In an increasingly digitalized world, the integration of applications and data sources is playing an ever more important role. Companies need to link their IT systems efficiently in order to remain competitive. OpenCelium is an innovative solution that plays a central role in modern IT infrastructures as an API integration platform. But what exactly is behind OpenCelium, what functions does it offer and how can companies benefit from it?
What is OpenCelium?
OpenCelium is a powerful API integration platform that was developed to enable the seamless networking of different IT systems. It is a middleware solution that acts as a central interface between different applications and cloud services. By using APIs (Application Programming Interfaces), OpenCelium ensures that data can be exchanged between systems and processes can be automated.

The platform is based on the so-called hub-and-spoke principle. Instead of direct connections between applications, as is common in point-to-point architecture, OpenCelium acts as a central platform.
This model offers numerous advantages: Management is centralized, requiring only one connection per application, which keeps complexity constant even with a large number of applications. In addition, redundancy is avoided as the data flow runs via the platform, which prevents unnecessary duplicate transfers. Changes to an application only need to be made on the platform, which increases flexibility and adaptability. The centralized platform also enables more effective monitoring and enforcement of security policies.
A key advantage of OpenCelium is its low-code approach, which facilitates the creation of connections between applications. With an intuitive visual development environment, users can create integrations quickly and efficiently without the need for in-depth programming knowledge. At the same time, it is still possible to dive into the code and make specific adjustments, which further increases the flexibility of the platform. So-called Invokers define the APIs, while Connections define and control the actual data exchange between two applications.
open source
The open source philosophy of OpenCelium offers considerable advantages for companies.
Cost savings:
Since OpenCelium is published under the GNU General Public License v3.0, there are no license fees.
Transparency and security:
The open source code enables companies to check the software closely and minimize security risks.
Independence:
Companies are not tied to a specific provider and can flexibly adapt OpenCelium to their individual needs.
Promoting innovation:
The active open source community contributes to the continuous improvement and expansion of the platform.
Flexibility:
OpenCelium can be modified and further developed without restrictions to meet specific business requirements.
Technology stack from OpenCelium
OpenCelium is based on a versatile and modern technology stack that makes the platform flexible and efficient. For the frontend, OpenCelium relies on proven web technologies such as HTML, CSS and JavaScript, complemented by TypeScript and the React framework to ensure a dynamic and user-friendly interface. In the backend, Java is used as the programming language, supported by the Spring Framework and Spring Boot, which enables a robust and scalable architecture.
The database structure is designed to support both relational and document-oriented data. MariaDB is used to manage metadata, while MongoDB is responsible for storing connections and configuration data.
This sophisticated technology stack ensures that OpenCelium not only meets the current requirements of companies, but also remains future-proof and can adapt to new technological developments.
Important functions of OpenCelium
OpenCelium offers a wide range of functions that set it apart from other integration platforms and support the entire integration process.
The focus is on universal API connectivity. OpenCelium can integrate a variety of APIs, which enables the connection of different systems, regardless of their architecture. An extensive library of existing API definitions (connectors) and connections can be used to support this.
OpenCelium can be used to create complex workflows that run automatically between different systems. This reduces manual intervention and increases efficiency. An integrated scheduler board enables clear management of cron jobs. Event and time-based triggers allow integrations to be started efficiently.
Another central function of OpenCelium is data mapping, in which data formats are converted between systems. This ensures that information is transferred correctly and consistently.
The platform has detailed user and group management with comprehensive rights assignment options. An integrated update wizard makes it easier to maintain and update the system. A notification system that triggers alarms before or after an integration run and in the event of an error ensures better control and transparency.
OpenCelium supports various authentication methods, including database, LDAP/s and TOTP authentication for the front end as well as API key, token, basic auth and endpoint authentication for the APIs. Operators such as Loop and If enable flexible data processing, while an integrated data aggregator collects and processes data within an integration in order to forward it to communication platforms such as Slack or Teams, for example.
In addition, the platform offers an import function for Invoker and Connections, comprehensive logging for detailed analysis, as well as convenience features such as a dashboard and categories for a better overview of all activities. These features make OpenCelium a versatile and powerful IT integration solution that is designed to scale with the needs of a growing organization.
Use cases of an API Integration Platform
Connecting applications from different software categories is essential in modern IT landscapes. OpenCelium enables efficient data exchange between applications to ensure seamless integration and automation of business processes. This versatility makes OpenCelium suitable for a wide range of use cases.
Connecting monitoring and inventory
A common use case is the synchronization between monitoring systems and inventory software. Monitoring systems monitor the status of the IT infrastructure, while inventory tools catalog physical and virtual resources. With OpenCelium, data such as warnings or status changes can be automatically transferred to the inventory software. This helps to identify problems at an early stage and ensure precise entries in the inventory data.
Integrating ITSM and CMDB
Linking ITSM systems with CMDBs is also a common use case. ITSM tools are used to manage incidents and IT services, while CMDBs document the associated infrastructure resources. OpenCelium can ensure that incidents or changes in an ITSM system are automatically mapped in the CMDB to ensure a consistent overview of the entire IT landscape.
Networking inventory, CMDB and ITSM
The integration of an inventory tool, a CMDB and an ITSM system with the help of OpenCelium is also conceivable. Imagine a new device being recorded in the inventory software. OpenCelium makes it possible to forward this information to the CMDB, which catalogs the device as a new resource. If an incident with this device is later reported, the ITSM system can automatically access the information in the CMDB via OpenCelium and document the incident precisely. This not only improves the efficiency of troubleshooting, but also increases transparency in the IT operating landscape.
These and similar scenarios illustrate how OpenCelium helps companies to seamlessly integrate their IT systems and achieve greater efficiency and better decision-making.
becon GmbH – Your reliable partner when it comes to IT
becon GmbH, a leading IT consulting company, plays a central role in the implementation and optimization of OpenCelium solutions. With its in-depth expertise, becon GmbH supports companies in analyzing their IT landscape and developing suitable integration strategies. The services of becon GmbH include comprehensive consulting to understand the specific requirements of a company and to develop the right integration strategy. In addition, the company supports the setup and configuration of OpenCelium, taking individual business processes into account. Another focus is on training IT teams so that they can use the platform effectively. The offering is complemented by ongoing support and maintenance to ensure that OpenCelium runs smoothly and can respond flexibly to new requirements.
Conclusion
OpenCelium is a forward-looking solution for companies that want to integrate their IT systems efficiently. With its powerful functions and versatile use cases, the API Integration Platform helps to optimize processes, reduce costs and drive digital transformation. As an open source solution, OpenCelium also offers transparency, flexibility and the possibility of individual customization. The collaboration with becon GmbH ensures that companies can exploit the full potential of OpenCelium. At a time when IT connectivity is critical, OpenCelium offers a solution that is not only up-to-date but also future-proof.
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