c# - Azure Logic App authenticate with WebApp using MSI

Question

Has anyone ever managed to implement MSI authentication between a LogicApp and a WebApp? (assuming this is even possible). The only examples I am managing to find are to use MSI with services like Keyvault, Storage etc.

Answer 1

It can be done out of box. You can call MSI authenticated Web API from Logic App by following below simple steps:

1. Add MSI to your Logic App.

2. Add RBAC for Logic App in your Web API's App Service.

3. Add HTTP action with settings like below in your Logic App to call Web API (Don't add Audience and fill up other details of the API):

   

For more details, visit Authenticate access to Azure resources by using managed identities in Azure Logic Apps.