Check If My Site Exists

checkmysite.cs

using Microsoft.SharePoint.Client;
using Microsoft.SharePoint.Client.UserProfiles;
 
using (ClientContext clientContext = new ClientContext("https://tenant.sharepoint.com/"))
{
    SecureString passWord = new SecureString();
 
    foreach (char c in "your_password".ToCharArray()) passWord.AppendChar(c);
 
    clientContext.Credentials = new SharePointOnlineCredentials("your_email_id", passWord);
    
    //This is the login name or account name of user whose my site url is needed
    string loginName = "i:0#.f|membership|email_id_of_user_whose_my_site_is_needed";
    PeopleManager peopleManager = new PeopleManager(clientContext);
    PersonProperties properties = peopleManager.GetPropertiesFor(loginName);
    clientContext.Load(properties, p => p.PersonalUrl, p => p.UserProfileProperties);
    clientContext.ExecuteQuery();
    Console.WriteLine("My Site Url is: " + properties.PersonalUrl);
    //code to get personal space property
    foreach (var property in properties.UserProfileProperties)
    {
        if (property.Key.ToString().ToLower().Equals("personalspace"))
        {
            Console.WriteLine("Perosnal Space: " + property.Value);
        }
    }
    Console.ReadLine();
}