Canvas API - Invalid access token

[JohnHawkins1]

Hi,

I am trying to access the Canvas API via postman and getting the below error:

{

    "errors": [

        {

            "message": "Invalid access token."

        }

    ]

}

I tried generating access token multiple times using Postman OAuth 2.0, still it keeps on throwing same error. And the canvas documentation doesn't have any information about how to deal with it.

Thanks

[jerry_nguyen]

@JohnHawkins1 

You will need to generate an access token through your account setting page (https://community.canvaslms.com/t5/Admin-Guide/How-do-I-manage-API-access-tokens-as-an-admin/ta-p/89)

Then copy the token (step 4) to Postman as Bearer Token under Authorization

[nagaedadm]

Hi, it appears manual tokens generated from profiles expire after 1 hour regardless of setting an expiry or leaving the expiry date field blank.
Therefore, even though it states it won't expire when left empt, I have found it to not be the case. is this new behaviour?