diff --git a/src/GitHubActionsDemo.Api.Contract/GitHubActionsDemo.Api.Contract.csproj b/src/GitHubActionsDemo.Api.Contract/GitHubActionsDemo.Api.Contract.csproj
deleted file mode 100644
index 4658cbf..0000000
--- a/src/GitHubActionsDemo.Api.Contract/GitHubActionsDemo.Api.Contract.csproj
+++ /dev/null
@@ -1,9 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk">
-
-  <PropertyGroup>
-    <TargetFramework>net7.0</TargetFramework>
-    <ImplicitUsings>enable</ImplicitUsings>
-    <Nullable>enable</Nullable>
-  </PropertyGroup>
-
-</Project>
diff --git a/src/GitHubActionsDemo.Api.Contract/AuthorRequest.cs b/src/GitHubActionsDemo.Api.Sdk/Authors/AuthorRequest.cs
similarity index 71%
rename from src/GitHubActionsDemo.Api.Contract/AuthorRequest.cs
rename to src/GitHubActionsDemo.Api.Sdk/Authors/AuthorRequest.cs
index f41a04b..64744f9 100644
--- a/src/GitHubActionsDemo.Api.Contract/AuthorRequest.cs
+++ b/src/GitHubActionsDemo.Api.Sdk/Authors/AuthorRequest.cs
@@ -1,4 +1,4 @@
-namespace GitHubActionsDemo.Api.Contract;
+namespace GitHubActionsDemo.Api.Sdk.Authors;
 
 public class AuthorRequest
 {
diff --git a/src/GitHubActionsDemo.Api.Sdk/Authors/AuthorResponse.cs b/src/GitHubActionsDemo.Api.Sdk/Authors/AuthorResponse.cs
new file mode 100644
index 0000000..e72f127
--- /dev/null
+++ b/src/GitHubActionsDemo.Api.Sdk/Authors/AuthorResponse.cs
@@ -0,0 +1,10 @@
+namespace GitHubActionsDemo.Api.Sdk.Authors;
+
+public class AuthorResponse
+{
+    public int AuthorId { get; set; }
+    public string FirstName { get; set; }
+    public string LastName { get; set; }
+    public DateTime DateCreated { get; set; }
+    public DateTime DateModified { get; set; }
+}
diff --git a/src/GitHubActionsDemo.Api.Sdk/Authors/IAuthorApi.cs b/src/GitHubActionsDemo.Api.Sdk/Authors/IAuthorApi.cs
new file mode 100644
index 0000000..f461aa5
--- /dev/null
+++ b/src/GitHubActionsDemo.Api.Sdk/Authors/IAuthorApi.cs
@@ -0,0 +1,16 @@
+using GitHubActionsDemo.Api.Sdk.Shared;
+using Refit;
+
+namespace GitHubActionsDemo.Api.Sdk.Authors;
+
+public interface IAuthorApi
+{
+    [Get("/authors/")]
+    Task<PagedResponse<AuthorResponse>> GetAuthorsAsync();
+
+    [Get("/authors/{authorId}")]
+    Task<AuthorResponse> GetAuthorAsync(int authorId);
+
+    [Post("/authors/")]
+    Task<AuthorResponse> CreateAuthorAsync([Body] AuthorRequest request);
+}
diff --git a/src/GitHubActionsDemo.Api.Contract/BookRequest.cs b/src/GitHubActionsDemo.Api.Sdk/Books/BookRequest.cs
similarity index 78%
rename from src/GitHubActionsDemo.Api.Contract/BookRequest.cs
rename to src/GitHubActionsDemo.Api.Sdk/Books/BookRequest.cs
index 6b4fbcf..e089958 100644
--- a/src/GitHubActionsDemo.Api.Contract/BookRequest.cs
+++ b/src/GitHubActionsDemo.Api.Sdk/Books/BookRequest.cs
@@ -1,4 +1,4 @@
-namespace GitHubActionsDemo.Api.Contract;
+namespace GitHubActionsDemo.Api.Sdk.Books;
 
 public class BookRequest
 {
diff --git a/src/GitHubActionsDemo.Api.Sdk/Books/BookResponse.cs b/src/GitHubActionsDemo.Api.Sdk/Books/BookResponse.cs
new file mode 100644
index 0000000..c375c09
--- /dev/null
+++ b/src/GitHubActionsDemo.Api.Sdk/Books/BookResponse.cs
@@ -0,0 +1,14 @@
+using GitHubActionsDemo.Api.Sdk.Authors;
+
+namespace GitHubActionsDemo.Api.Sdk.Books;
+
+public class BookResponse
+{
+    public int BookId { get; set; }
+    public string Title { get; set; }
+    public AuthorResponse Author { get; set; }
+    public string Isbn { get; set; }
+    public DateTime DatePublished { get; set; }
+    public DateTime DateCreated { get; set; }
+    public DateTime DateModified { get; set; }
+}
diff --git a/src/GitHubActionsDemo.Api.Sdk/Books/IBookApi.cs b/src/GitHubActionsDemo.Api.Sdk/Books/IBookApi.cs
new file mode 100644
index 0000000..4f09cf4
--- /dev/null
+++ b/src/GitHubActionsDemo.Api.Sdk/Books/IBookApi.cs
@@ -0,0 +1,16 @@
+using GitHubActionsDemo.Api.Sdk.Shared;
+using Refit;
+
+namespace GitHubActionsDemo.Api.Sdk.Books;
+
+public interface IBookApi
+{
+    [Get("/books/")]
+    Task<PagedResponse<BookResponse>> GetBooksAsync();
+
+    [Get("/books/{bookId}")]
+    Task<BookResponse> GetBookAsync(int bookId);
+
+    [Post("/books/")]
+    Task<IList<BookResponse>> CreateBookAsync([Body] BookRequest request);
+}
diff --git a/src/GitHubActionsDemo.Api.Sdk/Class1.cs b/src/GitHubActionsDemo.Api.Sdk/Class1.cs
deleted file mode 100644
index f3cdf9f..0000000
--- a/src/GitHubActionsDemo.Api.Sdk/Class1.cs
+++ /dev/null
@@ -1,6 +0,0 @@
-namespace GitHubActionsDemo.Api.Sdk;
-
-public class Class1
-{
-
-}
diff --git a/src/GitHubActionsDemo.Api.Sdk/GitHubActionsDemo.Api.Sdk.csproj b/src/GitHubActionsDemo.Api.Sdk/GitHubActionsDemo.Api.Sdk.csproj
index 4658cbf..e0cfd6c 100644
--- a/src/GitHubActionsDemo.Api.Sdk/GitHubActionsDemo.Api.Sdk.csproj
+++ b/src/GitHubActionsDemo.Api.Sdk/GitHubActionsDemo.Api.Sdk.csproj
@@ -5,5 +5,8 @@
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
   </PropertyGroup>
-
+  
+  <ItemGroup>
+    <PackageReference Include="Refit" Version="7.0.0" />
+  </ItemGroup>
 </Project>
diff --git a/src/GitHubActionsDemo.Api.Contract/PageRequest.cs b/src/GitHubActionsDemo.Api.Sdk/Shared/PageRequest.cs
similarity index 71%
rename from src/GitHubActionsDemo.Api.Contract/PageRequest.cs
rename to src/GitHubActionsDemo.Api.Sdk/Shared/PageRequest.cs
index c024086..48da9b4 100644
--- a/src/GitHubActionsDemo.Api.Contract/PageRequest.cs
+++ b/src/GitHubActionsDemo.Api.Sdk/Shared/PageRequest.cs
@@ -1,4 +1,4 @@
-namespace GitHubActionsDemo.Api.Contract;
+namespace GitHubActionsDemo.Api.Sdk.Shared;
 
 public class PageRequest
 {
diff --git a/src/GitHubActionsDemo.Api.Sdk/Shared/PagedResponse.cs b/src/GitHubActionsDemo.Api.Sdk/Shared/PagedResponse.cs
new file mode 100644
index 0000000..81e1b93
--- /dev/null
+++ b/src/GitHubActionsDemo.Api.Sdk/Shared/PagedResponse.cs
@@ -0,0 +1,16 @@
+using System.Collections;
+namespace GitHubActionsDemo.Api.Sdk.Shared;
+
+public class PagedResponse<T> where T : class
+{
+    public int Page { get; set; }
+    public int PageSize { get; set; }
+    public int Count
+    {
+        get
+        {
+            return Result.Count;
+        }
+    }
+    public IList<T> Result { get; set; }
+}
\ No newline at end of file
diff --git a/src/GitHubActionsDemo.Api/Controllers/AuthorsController.cs b/src/GitHubActionsDemo.Api/Controllers/AuthorsController.cs
index 3ee84d2..a796c61 100644
--- a/src/GitHubActionsDemo.Api/Controllers/AuthorsController.cs
+++ b/src/GitHubActionsDemo.Api/Controllers/AuthorsController.cs
@@ -1,4 +1,5 @@
-using GitHubActionsDemo.Api.Contract;
+using GitHubActionsDemo.Api.Sdk.Authors;
+using GitHubActionsDemo.Api.Sdk.Shared;
 using GitHubActionsDemo.Api.Mappers;
 using GitHubActionsDemo.Service;
 using Microsoft.AspNetCore.Mvc;
diff --git a/src/GitHubActionsDemo.Api/Controllers/BaseController.cs b/src/GitHubActionsDemo.Api/Controllers/BaseController.cs
index 7cb2fe8..5c3904c 100644
--- a/src/GitHubActionsDemo.Api/Controllers/BaseController.cs
+++ b/src/GitHubActionsDemo.Api/Controllers/BaseController.cs
@@ -1,6 +1,6 @@
 using System.Collections;
 using System.Net;
-using GitHubActionsDemo.Api.Models;
+using GitHubActionsDemo.Api.Sdk.Shared;
 using Microsoft.AspNetCore.Mvc;
 
 namespace GitHubActionsDemo.Api.Controllers;
@@ -12,8 +12,13 @@ public class BaseController : ControllerBase
         return Results.StatusCode((int)HttpStatusCode.InternalServerError);
     }
 
-    public IResult PagedResult<T>(int page, int pageSize, T result) where T : IList
+    public IResult PagedResult<T>(int page, int pageSize, IList<T> result) where T : class
     {
-        return Results.Ok(new PagedResponse<T>(page, pageSize, result));
+        return Results.Ok(new PagedResponse<T>
+        {
+            Page = page,
+            PageSize = pageSize,
+            Result = result
+        });
     }
 }
\ No newline at end of file
diff --git a/src/GitHubActionsDemo.Api/Controllers/BooksController.cs b/src/GitHubActionsDemo.Api/Controllers/BooksController.cs
index edab700..41c679e 100644
--- a/src/GitHubActionsDemo.Api/Controllers/BooksController.cs
+++ b/src/GitHubActionsDemo.Api/Controllers/BooksController.cs
@@ -1,4 +1,5 @@
-using GitHubActionsDemo.Api.Contract;
+using GitHubActionsDemo.Api.Sdk.Books;
+using GitHubActionsDemo.Api.Sdk.Shared;
 using GitHubActionsDemo.Api.Mappers;
 using GitHubActionsDemo.Service;
 using Microsoft.AspNetCore.Mvc;
diff --git a/src/GitHubActionsDemo.Api/GitHubActionsDemo.Api.csproj b/src/GitHubActionsDemo.Api/GitHubActionsDemo.Api.csproj
index 89cf809..983475e 100644
--- a/src/GitHubActionsDemo.Api/GitHubActionsDemo.Api.csproj
+++ b/src/GitHubActionsDemo.Api/GitHubActionsDemo.Api.csproj
@@ -19,7 +19,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <ProjectReference Include="..\GitHubActionsDemo.Api.Contract\GitHubActionsDemo.Api.Contract.csproj" />
+    <ProjectReference Include="..\GitHubActionsDemo.Api.Sdk\GitHubActionsDemo.Api.Sdk.csproj" />
     <ProjectReference Include="..\GitHubActionsDemo.Service\GitHubActionsDemo.Service.csproj" />
     <ProjectReference Include="..\GitHubActionsDemo.Persistance\GitHubActionsDemo.Persistance.csproj" />
   </ItemGroup>
diff --git a/src/GitHubActionsDemo.Api/Mappers/AuthorMapper.cs b/src/GitHubActionsDemo.Api/Mappers/AuthorMapper.cs
index ad925af..b3be853 100644
--- a/src/GitHubActionsDemo.Api/Mappers/AuthorMapper.cs
+++ b/src/GitHubActionsDemo.Api/Mappers/AuthorMapper.cs
@@ -1,4 +1,4 @@
-using GitHubActionsDemo.Api.Contract;
+using GitHubActionsDemo.Api.Sdk.Authors;
 using GitHubActionsDemo.Api.Models;
 using GitHubActionsDemo.Service.Models;
 
@@ -16,12 +16,14 @@ public static class AuthorMapper
 
     public static AuthorResponse Map(this Author author)
     {
-        return new AuthorResponse(
-            author.AuthorId,
-            author.FirstName,
-            author.LastName,
-            author.DateCreated,
-            author.DateModified
-        );
+        return new AuthorResponse
+        {
+            AuthorId = author.AuthorId,
+            FirstName = author.FirstName,
+            LastName = author.LastName,
+            DateCreated = author.DateCreated,
+            DateModified = author.DateModified
+        };
+
     }
 }
\ No newline at end of file
diff --git a/src/GitHubActionsDemo.Api/Mappers/BookMapper.cs b/src/GitHubActionsDemo.Api/Mappers/BookMapper.cs
index 92ffbef..efdc163 100644
--- a/src/GitHubActionsDemo.Api/Mappers/BookMapper.cs
+++ b/src/GitHubActionsDemo.Api/Mappers/BookMapper.cs
@@ -1,4 +1,4 @@
-using GitHubActionsDemo.Api.Contract;
+using GitHubActionsDemo.Api.Sdk.Books;
 using GitHubActionsDemo.Api.Models;
 using GitHubActionsDemo.Service.Models;
 
@@ -18,14 +18,15 @@ public static class BookMapper
 
     public static BookResponse Map(this Book book)
     {
-        return new BookResponse(
-            book.BookId,
-            book.Title,
-            book.Author.Map(),
-            book.Isbn,
-            book.DatePublished,
-            book.DateCreated,
-            book.DateModified
-        );
+        return new BookResponse
+        {
+            BookId = book.BookId,
+            Title = book.Title,
+            Author = book.Author.Map(),
+            Isbn = book.Isbn,
+            DatePublished = book.DatePublished,
+            DateCreated = book.DateCreated,
+            DateModified = book.DateModified
+        };
     }
 }
\ No newline at end of file
diff --git a/src/GitHubActionsDemo.Api/Models/AuthorResponse.cs b/src/GitHubActionsDemo.Api/Models/AuthorResponse.cs
deleted file mode 100644
index 2c04b51..0000000
--- a/src/GitHubActionsDemo.Api/Models/AuthorResponse.cs
+++ /dev/null
@@ -1,25 +0,0 @@
-namespace GitHubActionsDemo.Api.Models;
-
-public class AuthorResponse
-{
-    public AuthorResponse(
-        int authorId,
-        string firstName,
-        string lastName,
-        DateTime dateCreated,
-        DateTime dateModified
-    )
-    {
-        AuthorId = authorId;
-        FirstName = firstName;
-        LastName = lastName;
-        DateCreated = dateCreated;
-        DateModified = dateModified;
-    }
-
-    public int AuthorId { get; }
-    public string FirstName { get; }
-    public string LastName { get; }
-    public DateTime DateCreated { get; }
-    public DateTime DateModified { get; }
-}
diff --git a/src/GitHubActionsDemo.Api/Models/BookResponse.cs b/src/GitHubActionsDemo.Api/Models/BookResponse.cs
deleted file mode 100644
index afc0dcd..0000000
--- a/src/GitHubActionsDemo.Api/Models/BookResponse.cs
+++ /dev/null
@@ -1,31 +0,0 @@
-namespace GitHubActionsDemo.Api.Models;
-
-public class BookResponse
-{
-    public BookResponse(
-        int bookId,
-        string title,
-        AuthorResponse author,
-        string isbn,
-        DateTime datePublished,
-        DateTime dateCreated,
-        DateTime dateModified
-    )
-    {
-        BookId = bookId;
-        Title = title;
-        Author = author;
-        Isbn = isbn;
-        DatePublished = datePublished;
-        DateCreated = dateCreated;
-        DateModified = dateModified;
-    }
-
-    public int BookId { get; }
-    public string Title { get; }
-    public AuthorResponse Author { get; }
-    public string Isbn { get; }
-    public DateTime DatePublished { get; }
-    public DateTime DateCreated { get; }
-    public DateTime DateModified { get; }
-}
diff --git a/src/GitHubActionsDemo.Api/Models/PagedResponse.cs b/src/GitHubActionsDemo.Api/Models/PagedResponse.cs
deleted file mode 100644
index 8125a9c..0000000
--- a/src/GitHubActionsDemo.Api/Models/PagedResponse.cs
+++ /dev/null
@@ -1,18 +0,0 @@
-using System.Collections;
-namespace GitHubActionsDemo.Api.Models;
-
-public class PagedResponse<T> where T : IList
-{
-    public PagedResponse(int page, int pageSize, T result)
-    {
-        Page = page;
-        PageSize = pageSize;
-        Result = result;
-        Count = result.Count;
-    }
-
-    public int Page { get; }
-    public int PageSize { get; }
-    public int Count { get; }
-    public T Result { get; }
-}
\ No newline at end of file
diff --git a/src/GitHubActionsDemo.Api/Models/Validators/AuthorRequestValidator.cs b/src/GitHubActionsDemo.Api/Models/Validators/AuthorRequestValidator.cs
index 65f41a8..d289c93 100644
--- a/src/GitHubActionsDemo.Api/Models/Validators/AuthorRequestValidator.cs
+++ b/src/GitHubActionsDemo.Api/Models/Validators/AuthorRequestValidator.cs
@@ -1,5 +1,5 @@
 using FluentValidation;
-using GitHubActionsDemo.Api.Contract;
+using GitHubActionsDemo.Api.Sdk.Authors;
 namespace GitHubActionsDemo.Api.Models.Validators;
 
 public class AuthorRequestValidator : AbstractValidator<AuthorRequest>
diff --git a/src/GitHubActionsDemo.Api/Models/Validators/BookRequestValidator.cs b/src/GitHubActionsDemo.Api/Models/Validators/BookRequestValidator.cs
index c77d2ff..7c8288b 100644
--- a/src/GitHubActionsDemo.Api/Models/Validators/BookRequestValidator.cs
+++ b/src/GitHubActionsDemo.Api/Models/Validators/BookRequestValidator.cs
@@ -1,5 +1,5 @@
 using FluentValidation;
-using GitHubActionsDemo.Api.Contract;
+using GitHubActionsDemo.Api.Sdk.Books;
 namespace GitHubActionsDemo.Api.Models.Validators;
 
 public class BookRequestValidator : AbstractValidator<BookRequest>
diff --git a/src/GitHubActionsDemo.Api/Models/Validators/PageParametersValidator.cs b/src/GitHubActionsDemo.Api/Models/Validators/PageParametersValidator.cs
index 2a09bca..b076930 100644
--- a/src/GitHubActionsDemo.Api/Models/Validators/PageParametersValidator.cs
+++ b/src/GitHubActionsDemo.Api/Models/Validators/PageParametersValidator.cs
@@ -1,5 +1,5 @@
 using FluentValidation;
-using GitHubActionsDemo.Api.Contract;
+using GitHubActionsDemo.Api.Sdk.Shared;
 namespace GitHubActionsDemo.Api.Models.Validators;
 
 public class PageParametersValidator : AbstractValidator<PageRequest>
diff --git a/src/GitHubActionsDemo.Api/Program.cs b/src/GitHubActionsDemo.Api/Program.cs
index c7ef2cb..a78af57 100644
--- a/src/GitHubActionsDemo.Api/Program.cs
+++ b/src/GitHubActionsDemo.Api/Program.cs
@@ -2,7 +2,9 @@ using GitHubActionsDemo.Service.Infrastructure;
 using GitHubActionsDemo.Persistance.Infrastructure;
 using Serilog;
 using FluentValidation;
-using GitHubActionsDemo.Api.Contract;
+using GitHubActionsDemo.Api.Sdk.Authors;
+using GitHubActionsDemo.Api.Sdk.Books;
+using GitHubActionsDemo.Api.Sdk.Shared;
 using GitHubActionsDemo.Api.Models.Validators;
 
 var builder = WebApplication.CreateBuilder(args);
diff --git a/test/GitHubActionsDemo.Api.Tests/AuthorsControllerTests.cs b/test/GitHubActionsDemo.Api.Tests/AuthorsControllerTests.cs
index 4da9dc0..de39f22 100644
--- a/test/GitHubActionsDemo.Api.Tests/AuthorsControllerTests.cs
+++ b/test/GitHubActionsDemo.Api.Tests/AuthorsControllerTests.cs
@@ -1,12 +1,12 @@
 using System.Net;
 using FluentValidation;
 using FluentValidation.Results;
-using GitHubActionsDemo.Api.Contract;
 using GitHubActionsDemo.Api.Controllers;
-using GitHubActionsDemo.Api.Models;
 using GitHubActionsDemo.Service;
 using GitHubActionsDemo.Service.Models;
 using Microsoft.AspNetCore.Http.HttpResults;
+using GitHubActionsDemo.Api.Sdk.Authors;
+using GitHubActionsDemo.Api.Sdk.Shared;
 
 namespace GitHubActionsDemo.Api.Tests;