diff --git a/CHANGELOG.md b/CHANGELOG.md
index 359936a1b..c0992dcfa 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,7 @@ and this project adheres to
 ## Unreleased
 
 <!-- write down unreleased development here -->
+* [search] enforce limit of results for fetching rsults by search api https://gitlab.com/champs-libres/departement-de-la-vendee/accent-suivi-developpement/-/issues/576
 * [activity] Fix delete button for document (https://gitlab.com/champs-libres/departement-de-la-vendee/accent-suivi-developpement/-/issues/554)
 * [activity] Add return path the document generation (https://gitlab.com/champs-libres/departement-de-la-vendee/accent-suivi-developpement/-/issues/553)
 * [person] add person ressource to person docgen normaliser (https://gitlab.com/champs-libres/departement-de-la-vendee/chill/-/issues/517)
diff --git a/src/Bundle/ChillMainBundle/Search/SearchApi.php b/src/Bundle/ChillMainBundle/Search/SearchApi.php
index 7436b3303..5c4026a45 100644
--- a/src/Bundle/ChillMainBundle/Search/SearchApi.php
+++ b/src/Bundle/ChillMainBundle/Search/SearchApi.php
@@ -11,6 +11,7 @@ declare(strict_types=1);
 
 namespace Chill\MainBundle\Search;
 
+use Chill\MainBundle\Pagination\Paginator;
 use Chill\MainBundle\Pagination\PaginatorFactory;
 use Chill\MainBundle\Serializer\Model\Collection;
 use Doctrine\DBAL\Types\Types;
@@ -102,9 +103,9 @@ class SearchApi
         return $items;
     }
 
-    private function buildUnionQuery(array $queries, $types, $parameters)
+    private function buildUnionQuery(array $queries, $types, $parameters, Paginator $paginator)
     {
-        $query = '{unions} ORDER BY pertinence DESC';
+        $query = '{unions} ORDER BY pertinence DESC LIMIT ? OFFSET ?';
         $unions = [];
         $parameters = [];
 
@@ -113,6 +114,10 @@ class SearchApi
             $parameters = array_merge($parameters, $q->buildParameters());
         }
 
+        // add pagination limit
+        $parameters[] = $paginator->getItemsPerPage();
+        $parameters[] = $paginator->getCurrentPageFirstItemNumber();
+
         $union = implode(' UNION ', $unions);
 
         return [
@@ -132,9 +137,9 @@ class SearchApi
         return (int) $countNq->getSingleScalarResult();
     }
 
-    private function fetchRawResult($queries, $types, $parameters, $paginator): array
+    private function fetchRawResult($queries, $types, $parameters, Paginator $paginator): array
     {
-        [$union, $parameters] = $this->buildUnionQuery($queries, $types, $parameters);
+        [$union, $parameters] = $this->buildUnionQuery($queries, $types, $parameters, $paginator);
         $rsm = new ResultSetMappingBuilder($this->em);
         $rsm->addScalarResult('key', 'key', Types::STRING)
             ->addScalarResult('metadata', 'metadata', Types::JSON)