diff --git a/push-server/apps/admin/pages/instances/[id].vue b/push-server/apps/admin/pages/instances/[id].vue
index 967a1f6..f197f32 100644
--- a/push-server/apps/admin/pages/instances/[id].vue
+++ b/push-server/apps/admin/pages/instances/[id].vue
@@ -1,11 +1,19 @@
 <script setup lang="ts">
 const route = useRoute();
 const pushApi = usePushApi();
+const toast = useToast();
 const id = route.params.id as string;
+const testSubmitting = ref(false);
+const selectedDeviceIds = ref<string[]>([]);
+const testForm = reactive({
+  title: "FEDEO Push-Test",
+  body: "Diese Testnachricht wurde über das Push-Admin-Dashboard gesendet.",
+});
 
 const { data: instance, refresh: refreshInstance } = await useAsyncData(`instance-${id}`, () => pushApi.request<Record<string, any>>(`/admin/instances/${id}`), { immediate: false });
 const { data: devices, refresh: refreshDevices } = await useAsyncData(`devices-${id}`, () => pushApi.request<Record<string, any>[]>(`/admin/instances/${id}/devices`), { default: () => [], immediate: false });
 const { data: jobs, refresh: refreshJobs } = await useAsyncData(`jobs-${id}`, () => pushApi.request<Record<string, any>[]>(`/admin/instances/${id}/jobs`), { default: () => [], immediate: false });
+const activeDevices = computed(() => (devices.value || []).filter((device) => device.status === "active"));
 
 onMounted(async () => {
   pushApi.hydrateToken();
@@ -17,6 +25,47 @@ onMounted(async () => {
 async function refreshAll() {
   await Promise.all([refreshInstance(), refreshDevices(), refreshJobs()]);
 }
+
+function toggleDevice(centralDeviceId: string, checked: boolean) {
+  if (checked) {
+    selectedDeviceIds.value = [...new Set([...selectedDeviceIds.value, centralDeviceId])];
+  } else {
+    selectedDeviceIds.value = selectedDeviceIds.value.filter((id) => id !== centralDeviceId);
+  }
+}
+
+function selectAllActiveDevices() {
+  selectedDeviceIds.value = activeDevices.value.map((device) => device.centralDeviceId);
+}
+
+async function sendTestPush() {
+  testSubmitting.value = true;
+  try {
+    const result = await pushApi.request<Record<string, any>>(`/admin/instances/${id}/test-push`, {
+      method: "POST",
+      body: {
+        title: testForm.title,
+        body: testForm.body,
+        deviceIds: selectedDeviceIds.value.length ? selectedDeviceIds.value : undefined,
+        priority: "high",
+      },
+    });
+    await Promise.all([refreshInstance(), refreshJobs(), refreshDevices()]);
+    toast.add({
+      title: "Test-Push gesendet",
+      description: `${result.sent ?? 0} gesendet, ${result.failed ?? 0} fehlgeschlagen`,
+      color: result.failed ? "warning" : "success",
+    });
+  } catch (error: any) {
+    toast.add({
+      title: "Test-Push fehlgeschlagen",
+      description: error?.data?.message || error?.message || "Die Testnachricht konnte nicht gesendet werden.",
+      color: "error",
+    });
+  } finally {
+    testSubmitting.value = false;
+  }
+}
 </script>
 
 <template>
@@ -47,6 +96,54 @@ async function refreshAll() {
           </UCard>
         </div>
 
+        <UCard>
+          <template #header>
+            <div class="flex flex-wrap items-center justify-between gap-3">
+              <h3 class="font-bold">Testnachricht</h3>
+              <UBadge color="neutral" variant="soft">{{ selectedDeviceIds.length || activeDevices.length }} Zielgeräte</UBadge>
+            </div>
+          </template>
+          <div class="grid gap-4 lg:grid-cols-[1fr_240px]">
+            <div class="space-y-4">
+              <UFormField label="Titel">
+                <UInput v-model="testForm.title" maxlength="120" />
+              </UFormField>
+              <UFormField label="Nachricht">
+                <UTextarea v-model="testForm.body" :rows="3" maxlength="240" />
+              </UFormField>
+              <div class="flex flex-wrap gap-2">
+                <UButton
+                  icon="i-lucide-send"
+                  :loading="testSubmitting"
+                  :disabled="!activeDevices.length || !testForm.title.trim() || !testForm.body.trim()"
+                  @click="sendTestPush"
+                >
+                  Test senden
+                </UButton>
+                <UButton icon="i-lucide-check-check" variant="soft" :disabled="!activeDevices.length" @click="selectAllActiveDevices">
+                  Alle aktiven auswählen
+                </UButton>
+                <UButton icon="i-lucide-x" variant="ghost" :disabled="!selectedDeviceIds.length" @click="selectedDeviceIds = []">
+                  Auswahl leeren
+                </UButton>
+              </div>
+            </div>
+            <div class="rounded-lg border border-gray-200 p-3">
+              <p class="mb-3 text-sm font-medium text-gray-700">Zielgeräte</p>
+              <div class="max-h-48 space-y-2 overflow-auto">
+                <label v-for="device in activeDevices" :key="device.id" class="flex cursor-pointer items-center gap-2 text-sm">
+                  <UCheckbox
+                    :model-value="selectedDeviceIds.includes(device.centralDeviceId)"
+                    @update:model-value="toggleDevice(device.centralDeviceId, Boolean($event))"
+                  />
+                  <span class="min-w-0 truncate font-mono">{{ device.centralDeviceId }}</span>
+                </label>
+                <p v-if="!activeDevices.length" class="text-sm text-gray-500">Keine aktiven Geräte vorhanden.</p>
+              </div>
+            </div>
+          </div>
+        </UCard>
+
         <UCard>
           <template #header>
             <h3 class="font-bold">Geräte</h3>
diff --git a/push-server/apps/api/src/routes/admin.ts b/push-server/apps/api/src/routes/admin.ts
index 6f4b71d..305189e 100644
--- a/push-server/apps/api/src/routes/admin.ts
+++ b/push-server/apps/api/src/routes/admin.ts
@@ -6,6 +6,7 @@ import { db } from "../db/client.js";
 import { requireAdmin } from "../lib/auth.js";
 import { encryptSecret } from "../lib/crypto.js";
 import { createClientSecret, createPublicId, previewSecret } from "../lib/ids.js";
+import { deliverJob } from "../services/delivery.js";
 
 const createInstanceSchema = z.object({
   name: z.string().min(2),
@@ -21,6 +22,13 @@ const updateInstanceSchema = createInstanceSchema.partial().extend({
   status: z.enum(["active", "blocked", "disabled"]).optional(),
 });
 
+const testPushSchema = z.object({
+  deviceIds: z.array(z.string().min(1)).max(100).optional(),
+  title: z.string().min(1).max(120).default("FEDEO Push-Test"),
+  body: z.string().min(1).max(240).default("Diese Testnachricht wurde über das Push-Admin-Dashboard gesendet."),
+  priority: z.enum(["normal", "high"]).default("high"),
+});
+
 export async function adminRoutes(app: FastifyInstance): Promise<void> {
   app.addHook("preHandler", requireAdmin);
 
@@ -122,6 +130,72 @@ export async function adminRoutes(app: FastifyInstance): Promise<void> {
     return await db.select().from(deliveryJobs).where(eq(deliveryJobs.instanceId, params.id)).orderBy(desc(deliveryJobs.createdAt)).limit(100);
   });
 
+  app.post("/admin/instances/:id/test-push", async (request, reply) => {
+    const params = z.object({ id: z.string().uuid() }).parse(request.params);
+    const body = testPushSchema.parse(request.body || {});
+    const [instance] = await db.select().from(pushInstances).where(eq(pushInstances.id, params.id)).limit(1);
+    if (!instance) return reply.code(404).send({ error: "instance_not_found" });
+
+    const devices = await db
+      .select()
+      .from(pushDevices)
+      .where(and(eq(pushDevices.instanceId, instance.id), eq(pushDevices.status, "active")));
+    const requested = body.deviceIds?.length ? new Set(body.deviceIds) : null;
+    const acceptedDevices = devices
+      .map((device) => device.centralDeviceId)
+      .filter((centralDeviceId) => !requested || requested.has(centralDeviceId));
+
+    if (!acceptedDevices.length) {
+      return reply.code(400).send({ error: "no_active_devices", message: "Für diese Auswahl wurden keine aktiven Geräte gefunden." });
+    }
+
+    const rejected = requested ? body.deviceIds!.length - acceptedDevices.length : 0;
+    const [job] = await db.insert(deliveryJobs).values({
+      deliveryJobId: createPublicId("job"),
+      instanceId: instance.id,
+      idempotencyKey: `admin-test:${instance.id}:${Date.now()}`,
+      priority: body.priority,
+      ttlSeconds: 600,
+      collapseKey: "admin-test",
+      acceptedCount: acceptedDevices.length,
+      rejectedCount: rejected,
+      status: "processing",
+    }).returning();
+
+    await deliverJob(job, acceptedDevices, {
+      priority: body.priority,
+      ttlSeconds: 600,
+      collapseKey: "admin-test",
+      notification: {
+        title: body.title,
+        body: body.body,
+      },
+      data: {
+        type: "admin.test_push",
+        deliveryJobId: job.deliveryJobId,
+        instanceId: instance.instanceId,
+      },
+    });
+
+    await audit("admin", "instance.test_push.sent", instance.id, {
+      deliveryJobId: job.deliveryJobId,
+      accepted: acceptedDevices.length,
+      rejected,
+    });
+
+    const [updatedJob] = await db.select().from(deliveryJobs).where(eq(deliveryJobs.id, job.id)).limit(1);
+    return reply.code(202).send({
+      deliveryJobId: job.deliveryJobId,
+      accepted: acceptedDevices.length,
+      rejected,
+      status: updatedJob?.status || "processing",
+      sent: updatedJob?.sentCount || 0,
+      failed: updatedJob?.failedCount || 0,
+      lastErrorCode: updatedJob?.lastErrorCode,
+      lastErrorMessage: updatedJob?.lastErrorMessage,
+    });
+  });
+
   app.get("/admin/jobs", async () => {
     return await db.select({
       id: deliveryJobs.id,