diff --git a/src/WireMock.Net.Minimal/Pact/Models/V2/Interaction.cs b/src/WireMock.Net.Minimal/Pact/Models/V2/Interaction.cs
index f9cd9855..484fba69 100644
--- a/src/WireMock.Net.Minimal/Pact/Models/V2/Interaction.cs
+++ b/src/WireMock.Net.Minimal/Pact/Models/V2/Interaction.cs
@@ -5,11 +5,11 @@ namespace WireMock.Pact.Models.V2;
 
 public class Interaction
 {
-    public string? Description { get; set; }
+    public required string Description { get; set; }
 
     public string? ProviderState { get; set; }
 
-    public PactRequest Request { get; set; } = new();
+    public required PactRequest Request { get; set; }
 
-    public PactResponse Response { get; set; } = new();
+    public required PactResponse Response { get; set; }
 }
\ No newline at end of file
diff --git a/src/WireMock.Net.Minimal/Pact/Models/V2/MatchingRule.cs b/src/WireMock.Net.Minimal/Pact/Models/V2/MatchingRule.cs
index ada09a34..6fcefea1 100644
--- a/src/WireMock.Net.Minimal/Pact/Models/V2/MatchingRule.cs
+++ b/src/WireMock.Net.Minimal/Pact/Models/V2/MatchingRule.cs
@@ -8,20 +8,20 @@ public class MatchingRule
     /// <summary>
     /// type or regex
     /// </summary>
-    public string Match { get; set; } = "type";
+    public required string Match { get; set; }
 
     /// <summary>
     /// Used for Match = "type"
     /// </summary>
-    public string Min { get; set; }
+    public string? Min { get; set; }
 
     /// <summary>
     /// Used for Match = "type"
     /// </summary>
-    public string Max { get; set; }
+    public string? Max { get; set; }
 
     /// <summary>
     /// Used for Match = "regex"
     /// </summary>
-    public string Regex { get; set; }
+    public string? Regex { get; set; }
 }
\ No newline at end of file
diff --git a/src/WireMock.Net.Minimal/Pact/Models/V2/Metadata.cs b/src/WireMock.Net.Minimal/Pact/Models/V2/Metadata.cs
index 4036b1ef..d08e78e1 100644
--- a/src/WireMock.Net.Minimal/Pact/Models/V2/Metadata.cs
+++ b/src/WireMock.Net.Minimal/Pact/Models/V2/Metadata.cs
@@ -5,7 +5,7 @@ namespace WireMock.Pact.Models.V2;
 
 public class Metadata
 {
-    public string PactSpecificationVersion { get; set; }
+    public required string PactSpecificationVersion { get; set; }
 
-    public PactSpecification PactSpecification { get; set; } = new PactSpecification();
+    public required PactSpecification PactSpecification { get; set; }
 }
\ No newline at end of file
diff --git a/src/WireMock.Net.Minimal/Pact/Models/V2/Pact.cs b/src/WireMock.Net.Minimal/Pact/Models/V2/Pact.cs
index 90ae6f29..ac3799c7 100644
--- a/src/WireMock.Net.Minimal/Pact/Models/V2/Pact.cs
+++ b/src/WireMock.Net.Minimal/Pact/Models/V2/Pact.cs
@@ -1,17 +1,15 @@
 // Copyright © WireMock.Net
 
 #pragma warning disable CS1591
-using System.Collections.Generic;
-
 namespace WireMock.Pact.Models.V2;
 
 public class Pact
 {
-    public Pacticipant Consumer { get; set; }
+    public required Pacticipant Consumer { get; set; }
 
-    public List<Interaction> Interactions { get; set; } = new List<Interaction>();
+    public required List<Interaction> Interactions { get; set; } = [];
 
-    public Metadata Metadata { get; set; }
+    public Metadata? Metadata { get; set; }
 
-    public Pacticipant Provider { get; set; }
+    public required Pacticipant Provider { get; set; }
 }
\ No newline at end of file
diff --git a/src/WireMock.Net.Minimal/Pact/Models/V2/PactRequest.cs b/src/WireMock.Net.Minimal/Pact/Models/V2/PactRequest.cs
index 6c99359b..dd261172 100644
--- a/src/WireMock.Net.Minimal/Pact/Models/V2/PactRequest.cs
+++ b/src/WireMock.Net.Minimal/Pact/Models/V2/PactRequest.cs
@@ -1,7 +1,6 @@
 // Copyright © WireMock.Net
 
 #pragma warning disable CS1591
-using System.Collections.Generic;
 using WireMock.Constants;
 
 namespace WireMock.Pact.Models.V2;
@@ -10,9 +9,9 @@ public class PactRequest
 {
     public IDictionary<string, string>? Headers { get; set; }
 
-    public string Method { get; set; } = HttpRequestMethod.GET;
+    public required string Method { get; set; } = HttpRequestMethod.GET;
 
-    public string? Path { get; set; } = "/";
+    public required string Path { get; set; } = "/";
 
     public string? Query { get; set; }
 
diff --git a/src/WireMock.Net.Minimal/Pact/Models/V2/PactResponse.cs b/src/WireMock.Net.Minimal/Pact/Models/V2/PactResponse.cs
index 9cb2e1f4..fc408171 100644
--- a/src/WireMock.Net.Minimal/Pact/Models/V2/PactResponse.cs
+++ b/src/WireMock.Net.Minimal/Pact/Models/V2/PactResponse.cs
@@ -1,8 +1,6 @@
 // Copyright © WireMock.Net
 
 #pragma warning disable CS1591
-using System.Collections.Generic;
-
 namespace WireMock.Pact.Models.V2;
 
 public class PactResponse
@@ -11,5 +9,5 @@ public class PactResponse
 
     public IDictionary<string, string>? Headers { get; set; }
 
-    public int Status { get; set; } = 200;
+    public required int Status { get; set; }
 }
\ No newline at end of file
diff --git a/src/WireMock.Net.Minimal/Pact/Models/V2/PactRust.cs b/src/WireMock.Net.Minimal/Pact/Models/V2/PactRust.cs
index 42ec53aa..b14eb52e 100644
--- a/src/WireMock.Net.Minimal/Pact/Models/V2/PactRust.cs
+++ b/src/WireMock.Net.Minimal/Pact/Models/V2/PactRust.cs
@@ -5,9 +5,9 @@ namespace WireMock.Pact.Models.V2;
 
 public class PactRust
 {
-    public string Ffi { get; set; }
+    public required string Ffi { get; set; }
 
-    public string Mockserver { get; set; }
+    public required string Mockserver { get; set; }
 
-    public string Models { get; set; }
+    public required string Models { get; set; }
 }
\ No newline at end of file
diff --git a/src/WireMock.Net.Minimal/Pact/Models/V2/PactSpecification.cs b/src/WireMock.Net.Minimal/Pact/Models/V2/PactSpecification.cs
index 081e906e..db8d1880 100644
--- a/src/WireMock.Net.Minimal/Pact/Models/V2/PactSpecification.cs
+++ b/src/WireMock.Net.Minimal/Pact/Models/V2/PactSpecification.cs
@@ -5,5 +5,5 @@ namespace WireMock.Pact.Models.V2;
 
 public class PactSpecification
 {
-    public string Version { get; set; } = "2.0";
+    public required string Version { get; set; } = "2.0";
 }
\ No newline at end of file
diff --git a/src/WireMock.Net.Minimal/Pact/Models/V2/Pacticipant.cs b/src/WireMock.Net.Minimal/Pact/Models/V2/Pacticipant.cs
index c55e8919..8febc2f5 100644
--- a/src/WireMock.Net.Minimal/Pact/Models/V2/Pacticipant.cs
+++ b/src/WireMock.Net.Minimal/Pact/Models/V2/Pacticipant.cs
@@ -5,5 +5,5 @@ namespace WireMock.Pact.Models.V2;
 
 public class Pacticipant
 {
-    public string Name { get; set; }
+    public required string Name { get; set; }
 }
\ No newline at end of file
diff --git a/src/WireMock.Net.Minimal/Pact/Models/V2/ProviderState.cs b/src/WireMock.Net.Minimal/Pact/Models/V2/ProviderState.cs
index 6e597b04..bef7e8bc 100644
--- a/src/WireMock.Net.Minimal/Pact/Models/V2/ProviderState.cs
+++ b/src/WireMock.Net.Minimal/Pact/Models/V2/ProviderState.cs
@@ -7,7 +7,7 @@ namespace WireMock.Pact.Models.V2;
 
 public class ProviderState
 {
-    public string Name { get; set; }
+    public required string Name { get; set; }
 
-    public IDictionary<string, string> Params { get; set; }
+    public IDictionary<string, string>? Params { get; set; }
 }
\ No newline at end of file
diff --git a/src/WireMock.Net.Minimal/Serialization/PactMapper.cs b/src/WireMock.Net.Minimal/Serialization/PactMapper.cs
index c500840d..565f02cb 100644
--- a/src/WireMock.Net.Minimal/Serialization/PactMapper.cs
+++ b/src/WireMock.Net.Minimal/Serialization/PactMapper.cs
@@ -1,8 +1,5 @@
 // Copyright © WireMock.Net
 
-using System;
-using System.Collections.Generic;
-using System.Linq;
 using WireMock.Admin.Mappings;
 using WireMock.Extensions;
 using WireMock.Pact.Models.V2;
@@ -28,7 +25,8 @@ internal static class PactMapper
         var pact = new Pact.Models.V2.Pact
         {
             Consumer = new Pacticipant { Name = consumer },
-            Provider = new Pacticipant { Name = provider }
+            Provider = new Pacticipant { Name = provider },
+            Interactions = []
         };
 
         foreach (var mapping in server.MappingModels.OrderBy(m => m.Guid))
@@ -42,7 +40,7 @@ internal static class PactMapper
 
             var interaction = new Interaction
             {
-                Description = !string.IsNullOrWhiteSpace(mapping.Description) ? mapping.Description : mapping.Title ?? string.Empty,
+                Description = mapping.Description ?? mapping.Title ?? string.Empty,
                 Request = MapRequest(mapping.Request, path),
                 Response = MapResponse(mapping.Response)
             };
@@ -65,13 +63,8 @@ internal static class PactMapper
         };
     }
 
-    private static PactResponse MapResponse(ResponseModel? response)
+    private static PactResponse MapResponse(ResponseModel response)
     {
-        if (response == null)
-        {
-            return new PactResponse();
-        }
-
         return new PactResponse
         {
             Status = MapStatusCode(response.StatusCode),