diff --git a/src/Bundle/ChillPersonBundle/Controller/AccompanyingCourseApiController.php b/src/Bundle/ChillPersonBundle/Controller/AccompanyingCourseApiController.php
index 0da1677ac..d2696910d 100644
--- a/src/Bundle/ChillPersonBundle/Controller/AccompanyingCourseApiController.php
+++ b/src/Bundle/ChillPersonBundle/Controller/AccompanyingCourseApiController.php
@@ -11,7 +11,9 @@ declare(strict_types=1);
 
 namespace Chill\PersonBundle\Controller;
 
+use Chill\MainBundle\Audit\TriggerAuditInterface;
 use Chill\MainBundle\CRUD\Controller\ApiController;
+use Chill\MainBundle\Entity\AuditTrail;
 use Chill\MainBundle\Entity\Scope;
 use Chill\MainBundle\Entity\User;
 use Chill\MainBundle\Serializer\Model\Collection;
@@ -39,6 +41,7 @@ use Symfony\Component\Routing\Annotation\Route;
 use Symfony\Component\Security\Core\Exception\AccessDeniedException;
 use Symfony\Component\Serializer\Exception\RuntimeException;
 use Symfony\Component\Serializer\Normalizer\AbstractNormalizer;
+use Symfony\Component\Translation\TranslatableMessage;
 use Symfony\Component\Validator\ConstraintViolationList;
 use Symfony\Component\Validator\ConstraintViolationListInterface;
 use Symfony\Component\Validator\Validator\ValidatorInterface;
@@ -46,7 +49,16 @@ use Symfony\Component\Workflow\Registry;
 
 final class AccompanyingCourseApiController extends ApiController
 {
-    public function __construct(private readonly AccompanyingPeriodRepository $accompanyingPeriodRepository, private readonly EventDispatcherInterface $eventDispatcher, private readonly ReferralsSuggestionInterface $referralAvailable, private readonly Registry $registry, private readonly ValidatorInterface $validator, private readonly \Doctrine\Persistence\ManagerRegistry $managerRegistry, private readonly AccompanyingPeriodWorkRepository $accompanyingPeriodWorkRepository) {}
+    public function __construct(
+        private readonly AccompanyingPeriodRepository $accompanyingPeriodRepository,
+        private readonly EventDispatcherInterface $eventDispatcher,
+        private readonly ReferralsSuggestionInterface $referralAvailable,
+        private readonly Registry $registry,
+        private readonly ValidatorInterface $validator,
+        private readonly \Doctrine\Persistence\ManagerRegistry $managerRegistry,
+        private readonly AccompanyingPeriodWorkRepository $accompanyingPeriodWorkRepository,
+        private readonly TriggerAuditInterface $triggerAudit,
+    ) {}
 
     public function commentApi($id, Request $request, string $_format): Response
     {
@@ -131,7 +143,7 @@ final class AccompanyingCourseApiController extends ApiController
     /**
      * @ParamConverter("person", options={"id": "person_id"})
      */
-    public function getAccompanyingPeriodsByPerson(Person $person)
+    public function getAccompanyingPeriodsByPerson(Person $person): JsonResponse
     {
         $accompanyingPeriods = $person->getCurrentAccompanyingPeriods();
         $accompanyingPeriodsChecked = array_filter(
@@ -172,6 +184,24 @@ final class AccompanyingCourseApiController extends ApiController
 
         $this->managerRegistry->getManager()->flush();
 
+        if (AccompanyingPeriod::STEP_DRAFT !== $accompanyingPeriod->getStep()) {
+            if (Request::METHOD_POST === $request->getMethod()) {
+                $this->triggerAudit->triggerAudit(
+                    AuditTrail::AUDIT_UPDATE,
+                    $accompanyingPeriod,
+                    description: new TranslatableMessage('audit.accompanying_period.add_participation'),
+                    metadata: ['person_id' => $participation->getPerson()->getId()],
+                );
+            } else {
+                $this->triggerAudit->triggerAudit(
+                    AuditTrail::AUDIT_DELETE,
+                    $accompanyingPeriod,
+                    description: new TranslatableMessage('audit.accompanying_period.remove_participation'),
+                    metadata: ['person_id' => $participation->getPerson()->getId()],
+                );
+            }
+        }
+
         return $this->json($participation, 200, [], ['groups' => ['read']]);
     }
 
@@ -220,6 +250,24 @@ final class AccompanyingCourseApiController extends ApiController
 
         $this->managerRegistry->getManager()->flush();
 
+        if (AccompanyingPeriod::STEP_DRAFT !== $accompanyingPeriod->getStep()) {
+            if (Request::METHOD_POST === $request->getMethod()) {
+                $this->triggerAudit->triggerAudit(
+                    AuditTrail::AUDIT_UPDATE,
+                    $accompanyingPeriod,
+                    description: new TranslatableMessage('audit.accompanying_period.set_requestor'),
+                    metadata: ['t' => $accompanyingPeriod->getRequestorKind(), 'requestor' => $accompanyingPeriod->getRequestor()->getId()],
+                );
+            } else {
+                $this->triggerAudit->triggerAudit(
+                    AuditTrail::AUDIT_DELETE,
+                    $accompanyingPeriod,
+                    description: new TranslatableMessage('audit.accompanying_period.remove_requestor'),
+                    metadata: ['t' => $accompanyingPeriod->getRequestorKind(), 'requestor' => $accompanyingPeriod->getRequestor()->getId()],
+                );
+            }
+        }
+
         return $this->json($accompanyingPeriod->getRequestor(), 200, [], ['groups' => ['read']]);
     }
 
@@ -283,6 +331,17 @@ final class AccompanyingCourseApiController extends ApiController
             $accompanyingCourse->setConfidential(!$accompanyingCourse->isConfidential());
 
             $this->managerRegistry->getManager()->flush();
+
+            if (AccompanyingPeriod::STEP_DRAFT !== $accompanyingCourse->getStep()) {
+                $this->triggerAudit->triggerAudit(
+                    AuditTrail::AUDIT_UPDATE,
+                    $accompanyingCourse,
+                    description: $accompanyingCourse->isConfidential() ?
+                        new TranslatableMessage('audit.accompanying_period.set_confidential') :
+                        new TranslatableMessage('audit.accompanying_period.remove_confidential'),
+                    metadata: ['is_confidential' => $accompanyingCourse->isConfidential()],
+                );
+            }
         }
 
         return $this->json($accompanyingCourse->isConfidential(), Response::HTTP_OK, [], ['groups' => ['read']]);
@@ -300,6 +359,16 @@ final class AccompanyingCourseApiController extends ApiController
             $status = 'regular' === $accompanyingCourse->getIntensity() ? 'occasional' : 'regular';
             $accompanyingCourse->setIntensity($status);
             $this->managerRegistry->getManager()->flush();
+
+            if (AccompanyingPeriod::STEP_DRAFT !== $accompanyingCourse->getStep()) {
+                $this->triggerAudit->triggerAudit(
+                    AuditTrail::AUDIT_UPDATE,
+                    $accompanyingCourse,
+                    description:
+                        new TranslatableMessage('audit.accompanying_period.set_intensity', ['intensity' => $accompanyingCourse->getIntensity()]),
+                    metadata: ['intensity' => $accompanyingCourse->getIntensity()],
+                );
+            }
         }
 
         return $this->json($accompanyingCourse->getIntensity(), Response::HTTP_OK, [], ['groups' => ['read']]);
diff --git a/src/Bundle/ChillPersonBundle/translations/messages+intl-icu.fr.yaml b/src/Bundle/ChillPersonBundle/translations/messages+intl-icu.fr.yaml
index 5cd84b305..25f8c9f2a 100644
--- a/src/Bundle/ChillPersonBundle/translations/messages+intl-icu.fr.yaml
+++ b/src/Bundle/ChillPersonBundle/translations/messages+intl-icu.fr.yaml
@@ -218,3 +218,11 @@ audit:
             Composition n°{id} du {from, date, long} (toujours active)
         unknown_composition: >-
             Composition inconnue avec identifiant {id}
+    accompanying_period:
+        set_intensity: >-
+            Intensité modifiée à {intensity, select,
+                occasional {occasionnel}
+                regular {régulier}
+                other {inconnu}
+            }
+
diff --git a/src/Bundle/ChillPersonBundle/translations/messages.fr.yml b/src/Bundle/ChillPersonBundle/translations/messages.fr.yml
index 2620e6563..8423f101b 100644
--- a/src/Bundle/ChillPersonBundle/translations/messages.fr.yml
+++ b/src/Bundle/ChillPersonBundle/translations/messages.fr.yml
@@ -1580,6 +1580,12 @@ audit:
         person_not_found_with_id: "Personne inconnue avec l'identifiant {id}"
     accompanying_period:
         accompanying_period_number: "Parcours n°{id}"
+        add_participation: 'Ajout d''une participation'
+        remove_participation: 'Suppression d''une participation'
+        set_requestor: 'Ajout d''un référent'
+        remove_requestor: 'Suppression d''un référent'
+        set_confidential: 'Indique parcours comme confidentiel'
+        remove_confidential: 'Indique parcours comme non-confidentiel'
     accompanying_period_work:
         accompanying_period_work_number: "Action d'accompagnement n°{id}"
     person_resource: