How to use application user credential to call Web API?

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Posted on by FlowerPi

hi,

I have created the application user in Dynamic 365, and now i wish to write the connection string to connect to the Dynamic Environment using Web API. Anyone know how to write the connection string in C# App.config?

If i already have Application User, do i still need to fill in the UserPrincipalName and Password?

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Nya 29,064 on at

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Hi,

Please make sure that the application has been registered in Azure Active Directory admin center: Tutorial: Register an app with Azure Active Directory (Microsoft Dataverse) - Power Apps | Microsoft Docs

Then the connection code is something like:

{ "ConnectionStrings": { "CrmOnline": "Url=https://yourorganization.crm.dynamics.com/; Username=name@xxx.onmicrosoft.com; Password=password" }, "AppSettings": { "ClientId": "yourclientid", "RedirectUrl": "yourredirectUrl" } }

ClientId: ‘Application ID’ from Azure AD, generated in above section.

RedirectUrl: set in the registration.

Here is a complete sample you can refer to:

GitHub - mischameyer/sample-dynamics365-webapi-caller-dotnet461: Simple .NET Client (console) with .NET 4.6.1 to connect to an existing dynamics365-instance and get all contacts from a REST-Api (GET).

If this helped you, I'd appreciate it if you'd mark this as a Verified Answer, which may in turn help others as well.

Best Regards,

Nya

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