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  • 1.  HTTP 403 error response - WebAPI for MS Teams (downloaded from DX)

    Posted 12-10-2021 05:36
    Hi, Community

    We are currently using the sample VBO and Microsoft Graph Teams API v1.3 release which were downloaded from the DX (Please see the attached).

    While testing the Web API for Microsoft Teams, we came across 403 "Authorization Request Denied" response as shown below:

    Before testing, we already have finished App Registration, set up the Client Secret and secured API permission as well following the procedures defined in Microsoft Graph - Teams, Web API Service User guide v1.0.

    Q1. Can you advice what should be checked to figure out the reason of 403 response?
    Q2. and more specifically, is it possible to send messages to a group of people using MS Teams and Web mail? Can you advise if it is right for us to use this WebAPI downloaded from the DX?



    HongJoo Choi
    Blue Prism Korea

  • 2.  RE: HTTP 403 error response - WebAPI for MS Teams (downloaded from DX)

    Posted 12-10-2021 10:50
    Hi HongJoo,

    From the error message it looks like the App doesn't have necessary permissions to read list of teams. You might want to add the necessary API permissions for it. 

    You can use the Send Channel Message action to send message to a Channel. All the users subscribed to the Channel will be able to view the message.

    Shashank Kumar
    DX Integrations Partner Consultant
    Blue Prism

  • 3.  RE: HTTP 403 error response - WebAPI for MS Teams (downloaded from DX)

    Posted 12-10-2021 11:27
    Hi @HongJoo Choi, have you checked the permissions within azure?! if so, can you show us what permissions have been granted?​

    Emerson Ferreira
    Sr Business Analyst
    Avanade Brasil
    If my answer helped you? Mark as useful!

  • 4.  RE: HTTP 403 error response - WebAPI for MS Teams (downloaded from DX)
    Best Answer

    Posted 12-10-2021 13:28

    Have you tested the API via
    I am wondering if it has been disabled by security in your organisation


    Pritam Poojari
    Solution Architect

  • 5.  RE: HTTP 403 error response - WebAPI for MS Teams (downloaded from DX)

    Posted 12-10-2021 17:13
    As @Shashank Kumar alluded to there are quite a few permissions options for just the Teams portion of Microsoft Graph. You can find the reference to those permissions at the link below. At a minimum you need the Team.ReadBasic.All and possibly TeamSettings.Read.All


    Eric Wilson
    Director, Integrations and Enablement
    Blue Prism Digital Exchange

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