Implement OAuth for Okta using Postman

Questions OAuth/OIDC
1

Hi, I am new to Okta and trying to implement OAuth2.0 flow using postman as client. Trying to make a call to users API (/api/v1/users) to get users list. I want to do this in postman but receiving invalid session error. Not sure why? Please help…

Here is what I am trying to do…

  1. Created an application (Web) in Okta portal. Screen shot below…

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  2. Configured Postman to use Oauth 2.0 under authorization tab.

    okta2
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  3. After authentication is successful, rececving error and couldnt obtain access token.

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2

What user are you logging into and getting a token for?

Only administrators with the ability to view other users will be able to make a request to /api/v1/users, end users will not have sufficient permissions to make this request. Anyone without Admin permissions will only be able to fetch data about their own user account (using the okta.users.read.self scope and a request to /api/v1/users/me)