Open. Flexible. Extensible.
Tailor X4 BPMS to your exact requirements – with open interfaces, flexible extension options, and an architecture that grows with you. Ideal for companies that develop their own solutions or want to seamlessly integrate third-party systems.
Develop custom adapters with the ADK
Extend UIs with custom elements
Provide processes as reusable templates
Query and control X4 BPMS through REST API

X4 API – REST interface for full control
The X4 API makes it possible to access central functions of the platform through modern REST interfaces. Whether external systems, custom applications, or automation tools – the API lets you control processes, load data, and start workflows programmatically.
X4 Adapter Development Kit (ADK)
Use the ADK to create custom adapters for specific systems or protocols. You can seamlessly integrate these adapters in the platform, where they are available just like “native” adapters – ideal for individual requirements or legacy systems.


Web App API & JavaScript – Interactive extensions
Make your user interfaces more interactive: JavaScript and the X4 Web App API let you add dynamic responses, user-defined logic, and extended UX elements to web apps.
Powerfull integration
With more than 200 apps
Frequently asked questions
What is the X4 Adapter Development Kit (ADK)?
It is a tool for creating custom adapters. These adapters can be fully integrated in the platform.
What interfaces does X4 BPMS provide for external systems?
The X4 API offers modern REST APIs for many platform functions – from starting a process to data retrieval.
Can web apps be customized?
Web apps created with X4 BPMS can be customized even without coding. If specific controls or responses are needed, you can use the Web App API to add them.
Is programming required?
No. Many extensions can be implemented through the configuration or templates. APIs and the ADK are available for specific requirements.