POSTman error with JWT - "Invalid access token"

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Description
I am trying to follow the Zoom provided tutorial on creating a JWT call to Zoom using POSTman. I have had a JWT key made for me by a colleague (as I don’t have developer access). I have used JWT.io to verify the key. However when I try making any calls to the Zoom APIs using POSTman I get the error 204, Invalid access token.

Error
The full error message or issue you are running into.

Which App Type (OAuth / Chatbot / JWT / Webhook)?
Knowing the endpoint/s can help us to identify your issue faster. Please link the ones you need help/have a question with.

Which Endpoint/s?
{{baseUrl}}/users?status=active&page_size=30&role_id=laborum&page_number=laborum&include_fields=host_key&next_page_token=laborum

How To Reproduce (If applicable)
Make any calls to the Zoom APis.

Screenshots (If applicable)

Additional context

Hey @SteveWinnard,

Thank you for reaching out to the Zoom Developer Forum. Please send an email to developersupport@zoom.us with a link to this thread.

In that email, please provide the app owner email, app name and the token that you’re using. I’ll investigate further from there.

Thanks,
Max