diff --git a/Core/Core/Api/Operations/Operations.Send.cs b/Core/Core/Api/Operations/Operations.Send.cs
index da01128a02..6e02aeb0c0 100644
--- a/Core/Core/Api/Operations/Operations.Send.cs
+++ b/Core/Core/Api/Operations/Operations.Send.cs
@@ -11,6 +11,7 @@
 using Speckle.Core.Serialisation;
 using Speckle.Core.Transports;
 using Speckle.Newtonsoft.Json.Linq;
+using SpeckleActivityFactory = Speckle.Sdk.Logging.SpeckleActivityFactory;
 
 namespace Speckle.Core.Api;
 
@@ -154,6 +155,7 @@ internal static async Task<string> SerializerSend(
     CancellationToken cancellationToken = default
   )
   {
+    using var activity = SpeckleActivityFactory.Start();
     string obj = serializer.Serialize(value);
     Task[] transportAwaits = serializer.WriteTransports.Select(t => t.WriteComplete()).ToArray();
 
diff --git a/Core/Core/Core.csproj b/Core/Core/Core.csproj
index fac2359928..9eb1ab8514 100644
--- a/Core/Core/Core.csproj
+++ b/Core/Core/Core.csproj
@@ -56,6 +56,7 @@
     <PackageReference Include="Serilog.Sinks.Seq" Version="5.2.2" />
     <PackageReference Include="SerilogTimings" Version="3.0.1" />
     <PackageReference Include="Speckle.Newtonsoft.Json" Version="13.0.2" />
+    <PackageReference Include="Speckle.Sdk.Logging" Version="3.1.0-dev.110" />
     <PackageReference Include="System.DoubleNumerics" Version="3.1.3" />
     <PackageReference Include="System.Text.Json" Version="5.0.2" /> <!-- research has found this is the least offensive version -->
   </ItemGroup>
diff --git a/Core/Core/Logging/Setup.cs b/Core/Core/Logging/Setup.cs
index 3c40989651..16924fce53 100644
--- a/Core/Core/Logging/Setup.cs
+++ b/Core/Core/Logging/Setup.cs
@@ -5,6 +5,7 @@
 using System.Threading;
 using Speckle.Core.Credentials;
 using Speckle.Core.Kits;
+using Speckle.Sdk.Logging;
 
 namespace Speckle.Core.Logging;
 
@@ -80,6 +81,7 @@ public static void Init(
       Analytics.AddConnectorToProfile(account.GetHashedEmail(), hostApplication);
       Analytics.IdentifyProfile(account.GetHashedEmail(), hostApplication);
     }
+    LogBuilder.Initialize("Otel-Testing", versionedHostApplication, "revit", null, new SpeckleTracing(true));
   }
 
   [Obsolete("Use " + nameof(Mutex))]
diff --git a/Core/Core/Serialisation/BaseObjectDeserializerV2.cs b/Core/Core/Serialisation/BaseObjectDeserializerV2.cs
index 908a4b1f99..c77dfa0e8d 100644
--- a/Core/Core/Serialisation/BaseObjectDeserializerV2.cs
+++ b/Core/Core/Serialisation/BaseObjectDeserializerV2.cs
@@ -11,6 +11,7 @@
 using Speckle.Core.Transports;
 using Speckle.Newtonsoft.Json;
 using Speckle.Newtonsoft.Json.Linq;
+using SpeckleActivityFactory = Speckle.Sdk.Logging.SpeckleActivityFactory;
 
 namespace Speckle.Core.Serialisation;
 
@@ -52,6 +53,7 @@ public sealed class BaseObjectDeserializerV2
   // /// <exception cref="TransportException"><see cref="ReadTransport"/> did not contain the required json objects (closures)</exception>
   public Base Deserialize(string rootObjectJson)
   {
+    using var activity = SpeckleActivityFactory.Start();
     if (_isBusy)
     {
       throw new InvalidOperationException(
@@ -163,6 +165,7 @@ public Base Deserialize(string rootObjectJson)
   /// <exception cref="SpeckleDeserializeException">Failed to deserialize <see cref="JObject"/> to the target type</exception>
   public object? DeserializeTransportObject(string objectJson)
   {
+    using var activity = SpeckleActivityFactory.Start();
     if (objectJson is null)
     {
       throw new ArgumentNullException(nameof(objectJson), $"Cannot deserialize {nameof(objectJson)}, value was null");
diff --git a/Core/Core/Transports/SQLite.cs b/Core/Core/Transports/SQLite.cs
index 5b3f4f9b72..d4e8a8e65f 100644
--- a/Core/Core/Transports/SQLite.cs
+++ b/Core/Core/Transports/SQLite.cs
@@ -9,9 +9,10 @@
 using System.Threading.Tasks;
 using System.Timers;
 using Microsoft.Data.Sqlite;
-using Speckle.Core.Helpers;
 using Speckle.Core.Logging;
 using Speckle.Core.Models;
+using Speckle.Sdk.Logging;
+using SpecklePathProvider = Speckle.Core.Helpers.SpecklePathProvider;
 using Timer = System.Timers.Timer;
 
 namespace Speckle.Core.Transports;
@@ -33,7 +34,7 @@ public sealed class SQLiteTransport : IDisposable, ICloneable, ITransport, IBlob
   /// Connects to an SQLite DB at {<paramref name="basePath"/>}/{<paramref name="applicationName"/>}/{<paramref name="scope"/>}.db
   /// Will attempt to create db + directory structure as needed
   /// </summary>
-  /// <param name="basePath">defaults to <see cref="SpecklePathProvider.UserApplicationDataPath"/> if <see langword="null"/></param>
+  /// <param name="basePath">defaults to <see cref="Helpers.SpecklePathProvider.UserApplicationDataPath"/> if <see langword="null"/></param>
   /// <param name="applicationName">defaults to <c>"Speckle"</c> if <see langword="null"/></param>
   /// <param name="scope">defaults to <c>"Data"</c> if <see langword="null"/></param>
   /// <exception cref="SqliteException">Failed to initialize a connection to the db</exception>
@@ -318,6 +319,7 @@ private void ConsumeQueue()
 
       using (var c = new SqliteConnection(_connectionString))
       {
+        using var activity = SpeckleActivityFactory.Start("Consume");
         c.Open();
         using var t = c.BeginTransaction();
         const string COMMAND_TEXT = "INSERT OR IGNORE INTO objects(hash, content) VALUES(@hash, @content)";
diff --git a/Core/Core/Transports/ServerUtils/ParallelServerAPI.cs b/Core/Core/Transports/ServerUtils/ParallelServerAPI.cs
index 0bad69cde2..d1b19dc5d6 100644
--- a/Core/Core/Transports/ServerUtils/ParallelServerAPI.cs
+++ b/Core/Core/Transports/ServerUtils/ParallelServerAPI.cs
@@ -7,6 +7,7 @@
 using System.Threading.Tasks;
 using Speckle.Core.Logging;
 using Speckle.Core.Serialisation.SerializationUtilities;
+using Speckle.Sdk.Logging;
 
 namespace Speckle.Core.Transports.ServerUtils;
 
@@ -142,6 +143,7 @@ CbObjectDownloaded onObjectCallback
 
   public async Task UploadObjects(string streamId, IReadOnlyList<(string, string)> objects)
   {
+    using var activity = SpeckleActivityFactory.Start();
     EnsureStarted();
     List<Task<object?>> tasks = new();
     IReadOnlyList<IReadOnlyList<(string, string)>> splitObjects;
diff --git a/Core/Core/Transports/ServerUtils/ServerAPI.cs b/Core/Core/Transports/ServerUtils/ServerAPI.cs
index 09912368cf..43bd380edb 100644
--- a/Core/Core/Transports/ServerUtils/ServerAPI.cs
+++ b/Core/Core/Transports/ServerUtils/ServerAPI.cs
@@ -417,6 +417,10 @@ private async Task UploadObjectsImpl(string streamId, List<List<(string, string)
     }
     message.Content = multipart;
     HttpResponseMessage response = await _client.SendAsync(message, CancellationToken).ConfigureAwait(false);
+    if (response.Headers.TryGetValues("cf-ray",  out var rayValues))
+    {
+      SpeckleLog.Logger.Information("Received Speckle API response with CF Ray {rayId}", string.Join(";", rayValues));
+    }
 
     response.EnsureSuccessStatusCode();