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Trigger Flow in SharePoint 2013 Online with a SharePoint Designer 2013 Workflow HTTP step

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Posted on by Megasween

Hi everyone. I need to trigger an HTTP Triggred Flow from a SharePoint 2013 Workflow. When I use the HTTP action I get back the following error:

{"error":{"code":"DirectApiAuthorizationRequired","message":"The request must be authenticated only by Shared Access scheme."}}

The Flow triggers if I paste its URL into the webbrowser. Any ideas? Thanks!

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Building flows

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Megasween 32 on at

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This solved it for me.

https://www.stadlersoftware.com/no-code/calling-microsoft-flow-from-a-sharepoint-designer-workflow/

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jakeMannion 146 on at

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I wish it worked for us here... I tried everything before finding your article link except for the blank Authorization header (and that did not work )

I think it's due to my company's proxy settings.

The remote server returned an error:
(407) Proxy Authentication Required.
at Microsoft.Workflow.Common.AsyncResult.End[TAsyncResult](IAsyncResult result)
at Microsoft.Activities.Hosting.HostedHttpExtension.HttpRequestWorkItem.OnEndComplete(ScheduledWorkItemContext context, IAsyncResult result)

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