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Power Platform Community / Forums / Power Automate / Adaptive Card Cloud Flow
Power Automate
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Adaptive Card Cloud Flow

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Posted on by 6
Hello,
 
I am trying to send an adaptive card to an outlook inbox. The adaptive card is submitted by an action.http. However, when I am testing it out internally, anytime the submit button is pressed I get a '401' error. I am trying to read the response of the AC using a http: When an HTTP request is received. Yet this cloud flow is never triggered. I believe all of the connections are set up, I was able to enable an Entra ID, have it tied to the url of my When an HTTP request is received action,  enable a provider through actionable email developer, etc.
 
I also have my HTTP trigger set to anyone, and a blank authorization header in my AC with a Content-Type header of application/json.
 
So not sure what is the issue. When I try to launch the url from my web address panel I also get this error:
 
{
  "error": {
    "code": "DirectApiAuthorizationRequired",
    "message": "The OAuth authorization scheme is required. Please add authentication scheme and try again."
  }
}

Let me know if you have a method to resolve. 
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  • Suggested answer
    David_MA Profile Picture
    14,956 Super User 2026 Season 1 on at
    I think what you want to do is send an actionable message. Adaptive Cards are used in Microsoft Teams. We've never supported this where I work. Going to the page with information on actionable messages, it appears the process is changing effective June 8, 2026. You may want to take a look at this for more information Enable Microsoft Entra ID token for Actionable Messages - Outlook Developer | Microsoft Learn
     
    If you already resolved this issue, please post what you did and mark it as the answer.

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