diff --git a/src/TechLanches/TechLanches.API/Program.cs b/src/TechLanches/TechLanches.API/Program.cs
index 89878bf9..97a90bce 100644
--- a/src/TechLanches/TechLanches.API/Program.cs
+++ b/src/TechLanches/TechLanches.API/Program.cs
@@ -18,6 +18,7 @@
     config.UseSqlServer(builder.Configuration.GetConnectionString("DefaultConnection")));
 
 // mover para extensão
+builder.Services.AddScoped<IPagamentoService, FakeCheckoutService>();
 builder.Services.AddScoped<IClienteService, ClienteService>();
 builder.Services.AddScoped<IClienteRepository, ClienteRepository>();
 
diff --git a/src/TechLanches/TechLanches.Application/IPagamentoService.cs b/src/TechLanches/TechLanches.Application/IPagamentoService.cs
new file mode 100644
index 00000000..e214c9b2
--- /dev/null
+++ b/src/TechLanches/TechLanches.Application/IPagamentoService.cs
@@ -0,0 +1,20 @@
+namespace TechLanches.Application;
+
+public interface IPagamentoService
+{
+    Task<bool> RealizarPagamento(int pedidoId, FormaPagamento formaPagamento, decimal valor);
+}
+
+public class FakeCheckoutService : IPagamentoService
+{
+    public Task<bool> RealizarPagamento(int pedidoId, FormaPagamento formaPagamento, decimal valor)
+    {
+        //salvar informação de pagamento
+        return Task.FromResult(true);
+    }
+}
+
+public enum FormaPagamento
+{
+    QrCodeMercadoPago
+}
\ No newline at end of file