How to Use application Insights REST API in Visual Studio MVC project

Question

I want to retrieve all the data that is present in my resource on the azure portal. I have found out that there is a REST API for application insights that can help in retrieving the data. What I want is to get the data and generate a grid report on my web page which displays the events related information, that is, date, type, message and all the related information. I haven't worked with REST API's before and what I want as a help is a proper guideline to use this REST API in my MVC based web project in visual studio. If anyone can help will be a great assistance.

They seem to have some pretty good documentation on their site found here: dev.applicationinsights.io and docs.microsoft.com/en-us/azure/application-insights Also, it may be worth looking into RestSharp as a way to easily build requests, send them, and get the response. There's a bunch of info available for RestSharp online. — parameter
Here you go :) restsharp.org I edited my first comment to include another link to some microsoft docs. There seemed to be more 'How-To's there. — parameter
@parameter I actually want to fetch data from azure portal's resource with whom my web app is configured and I don't have any experience of working with the REST API's before. — Awais

Ivan Yang Ivan Yang · Accepted Answer · 2018-09-03T08:37:55

You can follow the steps below:

step 1: Get the Application ID and an API key.

Nav to your application insights -> API Access, see the screenshot(Please remember, when the api key is generated, write it down):

step 2: Understand the API Format, for details, refer to here:

Here is an example for get requests count in the last 6 hours:

https://api.applicationinsights.io/v1/apps/your-application-id/metrics/requests/count?timespan=PT6H

This part https://api.applicationinsights.io/v1/apps/ do not need to change.

Then input your-application-id which you get from last step.

Then you can specify metrics or events as per your demand.

This part requests/count, you can refer to this, screenshot below:

The last part ?timespan=PT6H, you can refer to this, screenshot below:

step 3: Write your code to call this api, like below:

public class Test
{
 private const string URL_requests = "https://api.applicationinsights.io/v1/apps/your-application-id/metrics/requests/count?timespan=PT6H";

 public string GetRequestsCount()
        {
            // in step 1, you get this api key
            string apikey = "flk2bqn1ydur57p7pa74yc3aazhbzf52xbyxthef";

            HttpClient client = new HttpClient();
            client.DefaultRequestHeaders.Accept.Add(
                new MediaTypeWithQualityHeaderValue("application/json"));
            client.DefaultRequestHeaders.Add("x-api-key", apikey);
            var req = string.Format(URL_requests);
            HttpResponseMessage response = client.GetAsync(req).Result;
            if (response.IsSuccessStatusCode)
            {
                // you can get the request count here
                return response.Content.ReadAsStringAsync().Result;
            }
            else
            {
                return response.ReasonPhrase;
            }
        }
}

How to Use application Insights REST API in Visual Studio MVC project

1 Answers