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Power Platform Community / Forums / Power Automate / Access API through Mic...
Power Automate
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Access API through Microsoft Entra Proxy APP

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Hello!

I need help with a project that will access data in an API on my company's internal network. For this, we publish the API via Microsoft Entra Proxy APP following the application creation pattern of the Microsoft documentation. Below you can see a screenshot of the configuration screen:


In addition, I registered an application that accesses the API published via Microsoft Entra Proxy APP, as you can see below:








After this step I started to create the flow in Power Automate to 1) generate the Microsoft Entra token and 2) access the published API via Microsoft Entra Proxy App, as can be seen below:


But the execution gives error 307:


Does anybody know what I can do?

Thanks in advance!

Thiago Luiz
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  • Verified answer
    WillPage Profile Picture
    2,323 Super User 2026 Season 1 on at
    The HTTP action in Power Automate handles Entra ID OAuth natively. Expand the advanced options at the bottom and select Active Directory OAuth then put the relevant details in there. The HTTP action will use those values to obtain the token and use it in the web request behind the scenes

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