### Begin of the deletion Before filing a report

_Before you file a report, please ensure you are running the latest version of OpenProject and_ 
_have searched for similar bug reports._

###End of the deletion Steps to reproduce Begin of the insertion



End of the insertion Begin of the deletion

_Please write down the steps to reproduce. Try to write down all necessary preconditions (what permissions do you have, are other users involved?). Example:_

End of the deletion 1. Configure the OpenProject inside a **domain subfolder**.
Example: https://192.168.1.300/**subfolder**/ (usually it would be https://192.168.1.300/) Begin of the insertion

End of the insertion Begin of the deletion
End of the deletion 2. Login as a administrator Begin of the insertion

End of the insertion Begin of the deletion
End of the deletion 3. Go to https://192.168.1.300/**subfolder**/api/docs/ Begin of the insertion

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End of the deletion 4. Select any request and try to run it (http://192.168.1.300/subfolder/#?route=post-/api/v3/example/form
<img class="op-uc-image op-uc-image_inline" src="/api/v3/attachments/85016/content"> Begin of the insertion


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End of the deletion ### What is the buggy behavior?

Begin of the deletion _Please describe the bug in as much detail as possible. Example:_

End of the deletion * I get the error 404 requested URL was not found on this server because the API is configured to work based on the server name. My OpenProject was installed in a folder within the domain.
<img class="op-uc-image op-uc-image_inline" src="/api/v3/attachments/85018/content"> Begin of the insertion

End of the insertion Begin of the deletion
End of the deletion * If I set it to match the subfolder, I&#39;ll get the yellow incompatibility banner.
<img class="op-uc-image op-uc-image_inline" src="/api/v3/attachments/85019/content"> Begin of the insertion


End of the insertion Begin of the deletion

End of the deletion ### What is the expected behavior?

_Describe how the application should behave like. Example:_

1. The API page should work based on the server where OpenProject is running, not what&#39;s configured as server name within http://192.168.1.300/subfolder/admin/settings/general. Begin of the insertion


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End of the deletion ### Begin of the insertion

End of the insertion Begin of the deletion Important note

_Please note that unless you are a contributor to OpenProject, you can no longer edit this bug report after saving. You can still add new comments, but no longer add any new images or other attachments. Please make sure that all necessary information and attachments are added, and the following attributes are set:_

End of the deletion ### **Logs**

_Are there errors in the browser console? (_[_Click here for information on how to open your browser&#39;s console_](https://webmasters.stackexchange.com/a/77337)_) For a local installation: Are there relevant logs output by_ `_openproject logs_` _(packaged installation) (_[_click here for details_](https://docs.openproject.org/installation-and-operations/operation/monitoring/#show-logs)_) or in a log/production.log or /var/log/openproject/ ? Please attach error output in these log files if applicable_

### Begin of the insertion

End of the insertion Begin of the deletion Screenshots and other files

_If you have screenshots of the application&#39;s bug behavior or other relevant files, please drag them into this place or attach them using the &quot;Files&quot; section._

End of the deletion ### Environment information

_Please check and fill out the following details to help us identify in what versions and distributions of OpenProject the error occurs_

**OpenProject installation type**

* [ ] Hosted cloud edition
* [x] Packaged installation
* Ubuntu 22.04 Begin of the insertion

End of the insertion Begin of the deletion
End of the deletion * [ ] Docker All-in-one container
* [ ] Docker-compose installation
* [ ] Other (please specify)

**OpenProject version**

_OpenProject v13.1.2_

**Browser**

* [x] Chrome
* [x] Firefox
* [ ] Safari
* [ ] Mobile Safari
* [ ] Other (please specify)

**Language**

_Portuguese_