diff --git a/config/services.yaml b/config/services.yaml
index e72b564d638..af20839e59d 100644
--- a/config/services.yaml
+++ b/config/services.yaml
@@ -230,8 +230,8 @@ services:
         tags: [{ name: 'serializer.normalizer', priority: 1 }]
 
     App\Normalizer\ConstraintViolationListNormalizer:
-        decorates: 'serializer.normalizer.constraint_violation_list'
-        tags: [{ name: 'serializer.normalizer', priority: -1024 }]
+        decorates: 'api_platform.problem.normalizer.validation_exception'
+        tags: [{ name: 'serializer.normalizer', priority: -800 }]
         arguments:
             - '@serializer.name_converter.metadata_aware'
 
diff --git a/src/Adhesion/Request/MembershipRequest.php b/src/Adhesion/Request/MembershipRequest.php
index 10976e7d689..8221811aa5e 100644
--- a/src/Adhesion/Request/MembershipRequest.php
+++ b/src/Adhesion/Request/MembershipRequest.php
@@ -41,7 +41,6 @@ class MembershipRequest implements DonationRequestInterface
     #[Assert\NotBlank]
     public ?string $nationality = null;
 
-    #[Assert\Type('bool')]
     public ?bool $exclusiveMembership = null;
 
     #[Assert\AtLeastOneOf([
diff --git a/src/Api/Filter/AbstractScopeFilter.php b/src/Api/Filter/AbstractScopeFilter.php
index 01de625eed6..259ce30215a 100644
--- a/src/Api/Filter/AbstractScopeFilter.php
+++ b/src/Api/Filter/AbstractScopeFilter.php
@@ -87,7 +87,7 @@ public function setSecurity(Security $security): void
 
     protected function getAllowedOperationNames(string $resourceClass): array
     {
-        return ['{uuid}_get', '{uuid}.{_format}_get', '_get_collection'];
+        return ['{uuid}_get', '{uuid}{._format}_get', '_get_collection'];
     }
 
     private function isValidOperation(?Operation $operation): bool
diff --git a/src/Api/Filter/ScopeVisibilityFilter.php b/src/Api/Filter/ScopeVisibilityFilter.php
index e9988d6f9b4..b542166082a 100644
--- a/src/Api/Filter/ScopeVisibilityFilter.php
+++ b/src/Api/Filter/ScopeVisibilityFilter.php
@@ -96,6 +96,6 @@ protected function getAllowedOperationNames(string $resourceClass): array
             return ['_api_/v3/jecoute/news/{uuid}_get', '_api_/v3/jecoute/news_get_collection'];
         }
 
-        return ['{uuid}_get', '{uuid}.{_format}_get', '_get_collection'];
+        return ['{uuid}_get', '{uuid}{._format}_get', '_get_collection'];
     }
 }
diff --git a/src/Api/IriConverterDecorator.php b/src/Api/IriConverterDecorator.php
new file mode 100644
index 00000000000..00fa74e6e87
--- /dev/null
+++ b/src/Api/IriConverterDecorator.php
@@ -0,0 +1,36 @@
+<?php
+
+namespace App\Api;
+
+use ApiPlatform\Metadata\IriConverterInterface;
+use ApiPlatform\Metadata\Operation;
+use ApiPlatform\Metadata\UrlGeneratorInterface;
+use App\Entity\Event\BaseEventCategory;
+use Ramsey\Uuid\Uuid;
+
+class IriConverterDecorator implements IriConverterInterface
+{
+    public function __construct(private readonly IriConverterInterface $decorated)
+    {
+    }
+
+    public function getResourceFromIri(string $iri, array $context = [], ?Operation $operation = null): object
+    {
+        if (Uuid::isValid($iri)) {
+            $iri = $this->decorated->getIriFromResource(resource: $context['resource_class'], context: ['uri_variables' => ['uuid' => $iri]]);
+        } elseif (is_a($context['resource_class'], BaseEventCategory::class, true)) {
+            $iri = $this->decorated->getIriFromResource(resource: $context['resource_class'], context: ['uri_variables' => ['slug' => $iri]]);
+        }
+
+        return $this->decorated->getResourceFromIri($iri, $context, $operation);
+    }
+
+    public function getIriFromResource(
+        object|string $resource,
+        int $referenceType = UrlGeneratorInterface::ABS_PATH,
+        ?Operation $operation = null,
+        array $context = [],
+    ): ?string {
+        return $this->decorated->getIriFromResource($resource, $referenceType, $operation, $context);
+    }
+}
diff --git a/src/Api/Listener/AdherentListener.php b/src/Api/Listener/AdherentListener.php
index a18fbe7a090..a58f2098a96 100644
--- a/src/Api/Listener/AdherentListener.php
+++ b/src/Api/Listener/AdherentListener.php
@@ -34,7 +34,7 @@ public function onPostWrite(ViewEvent $viewEvent): void
 
         if (
             !\in_array($request->getMethod(), [Request::METHOD_POST, Request::METHOD_PUT])
-            || '_api_/adherents/{uuid}/elect_put' !== $request->attributes->get('_api_operation_name')
+            || '_api_/v3/adherents/{uuid}/elect_put' !== $request->attributes->get('_api_operation_name')
         ) {
             return;
         }
diff --git a/src/Api/Listener/PostEventInscriptionEditListener.php b/src/Api/Listener/PostEventInscriptionEditListener.php
index 481ebd53c0f..b5595067a95 100644
--- a/src/Api/Listener/PostEventInscriptionEditListener.php
+++ b/src/Api/Listener/PostEventInscriptionEditListener.php
@@ -26,7 +26,7 @@ public function onEventInscriptionChange(RequestEvent $requestEvent): void
     {
         $request = $requestEvent->getRequest();
 
-        if ('_api_/event_inscriptions/{uuid}.{_format}_put' !== $request->attributes->get('_api_operation_name')) {
+        if ('_api_/event_inscriptions/{uuid}{._format}_put' !== $request->attributes->get('_api_operation_name')) {
             return;
         }
 
diff --git a/src/Controller/Api/UserController.php b/src/Controller/Api/UserController.php
index 9a71b5a558f..3ff5aea1787 100644
--- a/src/Controller/Api/UserController.php
+++ b/src/Controller/Api/UserController.php
@@ -2,7 +2,6 @@
 
 namespace App\Controller\Api;
 
-use ApiPlatform\Problem\Serializer\ConstraintViolationListNormalizer;
 use App\AdherentProfile\Password;
 use App\Entity\Adherent;
 use App\Entity\AdherentResetPasswordToken;
@@ -86,10 +85,7 @@ public function createPassword(
         $errors = $validator->validate($password);
 
         if (0 !== $errors->count()) {
-            return JsonResponse::fromJsonString(
-                $serializer->serialize($errors, ConstraintViolationListNormalizer::FORMAT),
-                Response::HTTP_BAD_REQUEST
-            );
+            return $this->json($errors, Response::HTTP_BAD_REQUEST);
         }
 
         try {
diff --git a/src/Entity/Action/Action.php b/src/Entity/Action/Action.php
index c3ae8dd55f8..d5b33431e10 100644
--- a/src/Entity/Action/Action.php
+++ b/src/Entity/Action/Action.php
@@ -55,16 +55,17 @@
             uriTemplate: '/v3/actions/{uuid}',
             security: "object.getAuthor() == user or user.hasDelegatedFromUser(object.getAuthor(), 'actions')"
         ),
-        new Put(
+        new HttpOperation(
+            method: 'PUT',
             uriTemplate: '/v3/actions/{uuid}/cancel',
-            defaults: ['_api_receive' => false],
+            deserialize: false,
             requirements: ['uuid' => '%pattern_uuid%'],
             controller: CancelActionController::class
         ),
         new HttpOperation(
             method: 'POST|DELETE',
             uriTemplate: '/v3/actions/{uuid}/register',
-            defaults: ['_api_receive' => false],
+            deserialize: false,
             requirements: ['uuid' => '%pattern_uuid%'],
             controller: RegisterController::class
         ),
diff --git a/src/Entity/AdherentMessage/AbstractAdherentMessage.php b/src/Entity/AdherentMessage/AbstractAdherentMessage.php
index 4065fdbac0d..3e4c5331bde 100644
--- a/src/Entity/AdherentMessage/AbstractAdherentMessage.php
+++ b/src/Entity/AdherentMessage/AbstractAdherentMessage.php
@@ -9,6 +9,7 @@
 use ApiPlatform\Metadata\Delete;
 use ApiPlatform\Metadata\Get;
 use ApiPlatform\Metadata\GetCollection;
+use ApiPlatform\Metadata\HttpOperation;
 use ApiPlatform\Metadata\Post;
 use ApiPlatform\Metadata\Put;
 use App\AdherentMessage\AdherentMessageDataObject;
@@ -64,27 +65,31 @@
             normalizationContext: ['groups' => ['message_read']],
             security: "is_granted('REQUEST_SCOPE_GRANTED', 'messages') and (object.getAuthor() == user or user.hasDelegatedFromUser(object.getAuthor(), 'messages'))"
         ),
-        new Post(
+        new HttpOperation(
+            method: 'POST',
             uriTemplate: '/v3/adherent_messages/{uuid}/send',
-            defaults: ['_api_receive' => false],
+            deserialize: false,
             requirements: ['uuid' => '%pattern_uuid%'],
             controller: SendAdherentMessageController::class
         ),
-        new Post(
+        new HttpOperation(
+            method: 'POST',
             uriTemplate: '/v3/adherent_messages/{uuid}/send-test',
-            defaults: ['_api_receive' => false],
+            deserialize: false,
             requirements: ['uuid' => '%pattern_uuid%'],
             controller: SendTestAdherentMessageController::class
         ),
-        new Put(
+        new HttpOperation(
+            method: 'PUT',
             uriTemplate: '/v3/adherent_messages/{uuid}/filter',
-            defaults: ['_api_receive' => false],
+            deserialize: false,
             requirements: ['uuid' => '%pattern_uuid%'],
             controller: UpdateAdherentMessageFilterController::class
         ),
-        new Post(
+        new HttpOperation(
+            method: 'POST',
             uriTemplate: '/v3/adherent_messages/{uuid}/duplicate',
-            defaults: ['_api_receive' => false],
+            deserialize: false,
             requirements: ['uuid' => '%pattern_uuid%'],
             controller: DuplicateMessageController::class
         ),
diff --git a/src/Entity/ElectedRepresentative/ElectedRepresentative.php b/src/Entity/ElectedRepresentative/ElectedRepresentative.php
index 0ee54232d3b..ad868cb885b 100644
--- a/src/Entity/ElectedRepresentative/ElectedRepresentative.php
+++ b/src/Entity/ElectedRepresentative/ElectedRepresentative.php
@@ -131,7 +131,7 @@ class ElectedRepresentative implements EntityAdherentBlameableInterface, EntityA
      */
     #[Groups(['elected_representative_write', 'elected_representative_read'])]
     #[ORM\Column(type: 'boolean', options: ['default' => false])]
-    private $hasFollowedTraining = false;
+    public bool $hasFollowedTraining = false;
 
     /**
      * Mailchimp unsubscribed date
diff --git a/src/Entity/ElectedRepresentative/Mandate.php b/src/Entity/ElectedRepresentative/Mandate.php
index 3299e4ae323..4d7ca429307 100644
--- a/src/Entity/ElectedRepresentative/Mandate.php
+++ b/src/Entity/ElectedRepresentative/Mandate.php
@@ -63,7 +63,7 @@ class Mandate
      */
     #[Groups(['elected_mandate_write', 'elected_mandate_read', 'elected_representative_read'])]
     #[ORM\Column(type: 'boolean', options: ['default' => false])]
-    private $isElected;
+    public $isElected;
 
     /**
      * @var Zone|null
diff --git a/src/Entity/Event/BaseEvent.php b/src/Entity/Event/BaseEvent.php
index b2f910339be..396717ef9f3 100644
--- a/src/Entity/Event/BaseEvent.php
+++ b/src/Entity/Event/BaseEvent.php
@@ -98,16 +98,17 @@
         new HttpOperation(
             method: 'POST|DELETE',
             uriTemplate: '/v3/events/{uuid}/subscribe',
-            defaults: ['_api_receive' => false],
             requirements: ['uuid' => '%pattern_uuid%'],
             controller: SubscribeAsAdherentController::class,
-            security: 'is_granted(\'ROLE_USER\')'
+            security: 'is_granted(\'ROLE_USER\')',
+            deserialize: false
         ),
-        new Post(
+        new HttpOperation(
+            method: 'POST',
             uriTemplate: '/events/{uuid}/subscribe',
-            defaults: ['_api_receive' => false],
             requirements: ['uuid' => '%pattern_uuid%'],
-            controller: SubscribeAsAnonymousController::class
+            controller: SubscribeAsAnonymousController::class,
+            deserialize: false
         ),
         new HttpOperation(
             method: 'POST|DELETE',
@@ -117,11 +118,12 @@
             security: "is_granted('REQUEST_SCOPE_GRANTED', 'events') and is_granted('CAN_MANAGE_EVENT', request.attributes.get('data'))",
             deserialize: false
         ),
-        new Put(
+        new HttpOperation(
+            method: 'PUT',
             uriTemplate: '/v3/events/{uuid}/cancel',
-            defaults: ['_api_receive' => false],
             requirements: ['uuid' => '%pattern_uuid%'],
-            controller: CancelEventController::class
+            controller: CancelEventController::class,
+            deserialize: false
         ),
         new GetCollection(
             uriTemplate: '/v3/events',
diff --git a/src/Entity/Jecoute/JemarcheDataSurvey.php b/src/Entity/Jecoute/JemarcheDataSurvey.php
index 1810e68a268..3004f9b551a 100644
--- a/src/Entity/Jecoute/JemarcheDataSurvey.php
+++ b/src/Entity/Jecoute/JemarcheDataSurvey.php
@@ -4,6 +4,7 @@
 
 use ApiPlatform\Metadata\ApiResource;
 use ApiPlatform\Metadata\GetCollection;
+use ApiPlatform\Metadata\HttpOperation;
 use ApiPlatform\Metadata\Post;
 use App\Controller\Api\Jecoute\JemarcheDataSurveyKpiController;
 use App\Controller\Api\Jecoute\JemarcheDataSurveyReplyController;
@@ -22,9 +23,10 @@
 
 #[ApiResource(
     operations: [
-        new Post(
+        new HttpOperation(
+            method: 'POST',
             uriTemplate: '/v3/jemarche_data_surveys/{uuid}/reply',
-            defaults: ['_api_receive' => false],
+            deserialize: false,
             requirements: ['uuid' => '%pattern_uuid%'],
             controller: JemarcheDataSurveyReplyController::class,
             normalizationContext: ['groups' => ['data_survey_read']],
diff --git a/src/Entity/Jecoute/Region.php b/src/Entity/Jecoute/Region.php
index c1055d5b184..73f9141bb73 100644
--- a/src/Entity/Jecoute/Region.php
+++ b/src/Entity/Jecoute/Region.php
@@ -111,7 +111,6 @@ class Region
     /**
      * @var bool
      */
-    #[Assert\Type('bool')]
     #[ORM\Column(type: 'boolean', options: ['default' => true])]
     private $enabled;
 
diff --git a/src/Entity/Jecoute/Riposte.php b/src/Entity/Jecoute/Riposte.php
index 2752e0231da..0e7f3607052 100644
--- a/src/Entity/Jecoute/Riposte.php
+++ b/src/Entity/Jecoute/Riposte.php
@@ -6,6 +6,7 @@
 use ApiPlatform\Metadata\Delete;
 use ApiPlatform\Metadata\Get;
 use ApiPlatform\Metadata\GetCollection;
+use ApiPlatform\Metadata\HttpOperation;
 use ApiPlatform\Metadata\Post;
 use ApiPlatform\Metadata\Put;
 use App\Controller\Api\Jecoute\IncrementRiposteStatsCounterController;
@@ -39,12 +40,13 @@
             uriTemplate: '/v3/ripostes/{uuid}',
             requirements: ['uuid' => '%pattern_uuid%']
         ),
-        new Put(
+        new HttpOperation(
+            method: 'PUT',
             uriTemplate: '/v3/ripostes/{uuid}/action/{action}',
-            defaults: ['_api_receive' => false],
             requirements: ['uuid' => '%pattern_uuid%'],
             controller: IncrementRiposteStatsCounterController::class,
-            security: "is_granted('REQUEST_SCOPE_GRANTED', 'ripostes') or (is_granted('ROLE_USER') and is_granted('ROLE_OAUTH_SCOPE_JEMARCHE_APP'))"
+            security: "is_granted('REQUEST_SCOPE_GRANTED', 'ripostes') or (is_granted('ROLE_USER') and is_granted('ROLE_OAUTH_SCOPE_JEMARCHE_APP'))",
+            deserialize: false,
         ),
         new GetCollection(
             uriTemplate: '/v3/ripostes',
@@ -103,7 +105,6 @@ class Riposte implements AuthorInterface, IndexableEntityInterface
     /**
      * @var bool
      */
-    #[Assert\Type('bool')]
     #[Groups(['riposte_list_read', 'riposte_read', 'riposte_write'])]
     #[ORM\Column(type: 'boolean', options: ['default' => true])]
     private $withNotification;
@@ -111,7 +112,6 @@ class Riposte implements AuthorInterface, IndexableEntityInterface
     /**
      * @var bool
      */
-    #[Assert\Type('bool')]
     #[Groups(['riposte_list_read', 'riposte_read', 'riposte_write'])]
     #[ORM\Column(type: 'boolean', options: ['default' => true])]
     private $enabled;
diff --git a/src/Entity/MyTeam/MyTeam.php b/src/Entity/MyTeam/MyTeam.php
index 12ec7115f1c..4f8445d5f6e 100644
--- a/src/Entity/MyTeam/MyTeam.php
+++ b/src/Entity/MyTeam/MyTeam.php
@@ -4,7 +4,7 @@
 
 use ApiPlatform\Metadata\ApiResource;
 use ApiPlatform\Metadata\GetCollection;
-use ApiPlatform\Metadata\Post;
+use ApiPlatform\Metadata\HttpOperation;
 use App\Api\Filter\MyTeamScopeFilter;
 use App\Controller\Api\MyTeam\InitializeMyTeamController;
 use App\Entity\Adherent;
@@ -26,9 +26,10 @@
             uriTemplate: '/v3/my_teams',
             normalizationContext: ['groups' => ['my_team_read_list']]
         ),
-        new Post(
+        new HttpOperation(
+            method: 'POST',
             uriTemplate: '/v3/my_teams',
-            defaults: ['_api_receive' => false],
+            deserialize: false,
             controller: InitializeMyTeamController::class
         ),
     ],
diff --git a/src/Entity/Pap/Campaign.php b/src/Entity/Pap/Campaign.php
index af1994d9d2c..6230d7a7cb9 100644
--- a/src/Entity/Pap/Campaign.php
+++ b/src/Entity/Pap/Campaign.php
@@ -60,7 +60,6 @@
         ),
         new Get(
             uriTemplate: '/v3/pap_campaigns/{uuid}/questioners',
-            defaults: ['_api_receive' => false],
             requirements: ['uuid' => '%pattern_uuid%'],
             controller: GetPapCampaignQuestionersStatsController::class,
             security: "is_granted('REQUEST_SCOPE_GRANTED', ['pap_v2', 'pap'])"
diff --git a/src/Entity/Pap/CampaignHistory.php b/src/Entity/Pap/CampaignHistory.php
index bbe9e96396e..12994b10ef9 100644
--- a/src/Entity/Pap/CampaignHistory.php
+++ b/src/Entity/Pap/CampaignHistory.php
@@ -8,6 +8,7 @@
 use ApiPlatform\Metadata\ApiFilter;
 use ApiPlatform\Metadata\ApiResource;
 use ApiPlatform\Metadata\GetCollection;
+use ApiPlatform\Metadata\HttpOperation;
 use ApiPlatform\Metadata\Post;
 use ApiPlatform\Metadata\Put;
 use App\Api\Filter\AdherentIdentityFilter;
@@ -42,9 +43,10 @@
             requirements: ['uuid' => '%pattern_uuid%'],
             security: 'is_granted(\'ROLE_OAUTH_SCOPE_JEMARCHE_APP\') and object.getQuestioner() == user'
         ),
-        new Post(
+        new HttpOperation(
+            method: 'POST',
             uriTemplate: '/v3/pap_campaign_histories/{uuid}/reply',
-            defaults: ['_api_receive' => false],
+            deserialize: false,
             requirements: ['uuid' => '%pattern_uuid%'],
             controller: CampaignHistoryReplyController::class,
             normalizationContext: ['groups' => ['data_survey_read']]
diff --git a/src/Entity/Phoning/Campaign.php b/src/Entity/Phoning/Campaign.php
index 45016b4d83b..70624244c15 100644
--- a/src/Entity/Phoning/Campaign.php
+++ b/src/Entity/Phoning/Campaign.php
@@ -63,7 +63,6 @@
         ),
         new Get(
             uriTemplate: '/v3/phoning_campaigns/{uuid}/callers',
-            defaults: ['_api_receive' => false],
             requirements: ['uuid' => '%pattern_uuid%'],
             controller: GetPhoningCampaignCallersStatsController::class,
             security: "is_granted('REQUEST_SCOPE_GRANTED', 'phoning_campaign')"
diff --git a/src/Entity/Phoning/CampaignHistory.php b/src/Entity/Phoning/CampaignHistory.php
index 80da23a8c06..66ea0a03f12 100644
--- a/src/Entity/Phoning/CampaignHistory.php
+++ b/src/Entity/Phoning/CampaignHistory.php
@@ -7,7 +7,7 @@
 use ApiPlatform\Metadata\ApiFilter;
 use ApiPlatform\Metadata\ApiResource;
 use ApiPlatform\Metadata\GetCollection;
-use ApiPlatform\Metadata\Post;
+use ApiPlatform\Metadata\HttpOperation;
 use ApiPlatform\Metadata\Put;
 use App\Api\Filter\AdherentIdentityFilter;
 use App\Controller\Api\Phoning\CampaignHistoryReplyController;
@@ -37,9 +37,10 @@
             requirements: ['uuid' => '%pattern_uuid%'],
             security: 'is_granted(\'IS_CAMPAIGN_HISTORY_CALLER\', object)'
         ),
-        new Post(
+        new HttpOperation(
+            method: 'POST',
             uriTemplate: '/v3/phoning_campaign_histories/{uuid}/reply',
-            defaults: ['_api_receive' => false],
+            deserialize: false,
             requirements: ['uuid' => '%pattern_uuid%'],
             controller: CampaignHistoryReplyController::class,
             normalizationContext: ['groups' => ['data_survey_read']]
diff --git a/src/Entity/ProcurationV2/Request.php b/src/Entity/ProcurationV2/Request.php
index 62a161b1047..c7d4e5cf78c 100644
--- a/src/Entity/ProcurationV2/Request.php
+++ b/src/Entity/ProcurationV2/Request.php
@@ -8,8 +8,8 @@
 use ApiPlatform\Metadata\ApiResource;
 use ApiPlatform\Metadata\Get;
 use ApiPlatform\Metadata\GetCollection;
+use ApiPlatform\Metadata\HttpOperation;
 use ApiPlatform\Metadata\Patch;
-use ApiPlatform\Metadata\Post;
 use App\Api\Filter\OrTextSearchFilter;
 use App\Api\Filter\ProcurationZoneFilter;
 use App\Controller\Api\Procuration\GetMatchedProxiesController;
@@ -42,15 +42,17 @@
             requirements: ['uuid' => '%pattern_uuid%'],
             normalizationContext: ['groups' => ['procuration_request_read'], 'enable_tag_translator' => true]
         ),
-        new Post(
+        new HttpOperation(
+            method: 'POST',
             uriTemplate: '/requests/{uuid}/match',
-            defaults: ['_api_receive' => false],
+            deserialize: false,
             requirements: ['uuid' => '%pattern_uuid%'],
             controller: MatchRequestWithProxyController::class
         ),
-        new Post(
+        new HttpOperation(
+            method: 'POST',
             uriTemplate: '/requests/{uuid}/unmatch',
-            defaults: ['_api_receive' => false],
+            deserialize: false,
             requirements: ['uuid' => '%pattern_uuid%'],
             controller: UnmatchRequestAndProxyController::class
         ),
diff --git a/src/Entity/VotingPlatform/Designation/Designation.php b/src/Entity/VotingPlatform/Designation/Designation.php
index 9d47a53f46b..21e3d494565 100644
--- a/src/Entity/VotingPlatform/Designation/Designation.php
+++ b/src/Entity/VotingPlatform/Designation/Designation.php
@@ -7,6 +7,7 @@
 use ApiPlatform\Metadata\ApiResource;
 use ApiPlatform\Metadata\Get;
 use ApiPlatform\Metadata\GetCollection;
+use ApiPlatform\Metadata\HttpOperation;
 use ApiPlatform\Metadata\Post;
 use ApiPlatform\Metadata\Put;
 use App\Api\Filter\InZoneOfScopeFilter;
@@ -54,12 +55,13 @@
             security: "is_granted('REQUEST_SCOPE_GRANTED', 'designation')",
             validationContext: ['groups' => UpdateDesignationGroupGenerator::class]
         ),
-        new Put(
+        new HttpOperation(
+            method: 'PUT',
             uriTemplate: '/designations/{uuid}/cancel',
-            defaults: ['_api_receive' => false],
             requirements: ['uuid' => '%pattern_uuid%'],
             controller: CancelElectionController::class,
-            security: "is_granted('REQUEST_SCOPE_GRANTED', 'designation')"
+            security: "is_granted('REQUEST_SCOPE_GRANTED', 'designation')",
+            deserialize: false
         ),
         new GetCollection(normalizationContext: ['groups' => ['designation_list']]),
         new Post(validationContext: ['groups' => ['api_designation_write']]),
@@ -273,7 +275,7 @@ class Designation implements EntityAdministratorBlameableInterface, EntityAdhere
 
     #[Groups(['designation_read', 'designation_list'])]
     #[ORM\Column(type: 'boolean', options: ['default' => false])]
-    private bool $isCanceled = false;
+    public bool $isCanceled = false;
 
     #[ORM\Column(nullable: true)]
     public ?string $alertTitle = null;
diff --git a/src/Normalizer/CommitteeCandidacyDenormalizer.php b/src/Normalizer/CommitteeCandidacyDenormalizer.php
index b68346ab6a2..69e921ac8de 100644
--- a/src/Normalizer/CommitteeCandidacyDenormalizer.php
+++ b/src/Normalizer/CommitteeCandidacyDenormalizer.php
@@ -50,6 +50,6 @@ public function getSupportedTypes(?string $format): array
 
     public function supportsDenormalization($data, string $type, ?string $format = null, array $context = []): bool
     {
-        return CommitteeCandidacy::class === $type && '_api_/committee_candidacies_post' === $context['operation_name'];
+        return CommitteeCandidacy::class === $type && '_api_/v3/committee_candidacies_post' === $context['operation_name'];
     }
 }
diff --git a/src/Normalizer/ConstraintViolationListNormalizer.php b/src/Normalizer/ConstraintViolationListNormalizer.php
index d0eca02fe06..813764a6dd7 100644
--- a/src/Normalizer/ConstraintViolationListNormalizer.php
+++ b/src/Normalizer/ConstraintViolationListNormalizer.php
@@ -2,6 +2,7 @@
 
 namespace App\Normalizer;
 
+use ApiPlatform\Validator\Exception\ConstraintViolationListAwareExceptionInterface;
 use Symfony\Component\Serializer\NameConverter\NameConverterInterface;
 use Symfony\Component\Serializer\Normalizer\NormalizerInterface;
 use Symfony\Component\Validator\ConstraintViolationListInterface;
@@ -14,6 +15,10 @@ public function __construct(private readonly NameConverterInterface $nameConvert
 
     public function normalize($object, ?string $format = null, array $context = []): array|string|int|float|bool|\ArrayObject|null
     {
+        if ($object instanceof ConstraintViolationListAwareExceptionInterface) {
+            $object = $object->getConstraintViolationList();
+        }
+
         $violations = [];
 
         foreach ($object as $violation) {
@@ -38,11 +43,12 @@ public function getSupportedTypes(?string $format): array
         return [
             '*' => null,
             ConstraintViolationListInterface::class => true,
+            ConstraintViolationListAwareExceptionInterface::class => true,
         ];
     }
 
     public function supportsNormalization($data, ?string $format = null, array $context = []): bool
     {
-        return $data instanceof ConstraintViolationListInterface;
+        return $data instanceof ConstraintViolationListInterface || $data instanceof ConstraintViolationListAwareExceptionInterface;
     }
 }
diff --git a/src/Normalizer/DesignationDenormalizer.php b/src/Normalizer/DesignationDenormalizer.php
index 815c7cf46a1..402348bb682 100644
--- a/src/Normalizer/DesignationDenormalizer.php
+++ b/src/Normalizer/DesignationDenormalizer.php
@@ -59,6 +59,6 @@ public function supportsDenormalization($data, string $type, ?string $format = n
     {
         return !isset($context[__CLASS__])
             && is_a($type, Designation::class, true)
-            && \in_array($context['operation_name'] ?? null, ['_api_/designations.{_format}_post', '_api_/designations/{uuid}_put'], true);
+            && \in_array($context['operation_name'] ?? null, ['_api_/v3/designations{._format}_post', '_api_/v3/designations/{uuid}_put'], true);
     }
 }
diff --git a/src/Normalizer/DocumentNormalizer.php b/src/Normalizer/DocumentNormalizer.php
index e3e339d5dc2..19113989ee3 100644
--- a/src/Normalizer/DocumentNormalizer.php
+++ b/src/Normalizer/DocumentNormalizer.php
@@ -54,7 +54,7 @@ public function supportsNormalization($data, $format = null, array $context = []
     private function getUrl(Document $document): string
     {
         return $this->urlGenerator->generate(
-            '_api_/documents/{uuid}/file_get',
+            '_api_/v3/documents/{uuid}/file_get',
             ['uuid' => $document->getUuid()],
             UrlGeneratorInterface::ABSOLUTE_URL
         );
diff --git a/src/Normalizer/ElectedMandateDenormalizer.php b/src/Normalizer/ElectedMandateDenormalizer.php
index 2d91fe0d81b..8c896ccd5b2 100644
--- a/src/Normalizer/ElectedMandateDenormalizer.php
+++ b/src/Normalizer/ElectedMandateDenormalizer.php
@@ -54,6 +54,6 @@ public function supportsDenormalization($data, string $type, ?string $format = n
     {
         return !isset($context[__CLASS__])
             && is_a($type, Mandate::class, true)
-            && '_api_/elected_mandates_post' === ($context['operation_name'] ?? null);
+            && '_api_/v3/elected_mandates_post' === ($context['operation_name'] ?? null);
     }
 }
diff --git a/src/Normalizer/FormationNormalizer.php b/src/Normalizer/FormationNormalizer.php
index c5db38558b0..91498141a6a 100644
--- a/src/Normalizer/FormationNormalizer.php
+++ b/src/Normalizer/FormationNormalizer.php
@@ -59,7 +59,7 @@ private function getUrl(Formation $formation): string
             $parameters['scope'] = $scope->getCode();
         }
 
-        return $this->urlGenerator->generate('_api_/formations/{uuid}/file_get', $parameters, UrlGeneratorInterface::ABSOLUTE_URL);
+        return $this->urlGenerator->generate('_api_/v3/formations/{uuid}/file_get', $parameters, UrlGeneratorInterface::ABSOLUTE_URL);
     }
 
     private function getCurrentScope(): ?ScopeGeneratorInterface
diff --git a/src/Normalizer/GeneralMeetingReportNormalizer.php b/src/Normalizer/GeneralMeetingReportNormalizer.php
index 952b039dded..f635ea93bd8 100644
--- a/src/Normalizer/GeneralMeetingReportNormalizer.php
+++ b/src/Normalizer/GeneralMeetingReportNormalizer.php
@@ -59,7 +59,7 @@ private function getUrl(GeneralMeetingReport $generalMeetingReport): string
             $parameters['scope'] = $scope->getCode();
         }
 
-        return $this->urlGenerator->generate('_api_/general_meeting_reports/{uuid}/file_get', $parameters, UrlGeneratorInterface::ABSOLUTE_URL);
+        return $this->urlGenerator->generate('_api_/v3/general_meeting_reports/{uuid}/file_get', $parameters, UrlGeneratorInterface::ABSOLUTE_URL);
     }
 
     private function getCurrentScope(): ?ScopeGeneratorInterface
diff --git a/src/Normalizer/UpdateElectedMandateDenormalizer.php b/src/Normalizer/UpdateElectedMandateDenormalizer.php
index 9aca6eb2b14..32812f11316 100644
--- a/src/Normalizer/UpdateElectedMandateDenormalizer.php
+++ b/src/Normalizer/UpdateElectedMandateDenormalizer.php
@@ -66,7 +66,7 @@ public function supportsDenormalization($data, string $type, ?string $format = n
     {
         return !isset($context[__CLASS__])
             && is_a($type, Mandate::class, true)
-            && '_api_/elected_mandates/{uuid}_put' === ($context['operation_name'] ?? null);
+            && '_api_/v3/elected_mandates/{uuid}_put' === ($context['operation_name'] ?? null);
     }
 
     private function handleChanges(
diff --git a/src/Procuration/Listener/CheckUpdatedStatusListener.php b/src/Procuration/Listener/CheckUpdatedStatusListener.php
index 92534ed520a..ab66922ee5d 100644
--- a/src/Procuration/Listener/CheckUpdatedStatusListener.php
+++ b/src/Procuration/Listener/CheckUpdatedStatusListener.php
@@ -36,8 +36,8 @@ public function preDeserialize(RequestEvent $event): void
         $operationName = $request->attributes->get('_api_operation_name');
 
         if (!\in_array($operationName, [
-            '_api_/requests/{uuid}_patch',
-            '_api_/proxies/{uuid}_patch',
+            '_api_/v3/requests/{uuid}_patch',
+            '_api_/v3/proxies/{uuid}_patch',
         ], true)) {
             return;
         }
diff --git a/src/Procuration/Listener/ProcurationSlotStatusActionListener.php b/src/Procuration/Listener/ProcurationSlotStatusActionListener.php
index 8c60a32ffd3..7454d991de7 100644
--- a/src/Procuration/Listener/ProcurationSlotStatusActionListener.php
+++ b/src/Procuration/Listener/ProcurationSlotStatusActionListener.php
@@ -34,8 +34,8 @@ public function preDeserialize(RequestEvent $event): void
         $operationName = $request->attributes->get('_api_operation_name');
 
         if (!\in_array($operationName, [
-            '_api_/request_slots/{uuid}_put',
-            '_api_/proxy_slots/{uuid}_put',
+            '_api_/v3/request_slots/{uuid}_put',
+            '_api_/v3/proxy_slots/{uuid}_put',
         ], true)) {
             return;
         }
@@ -55,8 +55,8 @@ public function preWrite(ViewEvent $event): void
         $operationName = $request->attributes->get('_api_operation_name');
 
         if (!\in_array($operationName, [
-            '_api_/request_slots/{uuid}_put',
-            '_api_/proxy_slots/{uuid}_put',
+            '_api_/v3/request_slots/{uuid}_put',
+            '_api_/v3/proxy_slots/{uuid}_put',
         ], true)) {
             return;
         }
diff --git a/src/Procuration/Listener/ProcurationStatusActionListener.php b/src/Procuration/Listener/ProcurationStatusActionListener.php
index 7ab5be85df4..591e1f64dcc 100644
--- a/src/Procuration/Listener/ProcurationStatusActionListener.php
+++ b/src/Procuration/Listener/ProcurationStatusActionListener.php
@@ -37,8 +37,8 @@ public function preDeserialize(RequestEvent $event): void
         $operationName = $request->attributes->get('_api_operation_name');
 
         if (!\in_array($operationName, [
-            '_api_/requests/{uuid}_patch',
-            '_api_/proxies/{uuid}_patch',
+            '_api_/v3/requests/{uuid}_patch',
+            '_api_/v3/proxies/{uuid}_patch',
         ], true)) {
             return;
         }
@@ -66,8 +66,8 @@ public function preWrite(ViewEvent $event): void
         $operationName = $request->attributes->get('_api_operation_name');
 
         if (!\in_array($operationName, [
-            '_api_/requests/{uuid}_patch',
-            '_api_/proxies/{uuid}_patch',
+            '_api_/v3/requests/{uuid}_patch',
+            '_api_/v3/proxies/{uuid}_patch',
         ], true)) {
             return;
         }