 @@ public function transform(PersistableInterface $object, string $to, array $conte
             ], UrlGeneratorInterface::ABSOLUTE_PATH));
             $output->setHead($this->nodesSourcesHeadFactory->createForNodeSource($object));
             $output->setBreadcrumbs($this->breadcrumbsFactory->create($object));
+            $output->setMaxAge($object->getNode()->getTtl() * 60);
         }
         if ($object instanceof TranslationInterface) {
             $output->setHead($this->nodesSourcesHeadFactory->createForTranslation($object));
diff --git a/lib/RoadizCoreBundle/src/Api/Model/WebResponseInterface.php b/lib/RoadizCoreBundle/src/Api/Model/WebResponseInterface.php
index b295c30f..8a43399b 100644
--- a/lib/RoadizCoreBundle/src/Api/Model/WebResponseInterface.php
+++ b/lib/RoadizCoreBundle/src/Api/Model/WebResponseInterface.php
@@ -14,4 +14,6 @@ public function setBreadcrumbs(?BreadcrumbsInterface $breadcrumbs): self;
     public function setItem(?PersistableInterface $item): self;
     public function setPath(?string $path): self;
     public function getItem(): ?PersistableInterface;
+    public function getMaxAge(): ?int;
+    public function setMaxAge(?int $maxAge): self;
 }
diff --git a/lib/RoadizCoreBundle/src/Api/Model/WebResponseTrait.php b/lib/RoadizCoreBundle/src/Api/Model/WebResponseTrait.php
index da99f808..141afde7 100644
--- a/lib/RoadizCoreBundle/src/Api/Model/WebResponseTrait.php
+++ b/lib/RoadizCoreBundle/src/Api/Model/WebResponseTrait.php
@@ -39,6 +39,23 @@ trait WebResponseTrait
     #[Serializer\Groups(["web_response"])]
     private bool $hidingBlocks = false;
 
+    /**
+     * @var int|null WebResponse item maximum age in seconds
+     */
+    #[Serializer\Groups(["web_response"])]
+    private ?int $maxAge = null;
+
+    public function getMaxAge(): ?int
+    {
+        return $this->maxAge;
+    }
+
+    public function setMaxAge(?int $maxAge): self
+    {
+        $this->maxAge = $maxAge;
+        return $this;
+    }
+
     public function setPath(?string $path): self
     {
         $this->path = $path;