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Dynamics 365 Community / Forums / Customer experience | Sales, Customer Insights,... / Connecting an 3rd part...
Customer experience | Sales, Customer Insights,...
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Connecting an 3rd party HTTP API

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Posted on by Kh3ldar 19
Hello,

Can you advise me how to connect to an HTTP API on our D365 env? Upgrading the server to HTTPS is not possible unfortunately.

Thanks.
 
  • Verified answer
    Jonas "Jones" Melgaard Profile Picture
    Jonas "Jones" Melgaard 2,343 Super User 2025 Season 1 on at
    Connecting an 3rd party HTTP API
    If I were to architect the solution, I would write a Dataverse plugin in C# to call the API.
    However, I might be biased since I’m a pro-developer by trade.
  • Kh3ldar Profile Picture
    Kh3ldar 19 on at
    Connecting an 3rd party HTTP API
    If we can somehow drop the VPN requirement is there any other solution besides Power Automate?
  • Jonas "Jones" Melgaard Profile Picture
    Jonas "Jones" Melgaard 2,343 Super User 2025 Season 1 on at
    Connecting an 3rd party HTTP API
    Yes, exactly. That's the problem of using Power Automate or any Dynamics SaaS solution.
     
     
    From my experience you have a couple of options here using the Microsoft stack, but they all need some work in Azure:
    • Use the Power Platform VNET support, and use that to VPN into your own network.
      https://learn.microsoft.com/en-us/power-platform/admin/vnet-support-overview
      Here you can build a Custom Connector or a Dataverse plugin.
       
    • Create an API using API Management, and use it as an in-between API. You can even have it generate a custom connector for you.
      There is a small cost associated with this, but I know this works. 
     
    There are of course more options, but for me to give recommendations I need to look at the overall picture of your integration.
     
  • Kh3ldar Profile Picture
    Kh3ldar 19 on at
    Connecting an 3rd party HTTP API
    It's on cloud and we also need to use VPN. The server has whitelisted our crm address so we can make a request but CORS is blocking our way. I'm guessing Power Automate will try to connect from various addresses not our crm address and that's another roadblock.
  • Suggested answer
    Jonas "Jones" Melgaard Profile Picture
    Jonas "Jones" Melgaard 2,343 Super User 2025 Season 1 on at
    Connecting an 3rd party HTTP API
    Hi,
    You should be able to do this in Power Automate, that's what we are doing. 

    Edit: If you are using cloud, that is (-:

    Otherwise, if on-premise, I'd write a plugin in C#. My knowledge is somewhat limited on on-prem CRM, so I'm not sure if there is a smarter way of doing it.

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