diff --git a/api/src/profile/application/index.js b/api/src/profile/application/index.js
index 23252b58463..5f429ab8881 100644
--- a/api/src/profile/application/index.js
+++ b/api/src/profile/application/index.js
@@ -6,7 +6,37 @@ import { attestationController } from './attestation-controller.js';
 import { profileController } from './profile-controller.js';
 
 const register = async function (server) {
-  server.route([
+  const adminRoutes = [
+    {
+      method: 'GET',
+      path: '/api/admin/users/{id}/profile',
+      config: {
+        pre: [
+          {
+            method: (request, h) =>
+              securityPreHandlers.hasAtLeastOneAccessOf([
+                securityPreHandlers.checkAdminMemberHasRoleSuperAdmin,
+                securityPreHandlers.checkAdminMemberHasRoleCertif,
+                securityPreHandlers.checkAdminMemberHasRoleSupport,
+                securityPreHandlers.checkAdminMemberHasRoleMetier,
+              ])(request, h),
+          },
+        ],
+        validate: {
+          params: Joi.object({
+            id: identifiersType.userId,
+          }),
+        },
+        handler: profileController.getProfileForAdmin,
+        notes: [
+          "- Permet à un administrateur de récupérer le nombre total de Pix d'un utilisateur\n et de ses scorecards",
+        ],
+        tags: ['api', 'user', 'profile'],
+      },
+    },
+  ];
+
+  const userRoutes = [
     {
       method: 'GET',
       path: '/api/users/{userId}/attestations/{attestationKey}',
@@ -57,33 +87,38 @@ const register = async function (server) {
       },
     },
     {
-      method: 'GET',
-      path: '/api/admin/users/{id}/profile',
+      method: 'POST',
+      path: '/api/users/{userId}/profile/share-reward',
       config: {
         pre: [
           {
-            method: (request, h) =>
-              securityPreHandlers.hasAtLeastOneAccessOf([
-                securityPreHandlers.checkAdminMemberHasRoleSuperAdmin,
-                securityPreHandlers.checkAdminMemberHasRoleCertif,
-                securityPreHandlers.checkAdminMemberHasRoleSupport,
-                securityPreHandlers.checkAdminMemberHasRoleMetier,
-              ])(request, h),
+            method: securityPreHandlers.checkRequestedUserIsAuthenticatedUser,
+            assign: 'requestedUserIsAuthenticatedUser',
           },
         ],
         validate: {
           params: Joi.object({
-            id: identifiersType.userId,
+            userId: identifiersType.userId,
+          }),
+          payload: Joi.object({
+            data: {
+              attributes: {
+                campaignParticipationId: identifiersType.campaignParticipationId,
+                profileRewardId: identifiersType.profileRewardId,
+              },
+            },
           }),
         },
-        handler: profileController.getProfileForAdmin,
+        handler: profileController.shareProfileReward,
         notes: [
-          "- Permet à un administrateur de récupérer le nombre total de Pix d'un utilisateur\n et de ses scorecards",
+          "- Cette route permet à un utilisateur de partager l'obtention de son attestation avec une organisation\n",
         ],
-        tags: ['api', 'user', 'profile'],
+        tags: ['api', 'user', 'profile', 'reward'],
       },
     },
-  ]);
+  ];
+
+  server.route([...adminRoutes, ...userRoutes]);
 };
 
 const name = 'profile-api';
diff --git a/api/src/profile/application/profile-controller.js b/api/src/profile/application/profile-controller.js
index 14c26971a48..c675f0b40d1 100644
--- a/api/src/profile/application/profile-controller.js
+++ b/api/src/profile/application/profile-controller.js
@@ -18,9 +18,18 @@ const getProfileForAdmin = function (request, h, dependencies = { profileSeriali
   return usecases.getUserProfile({ userId, locale }).then(dependencies.profileSerializer.serialize);
 };
 
+const shareProfileReward = async function (request, h) {
+  const userId = request.params.userId;
+  const { profileRewardId, campaignParticipationId } = request.payload.data.attributes;
+
+  await usecases.shareProfileReward({ userId, profileRewardId, campaignParticipationId });
+  return h.response().code(201);
+};
+
 const profileController = {
   getProfile,
   getProfileForAdmin,
+  shareProfileReward,
 };
 
 export { profileController };
diff --git a/api/src/shared/domain/types/identifiers-type.js b/api/src/shared/domain/types/identifiers-type.js
index 98a1339687d..273cd84f3dc 100644
--- a/api/src/shared/domain/types/identifiers-type.js
+++ b/api/src/shared/domain/types/identifiers-type.js
@@ -55,6 +55,7 @@ const typesPositiveInteger32bits = [
   'ownerId',
   'passageId',
   'placeId',
+  'profileRewardId',
   'schoolingRegistrationId',
   'sessionId',
   'stageCollectionId',
diff --git a/api/tests/profile/acceptance/application/share-profile-reward-route_test.js b/api/tests/profile/acceptance/application/share-profile-reward-route_test.js
new file mode 100644
index 00000000000..4f86897195a
--- /dev/null
+++ b/api/tests/profile/acceptance/application/share-profile-reward-route_test.js
@@ -0,0 +1,76 @@
+import {
+  createServer,
+  databaseBuilder,
+  expect,
+  generateValidRequestAuthorizationHeader,
+} from '../../../test-helper.js';
+
+describe('Profile | Acceptance | Application | Share Profile Route ', function () {
+  let server;
+
+  beforeEach(async function () {
+    server = await createServer();
+  });
+
+  describe('POST /api/users/{userId}/profile/share-reward', function () {
+    describe('when profile reward exists and is linked to user', function () {
+      it('should return a success code', async function () {
+        // given
+        const userId = databaseBuilder.factory.buildUser().id;
+        const profileReward = databaseBuilder.factory.buildProfileReward({ userId });
+        const campaignParticipation = databaseBuilder.factory.buildCampaignParticipation();
+
+        await databaseBuilder.commit();
+        const options = {
+          method: 'POST',
+          headers: { authorization: generateValidRequestAuthorizationHeader(userId) },
+          url: `/api/users/${userId}/profile/share-reward`,
+          payload: {
+            data: {
+              attributes: {
+                profileRewardId: profileReward.id,
+                campaignParticipationId: campaignParticipation.id,
+              },
+            },
+          },
+        };
+
+        // when
+        const response = await server.inject(options);
+
+        // then
+        expect(response.statusCode).to.equal(201);
+      });
+    });
+  });
+
+  describe('when profile reward is not linked to user', function () {
+    it('should return a 412 code', async function () {
+      // given
+      const userId = databaseBuilder.factory.buildUser().id;
+      const profileReward = databaseBuilder.factory.buildProfileReward();
+      const campaignParticipation = databaseBuilder.factory.buildCampaignParticipation();
+
+      await databaseBuilder.commit();
+      const options = {
+        method: 'POST',
+        headers: { authorization: generateValidRequestAuthorizationHeader(userId) },
+        url: `/api/users/${userId}/profile/share-reward`,
+        payload: {
+          data: {
+            attributes: {
+              profileRewardId: profileReward.id,
+              campaignParticipationId: campaignParticipation.id,
+            },
+          },
+        },
+      };
+
+      // when
+      const response = await server.inject(options);
+
+      // then
+      expect(response.statusCode).to.equal(412);
+    });
+  });
+});
diff --git a/api/tests/profile/unit/application/profile-controller_test.js b/api/tests/profile/unit/application/profile-controller_test.js
index f4cdcb25b2b..7b214b001c6 100644
--- a/api/tests/profile/unit/application/profile-controller_test.js
+++ b/api/tests/profile/unit/application/profile-controller_test.js
@@ -38,4 +38,46 @@ describe('Profile | Unit | Controller | profile-controller', function () {
       expect(usecases.getUserProfile).to.have.been.calledWithExactly({ userId, locale });
     });
   });
+
+  describe('#shareProfileReward', function () {
+    beforeEach(function () {
+      sinon.stub(usecases, 'shareProfileReward').resolves();
+    });
+
+    it('should call the expected usecase', async function () {
+      // given
+      const profileRewardId = '11';
+      const campaignParticipationId = '22';
+      const userId = '33';
+
+      const request = {
+        auth: {
+          credentials: {
+            userId,
+          },
+        },
+        params: {
+          userId,
+        },
+        payload: {
+          data: {
+            attributes: {
+              profileRewardId,
+              campaignParticipationId,
+            },
+          },
+        },
+      };
+
+      // when
+      await profileController.shareProfileReward(request, hFake);
+
+      // then
+      expect(usecases.shareProfileReward).to.have.been.calledWithExactly({
+        userId,
+        profileRewardId,
+        campaignParticipationId,
+      });
+    });
+  });
 });