# Open API

Helmut4 follows an API-first approach where all of the UI is based on our API. For cases where you may want to automate or connect Helmut4 to other third-party systems, our open API comes in handy as it offers an extremely powerful set of functionalities

The link to our OpenAPI documentation can be accessed [here](http://repo.moovit24.de:8889/?urls.primaryName=Helmut4%20-%20Users)

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If you have any questions regarding the use of our OpenAPI, please reach out to our support team via the [support portal ](https://docs.helmut.de/helmut4-releases/v4.7.0/support/requesting-support#moovits-support-portal)for assistance.
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Please be aware that the current accessible API definition is always referring to the latest Helmut4 release.\
<https://docs.helmut.de/helmut4-releases/getting-started/open-api>
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