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The First Step
September 7, 2021
Question

OAU-251 - "Unauthorized for this grant type"

Apologies, I am perplexed. Has something changed with how API calls are handled in the past year. I had code that was working but now I get the above error. Has there been a URL change or perhaps formatting? I am using "3-legged OAuth flow authorization code" Thanks, Andy

    3 replies

    PhongVu
    Community Manager
    Community Manager
    September 7, 2021

    What is your app platform type? Check this old thread to see how to change/fix your issue.

    The First Step
    September 7, 2021

    Private windows desktop

    PhongVu
    Community Manager
    Community Manager
    September 7, 2021

    The change for that platform type is that it will no longer support password flow. However, you said that you have problem to login with 3-legged OAuth and you app is an old app? Please confirm and give me your app client id so I can check for you.