diff --git a/src/DigitalData.Auth.API/Services/ConsumerApiJsonBasedService.cs b/src/DigitalData.Auth.API/Services/ConsumerApiJsonBasedService.cs
new file mode 100644
index 0000000..3e23c48
--- /dev/null
+++ b/src/DigitalData.Auth.API/Services/ConsumerApiJsonBasedService.cs
@@ -0,0 +1,19 @@
+using DigitalData.Auth.API.Dto;
+using DigitalData.Auth.API.Services.Contracts;
+using Microsoft.Extensions.Options;
+
+namespace DigitalData.Auth.API.Services
+{
+    public class ConsumerApiJsonBasedService : IConsumerApiService
+    {
+        private readonly IEnumerable<ConsumerApi> _consumerAPIs;
+        public ConsumerApiJsonBasedService(IOptions<IEnumerable<ConsumerApi>> options)
+        {
+            _consumerAPIs = options.Value;
+        }
+
+        public Task<ConsumerApi?> ReadByNameAsync(string name) => Task.Run(() => _consumerAPIs.FirstOrDefault(api => api.Name == name));
+
+        public async Task<bool> VerifyAsync(ConsumerApiLogin login, string password) => (await ReadByNameAsync(login.Name))?.Password == password;
+    }
+}
\ No newline at end of file
diff --git a/src/DigitalData.Auth.API/Services/Contracts/IConsumerApiService.cs b/src/DigitalData.Auth.API/Services/Contracts/IConsumerApiService.cs
new file mode 100644
index 0000000..942d610
--- /dev/null
+++ b/src/DigitalData.Auth.API/Services/Contracts/IConsumerApiService.cs
@@ -0,0 +1,11 @@
+using DigitalData.Auth.API.Dto;
+
+namespace DigitalData.Auth.API.Services.Contracts
+{
+    public interface IConsumerApiService
+    {
+        public Task<ConsumerApi?> ReadByNameAsync(string name);
+
+        public Task<bool> VerifyAsync(ConsumerApiLogin login, string password);
+    }
+}
\ No newline at end of file