API Working
From:     https://zmninja.readthedocs.io/en/latest/guides/validating-api.html


Intro



Validating APIs
Please make sure you go through this before you wonder why zmNinja is not working.

    Assumption: Your ZM server is accessible at http://server/zm -> replace
this with your actual path

Important
Make sure you have the following settings in ZM:




Make sure ZM APIs are working: Note 1: nginx users, if you are facing API issues, please see if this page helps) Note 2: It is important that you run the API tests from the device you plan to use zmNinja with. Very often, I’ve seen folks doing API tests on the same server ZM is running on and then face issues (mostly due to network connectivity) when using zmNinja because it is running on a different device. So, I’d recommend you open a chrome browser on the device you plan to use zmNinja on (desktop or mobile) and then run these tests.