Custom Web Service in few steps D365FO

In this article, I will explain how we can create a basic custom Web Service in D365FO with few steps.

Step-1 Create a class with the name of IntegrationService and write a method get foo.

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public class IntegrationService
{
public str getFoo()
{
return "Hello World";
}
}

Step-2 Create Add new Service and associate your class with newly created service
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Step-3 Class association with service.

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Step-4 Add the method of your class in the service operations node that you want to expose.

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Step-5 Add a Service group and associate your service with the service group.

Step-6 Set the service property Auto deploy= YES

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Step-7 Perform Build & Sync and verify from browser.
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Service URL
https://usnconeboxax1aos.cloud.onebox.dynamics.com/api/services/[ServiceGroupName]/[ServiceName]/[MethodName]

Sample
https://usnconeboxax1aos.cloud.onebox.dynamics.com/api/services/IntegrationGroup/IntegrationService/getfoo

Follow this link to consume web service using POSTMAN

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Dynamics 365 Finance & Operation WebAPI with POSTMAN

Most of the time we used 3rd Party tools like fiddler, Post Man and SoupUI as clients to consume web services.

In this blog i will explain, How can we use POSTMAN to consume Web-API by using Oauth2 Azure Authentication.

Step-1 Download the POSTMAN from this link.

Step-2 Register The Azure Application (Web API). You can follow this link

Step-3 Add the below URL in the Reply URL section https://www.getpostman.com/oauth2/callback. check the below screenshot.

Step-4 Once App registration completed Enter Application ID in D365FO

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Step-5 Open POST man and navigate to Authorization Tab and select OAuth2 as Authentication Type.

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Step-6 Click on Get New Access Token. A Popup will appear.

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Step-7 Fill the required fields Like below

Call Back URL > You can't change this.
Token Name (As per your requirement)
Auth URL

https://login.windows.net/YourTenant.com/oauth2/authorize?resource=https://EnvironmentURL.operations.dynamics.com

Access Token URL
https://login.windows.net/YourTenant.com/oauth2/token?resource=https://EnvironmentURL.operations.dynamics.com

You can find the tenant from AX as well. Open D365FO Click on the Setting icon. you can find it the on the top right of the screen then click on about.

Client ID > Application ID You Registered On Azure Portal
Secret Key > Enter the secret key you generate against your Azure Application.

If you don't provide a secret key then a popup window will appear for login.

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Step-8 Click on Request Toke. Within 4 to 5 seconds you will get the Azure Authentication Token.

Step-9 Now select the Header value from the drop-down and click on USE token to add this token in your request.

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Step-10 Navigate to Header Tabs for the verification of the Authorization token in your request

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Step-11 Enter the Complete service URL and click on send. in my case, I have called getFoo service.

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Please check the above screenshot. You will find the successful result

Please feel free to contact me if you are facing any issues during the implementation of this blog.

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