diff --git a/src/lib/routes/admin-api/project/project-features.ts b/src/lib/routes/admin-api/project/project-features.ts
index 5bb7b29d42..d6bda03872 100644
--- a/src/lib/routes/admin-api/project/project-features.ts
+++ b/src/lib/routes/admin-api/project/project-features.ts
@@ -723,7 +723,20 @@ export default class ProjectFeaturesController extends Controller {
         >,
         res: Response<void>,
     ): Promise<void> {
-        res.status(405).end();
+        const { environment, projectId } = req.params;
+        const { shouldActivateDisabledStrategies } = req.query;
+        const { features } = req.body;
+
+        await this.featureService.bulkUpdateEnabled(
+            projectId,
+            features,
+            environment,
+            true,
+            extractUsername(req),
+            req.user,
+            shouldActivateDisabledStrategies === 'true',
+        );
+        res.status(200).end();
     }
 
     async bulkToggleFeaturesEnvironmentOff(
@@ -735,7 +748,20 @@ export default class ProjectFeaturesController extends Controller {
         >,
         res: Response<void>,
     ): Promise<void> {
-        res.status(405).end();
+        const { environment, projectId } = req.params;
+        const { shouldActivateDisabledStrategies } = req.query;
+        const { features } = req.body;
+
+        await this.featureService.bulkUpdateEnabled(
+            projectId,
+            features,
+            environment,
+            false,
+            extractUsername(req),
+            req.user,
+            shouldActivateDisabledStrategies === 'true',
+        );
+        res.status(200).end();
     }
 
     async toggleFeatureEnvironmentOff(
diff --git a/src/lib/services/feature-toggle-service.ts b/src/lib/services/feature-toggle-service.ts
index 8f9200dc97..8c7745dca1 100644
--- a/src/lib/services/feature-toggle-service.ts
+++ b/src/lib/services/feature-toggle-service.ts
@@ -1257,6 +1257,30 @@ class FeatureToggleService {
         );
     }
 
+    async bulkUpdateEnabled(
+        project: string,
+        featureNames: string[],
+        environment: string,
+        enabled: boolean,
+        createdBy: string,
+        user?: User,
+        shouldActivateDisabledStrategies = false,
+    ): Promise<void> {
+        await Promise.all(
+            featureNames.map((featureName) =>
+                this.updateEnabled(
+                    project,
+                    featureName,
+                    environment,
+                    enabled,
+                    createdBy,
+                    user,
+                    shouldActivateDisabledStrategies,
+                ),
+            ),
+        );
+    }
+
     async updateEnabled(
         project: string,
         featureName: string,
diff --git a/src/test/e2e/api/admin/project/features.e2e.test.ts b/src/test/e2e/api/admin/project/features.e2e.test.ts
index af6fd51e28..e7cf9f4f36 100644
--- a/src/test/e2e/api/admin/project/features.e2e.test.ts
+++ b/src/test/e2e/api/admin/project/features.e2e.test.ts
@@ -413,14 +413,28 @@ test('Can bulk enable/disable environment for feature with strategies', async ()
         )
         .send({ features: [featureName] })
         .set('Content-Type', 'application/json')
-        .expect(405);
+        .expect(200);
+    await app.getProjectFeatures(project, featureName).expect((res) => {
+        const enabledFeatureEnv = res.body.environments.find(
+            (e) => e.name === envName,
+        );
+        expect(enabledFeatureEnv).toBeTruthy();
+        expect(enabledFeatureEnv.enabled).toBe(true);
+    });
 
     await app.request
         .post(
             `/api/admin/projects/${project}/bulk_features/environments/${envName}/off`,
         )
         .send({ features: [featureName] })
-        .expect(405);
+        .expect(200);
+    await app.getProjectFeatures(project, featureName).expect((res) => {
+        const disabledFeatureEnv = res.body.environments.find(
+            (e) => e.name === envName,
+        );
+        expect(disabledFeatureEnv).toBeTruthy();
+        expect(disabledFeatureEnv.enabled).toBe(false);
+    });
 });
 
 test("Trying to get a project that doesn't exist yields 404", async () => {