tbuha

declare @url nvarchar(4000) = N'https://genesys-noralogix.azurewebsites.net/api/v2/routing/queues';
 - declare @headers nvarchar(4000) = N'{"header1":"value_a", "header2":"value2", "header1":"value_b"}'
 - declare @payload nvarchar(max) = N'{"some":{"data":"here"}}'
declare @ret int, @response nvarchar(max);
exec @ret = sp_invoke_external_rest_endpoint
@url = @url,
@method = 'GET',
 - @headers = @headers,
 - @payload = @payload,
@credential = [https://genesys-noralogix.azurewebsites.net/api/v2/routing/queues],

tbuha

using System;
using System.IO;
using System.Net.Http;
using System.Text.Json;
using System.Threading.Tasks;

namespace PCUploadContactList
{
    public class ContactListService
    {