---
title: "Start app"
method: PUT
path: "/devices/{deviceId}/apps/{packageName}"
tags: ["Apps"]
---

# Start app

`PUT /devices/{deviceId}/apps/{packageName}`

Launches the app identified by the path package name, optionally starting a specific activity given in the request body. Protected packages cannot be started.

## Path parameters

- `deviceId` string, required
- `packageName` string, required

## Headers

- `X-Device-Display-ID` integer

## Request body

- StartAppArgs
  - `$schema` string, uri — A URL to the JSON Schema for this object.
  - `activity` string

## Response `204`

No Content

## Other responses

- `default` — Error

---

[API](https://skmtc.net/mobilerun/apis/workflows.md) · [All operations](https://skmtc.net/mobilerun/apis/workflows/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/mobilerun/workflows/versions/1bc499aa8f99/schema)