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OpenCelium: Connects your API-enabled applications easily

success story

Connection from SCCM to the i-doit CMDB using OpenCelium.

Data communication and exchange

Seamless communication and easy data exchange of your applications as well as management of your enterprise-wide APIs. With OpenCelium this is now possible in a simple way.

Open Source API Hub OpenCelium

OpenCelium connects applications in a simple way,
so they can communicate seamlessly and share data easily…
– similar to how the mycelium network in the forest floor allows trees to communicate with each other.
With OpenCelium, writing and updating API scripts becomes a simple drag-and-drop operation on a convenient front end for the IT administrator.


Comfortable and intuitive operation by using a visual interface via drag & drop for data allocation and integrations.


Seamless communication and uncomplicated data exchange between applications.


Saving resources by automating data center processes.


Management of all company-wide APIs in a clearly arranged front end.


Flexible addition and extension of further individual API connectors for any interfaces and applications.


Ability to duplicate, clone and fork without restriction due to open source.

Available connectors:

opencelium konnektor redmine

Available connectors:


How OpenCeliumworks


Select connector.

Create a new connection to one of your systems. Mostly only the webaccess URL and the corresponding authentication is needed here. Without code and via wizard.


Create connection.

The connection defines between which connectors what kind of requests should be executed with which methodology. You can build the connection with tools like methods and operators.


Use template.

Use one of our business templates to create a connection. The description is stored within a file. For this reason, the business templates can also be shared super easily with the community.


Expand template.

If a business template does not cover your requirements, you can always create your own or extend an existing one and save it again as your own business template.


Create template.

Are you up to speed on the subject? Then you can also generate your own business templates using the expert mode. You will find plenty of information about this in the documentation.


Schedule a job.

Schedule a job using the scheduler view. Define at which point in time a job should be executed automatically. See also here, the last status of the respective job.

Webhook: Each job can also be started via webhook. For this purpose, a Web URL with a unique ID is created.


Monitor data exchange.

For traffic monitoring, we use Elasticsearch. The main advantages are a quick search of the data and a more transparent overview of the connections. For the easy readout of the data we use Kibana.


Represent connections.

Have an overview of your connections using the graphs of the relationship database Neo4J.

Why the name OpenCelium?

Mushrooms are still gigantically valuable and irreplaceable. They are of great importance medically and ecologically. They recycle all organic waste into nutrients and humus for new growth.

Like plants, they form a structure comparable to roots, the mycelium. It is composed of very long, thin hyphae. These hyphae serve as a kind of network for trees to exchange information and warn of threats.

OpenCelium takes this wonder of nature as its model. Mycelium – in English mycelium – serves as the eponym. Since we love open source and its benefits, we replaced“my” with“open“.

With OpenCelium, you get an open technology that can connect applications and automate processes – just as mycelium enables trees to communicate with each other.


start now with your

We look forward to hearing from you. We will be happy to answer any questions you may have!