Architecture and Components of Appium

Architecture and Components of Appium

What is Appium?

Appium is a security solution to make application testing across a wide range of devices and environments easier. Appium functions as a virtual server, sending instructions to native frameworks enabling independent or scalable testing of actions and scripts. FITA Academy‘s Appium Training in Chennai provides more opportunities for your career development.

The Appium technology is an essential part of automation and continuous mobile application testing. Here in this blog, we describe the Components and Architecture of Appium. 

Architecture and Components of Appium:

Appium Server:

The Appium Server is the foundation of the Appium framework. It is built in Node.js and maybe run locally in the cloud. The Appium server receives a request from Appium client libraries over the JSON wire protocol, which connects to the proper native testing tools and frameworks to conduct client activities. The findings of the tests are obtained and distributed to the clients. 

Appium Client Libraries:

Appium clients request that the server start a test automation process by delivering the create session command using the JSON Wire protocol. Run tests on multiple mobile devices and generate results from the Appium Server. Appium client libraries are available in numerous languages, including PHP, Ruby, Java, C#, JavaScript, and Python.

JSON Wire Protocol:

Appium clients connect with the Appium Server through the JSON Wire protocol created by the WebDriver developer team in the Appium web-server architecture. It allows developers to use a RESTful API to access standardized and configured endpoints. You may test apps and websites using a mobile browser while able to install and uninstall applications on the system during test automation sessions by using the JSON Wire protocol. Appium Training Online offers certification with 100% placement assistance.

Appium Driver:

Appium is an open-source platform and technology-independent. It helps in successfully managing several platforms. Appium employs a variety of drivers to turn API into automated sessions for matching platforms.

  1. UiAutomator1 is an Appium driver for traditional android versions.
  2. UiAutomator2 is the default Appium driver for Android application testing
  3. WinAppDriver is an Appium driver for testing Windows devices.

Automation Testing Frameworks:

Appium runs client operations on testing devices using native automated testing frameworks. It establishes a connection with bootstrap.js, which operates as a TCP server and executes test commands on various devices.

  1. XCUITest Framework is used to test iOS applications.
  2. UiAutomator Framework is used to test Android apps.


Appium tests are processed using numerous devices and operating systems. Appium tests are similarly simple to write. Join Appium Training in Coimbatore and learn from industry experts.

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