Http

 using cAlgo.API;
 namespace cAlgo.Robots;
 [Robot(AccessRights = AccessRights.None)]
 public class Test : Robot
 {
     protected override void OnStart()
     {
         var response = Http.Get("https://api.restful-api.dev/objects");
         if (!response.IsSuccessful)
         {
             Print("HTTP request failed");
             return;
         }
         Print(response.Body);
     }
 }

 using cAlgo.API;
 namespace cAlgo.Robots;
 [Robot(AccessRights = AccessRights.None)]
 public class Test : Robot
 {
     protected override void OnStart()
     {
         var request = new HttpRequest(new("https://api.restful-api.dev/objects"));
         request.Headers.Add("Authorization", "Bearer token");
         var response = Http.Send(request);
         if (!response.IsSuccessful)
         {
             Print("HTTP request failed");
             return;
         }
         Print(response.Body);
     }
 }

 import clr
 clr.AddReference("cAlgo.API")
 # Import cAlgo API types
 from cAlgo.API import *
 # Import trading wrapper functions
 from robot_wrapper import *
 class Test():
     def on_start(self):
         response = api.Http.Get("https://api.restful-api.dev/objects")
         if response.IsSuccessful == False:
             print("HTTP request failed")
             return
         print(response.Body)

 import clr
 clr.AddReference("cAlgo.API")
 # Import cAlgo API types
 from cAlgo.API import *
 # Import trading wrapper functions
 from robot_wrapper import *
 from System import Uri
 class Test():
     def on_start(self):
         request = HttpRequest(Uri("https://api.restful-api.dev/objects"))
         request.Headers.Add("Authorization", "Bearer token")
         response = api.Http.Send(request)
         if response.IsSuccessful == False:
             print("HTTP request failed")
             return
         print(response.Body)