Example of using the Episerver Profile store API

InsightCommandLine.cs

using Newtonsoft.Json.Linq;
using RestSharp;

namespace InsightClient
{
    class Program
    {
        private static string deviceId = "<deviceid>"; // retrive from _madid cookie value
        private static string apiRootUrl = "<apiRootUrl>"; // get from Insight / Profile store developer portal
        private static string subscriptionKey = "<subscriptionKey>"; // get from Insight / Profile store developer portal
        private static string resourceGetProfile = "api/v1.0/Profiles"; 
        private static string resourceUpdateProfile = "api/v1.0/Profiles/{id}";

        static void Main(string[] args)
        {
            var insightProfile = GetProfile();
            var updateResult = UpdateProfile(insightProfile, "07966 123456", "Episerver", "https://www.david-tec.com");
        }

        private static JToken GetProfile()
        {
            // Set up the request
            var client = new RestClient(apiRootUrl);
            var request = new RestRequest(resourceGetProfile, Method.GET);
            request.AddHeader("Ocp-Apim-Subscription-Key", subscriptionKey);

            // Filter the profiles based on the current device id
            request.AddParameter("$filter", "DeviceIds eq " + deviceId);

            // Execute the request to get the profile
            var getProfileResponse = client.Execute(request);
            var getProfileContent = getProfileResponse.Content;

            // Get the results as a JArray object
            var profileResponseObject = JObject.Parse(getProfileContent);
            var profileArray = (JArray)profileResponseObject["items"];

            // Expecting an array of profiles with one item in it
            var profileObject = profileArray.First;

            return profileObject;
        }

        private static IRestResponse UpdateProfile(JToken profileObject, string mobile, string company, string website)
        {
            // Set up the update profile request
            var client = new RestClient(apiRootUrl);
            var profileUpdateRequest = new RestRequest(resourceUpdateProfile, Method.PUT);
            profileUpdateRequest.AddHeader("Ocp-Apim-Subscription-Key", subscriptionKey);
            profileUpdateRequest.AddUrlSegment("id", profileObject["ProfileId"]);

            // Update the profile
            var infoObject = profileObject["Info"];
            infoObject["Mobile"] = mobile;
            infoObject["Company"] = company;
            infoObject["Website"] = website;

            // Populate the body to update the profile
            var updateBody = profileObject.ToString();
            profileUpdateRequest.AddParameter("application/json", updateBody, ParameterType.RequestBody);

            // PUT the update request to the API
            var updateResponse = client.Execute(profileUpdateRequest);

            return updateResponse;
        }
    }
}

Thanks, David. Very helpful!