Got query to return data.

ConsoleAppTest/ConsoleAppTest.csproj

@@ -0,0 +1,14 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net9.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\Polygon.Client\Polygon.Client.csproj" />
+  </ItemGroup>
+
+</Project>

ConsoleAppTest/Program.cs

@@ -0,0 +1,12 @@
+using Polygon.Client;
+
+Console.WriteLine("Start");
+
+var client = new PolygonClient("");
+var request = new AllTickersRequest();
+var result = await client.GetAllTickersAsync(request);
+var a = result.Results.ToList();
+
+Console.WriteLine(result.Status);
+Console.WriteLine("End");
+Console.ReadKey();