diff --git a/src/Bundle/ChillMainBundle/Controller/PostalCodeForAddressReferenceApiController.php b/src/Bundle/ChillMainBundle/Controller/PostalCodeForAddressReferenceApiController.php
new file mode 100644
index 000000000..873e0c890
--- /dev/null
+++ b/src/Bundle/ChillMainBundle/Controller/PostalCodeForAddressReferenceApiController.php
@@ -0,0 +1,47 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Chill\MainBundle\Controller;
+
+use Chill\MainBundle\Repository\PostalCodeForAddressReferenceRepositoryInterface;
+use Symfony\Component\HttpFoundation\JsonResponse;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException;
+use Symfony\Component\HttpKernel\Exception\BadRequestHttpException;
+use Symfony\Component\Routing\Annotation\Route;
+use Symfony\Component\Security\Core\Security;
+
+final readonly class PostalCodeForAddressReferenceApiController
+{
+    public function __construct(
+        private PostalCodeForAddressReferenceRepositoryInterface $postalCodeForAddressReferenceRepository,
+        private Security $security,
+    ) {}
+
+    #[Route('/api/1.0/main/address-reference/postal-code/search')]
+    public function findPostalCodeBySearch(Request $request): JsonResponse
+    {
+
+        if (!$this->security->isGranted('IS_AUTHENTICATED')) {
+            throw new AccessDeniedHttpException();
+        }
+
+        $search = $request->query->get('q');
+
+        if (null === $search || '' === trim($search)) {
+            throw new BadRequestHttpException('No search query provided');
+        }
+
+        $postalCodes = iterator_to_array($this->postalCodeForAddressReferenceRepository->findPostalCode($search));
+
+        return new JsonResponse($postalCodes, json: false);
+    }
+}
diff --git a/src/Bundle/ChillMainBundle/Repository/PostalCodeForAddressReferenceRepository.php b/src/Bundle/ChillMainBundle/Repository/PostalCodeForAddressReferenceRepository.php
index e78fd1115..7dc0837dc 100644
--- a/src/Bundle/ChillMainBundle/Repository/PostalCodeForAddressReferenceRepository.php
+++ b/src/Bundle/ChillMainBundle/Repository/PostalCodeForAddressReferenceRepository.php
@@ -51,7 +51,9 @@ final readonly class PostalCodeForAddressReferenceRepository implements PostalCo
 
         $result = $qb->executeQuery();
 
-        return $result->iterateAssociative();
+        foreach ($result->iterateAssociative() as $row) {
+            yield [...$row, 'country_name' => json_decode($row['country_name'], true, 512, JSON_THROW_ON_ERROR)];
+        }
     }
 
     private function buildTermsFromSearchString(string $search): array
diff --git a/src/Bundle/ChillMainBundle/chill.api.specs.yaml b/src/Bundle/ChillMainBundle/chill.api.specs.yaml
index 9c5f7d84a..efb1431d3 100644
--- a/src/Bundle/ChillMainBundle/chill.api.specs.yaml
+++ b/src/Bundle/ChillMainBundle/chill.api.specs.yaml
@@ -614,6 +614,25 @@ paths:
                     description: "Unauthorized"
                 400:
                     description: "Bad Request"
+    /1.0/main/address-reference/postal-code/search:
+        get:
+            tags:
+                - address
+            summary: Search for postal code that can contains the search query
+            parameters:
+                - name: q
+                  in: query
+                  required: true
+                  description: The search pattern
+                  schema:
+                      type: string
+            responses:
+                200:
+                    description: "ok"
+                401:
+                    description: "Unauthorized"
+                400:
+                    description: "Bad Request"
     /1.0/main/postal-code/search.json:
         get:
             tags: