401 requesting token in oauth flow for Zoom App

I’m developing a Zoom App, and testing the OAuth flow with development credentials, and receiving a 401 response.

Based on this documentation our app backend skips the initiating Request for User Authorization, with the understanding it is initiated within Zoom.

Our backend’s first entry into the OAuth flow is to Request Access Token. I’ve confirmed multiple ways that our parameters and Authorization header are correct, and correctly encoding my app’s developer credentials as specified in the linked doc.

The access token request is made to https://zoom.us/oauth/token: I’m wondering if this is not the right url when using development credentials?

We’re referring to Zoom App Developer Docs at https:///d3ji6sqiuriffh.cloudfront.net/index.html: I wonder if there are more recent docs elsewhere that might help answer my question: I believe this link might be out of date.

Token request results in 401 response code.

Which App Type (OAuth / Chatbot / JWT / Webhook)?
OAuth Zoom App

Which Endpoint/s?
oauth token request

How To Reproduce (If applicable)

Screenshots (If applicable)

Additional context

Hey @paul-ck,

Thank you for reaching out to the Zoom Developer Forum. It sounds like you’re doing everything correctly but just to make sure that you’re using up-to-date documentation, please see our OAuth2 guide below and let me know if that helps out:


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