diff --git a/backend/server/api/magic/devices/[deviceId]/cancel-cooldown.post.ts b/backend/server/api/magic/devices/[deviceId]/cancel-cooldown.post.ts
new file mode 100644
index 0000000..40f9bfc
--- /dev/null
+++ b/backend/server/api/magic/devices/[deviceId]/cancel-cooldown.post.ts
@@ -0,0 +1,30 @@
+/**
+ * POST /api/magic/devices/:deviceId/cancel-cooldown
+ *
+ * Removes an active Magic device cooldown immediately.
+ */
+export default defineEventHandler(async (event) => {
+  const user = await requireUser(event);
+  const deviceId = getRouterParam(event, "deviceId");
+
+  if (!deviceId) {
+    throw createError({ statusCode: 400, message: "deviceId required" });
+  }
+
+  const db = usePrisma();
+  const device = await db.userDevice.findUnique({
+    where: { userId_deviceId: { userId: user.id, deviceId } },
+    select: { id: true, magicEnrolledAt: true, magicRevokedAt: true },
+  });
+
+  if (!device || !device.magicEnrolledAt || device.magicRevokedAt) {
+    throw createError({ statusCode: 404, message: "Magic-Binding nicht gefunden" });
+  }
+
+  await db.userDevice.update({
+    where: { id: device.id },
+    data: { magicCooldownUntil: null },
+  });
+
+  return { success: true, data: { cooldownUntil: null } };
+});
diff --git a/backend/server/api/magic/devices/[deviceId]/cooldown.post.ts b/backend/server/api/magic/devices/[deviceId]/cooldown.post.ts
new file mode 100644
index 0000000..2c535f7
--- /dev/null
+++ b/backend/server/api/magic/devices/[deviceId]/cooldown.post.ts
@@ -0,0 +1,51 @@
+/**
+ * POST /api/magic/devices/:deviceId/cooldown
+ *
+ * Sets a temporary cooldown on a Magic device binding until the given
+ * duration (in minutes, 1–1440) elapses.
+ */
+export default defineEventHandler(async (event) => {
+  const user = await requireUser(event);
+  const deviceId = getRouterParam(event, "deviceId");
+
+  if (!deviceId) {
+    throw createError({ statusCode: 400, message: "deviceId required" });
+  }
+
+  const body = await readBody(event);
+  const raw = body?.durationMinutes;
+  if (
+    typeof raw !== "number" ||
+    !Number.isFinite(raw) ||
+    !Number.isInteger(raw) ||
+    raw < 1 ||
+    raw > 1440
+  ) {
+    throw createError({
+      statusCode: 400,
+      message: "durationMinutes must be an integer between 1 and 1440",
+    });
+  }
+  const durationMinutes = raw;
+  const cooldownUntil = new Date(Date.now() + durationMinutes * 60 * 1000);
+
+  const db = usePrisma();
+  const device = await db.userDevice.findUnique({
+    where: { userId_deviceId: { userId: user.id, deviceId } },
+    select: { id: true, magicEnrolledAt: true, magicRevokedAt: true },
+  });
+
+  if (!device || !device.magicEnrolledAt || device.magicRevokedAt) {
+    throw createError({ statusCode: 404, message: "Magic-Binding nicht gefunden" });
+  }
+
+  await db.userDevice.update({
+    where: { id: device.id },
+    data: { magicCooldownUntil: cooldownUntil },
+  });
+
+  return {
+    success: true,
+    data: { cooldownUntil: cooldownUntil.toISOString() },
+  };
+});