diff --git a/Mimir.MongoDB/Bson/PledgeDocument.cs b/Mimir.MongoDB/Bson/PledgeDocument.cs
index 5b4e41cb..7f3523b0 100644
--- a/Mimir.MongoDB/Bson/PledgeDocument.cs
+++ b/Mimir.MongoDB/Bson/PledgeDocument.cs
@@ -11,4 +11,5 @@ public record PledgeDocument(
     Address ContractAddress,
     bool Contracted,
     int RefillMead
-) : MimirBsonDocument(Address.ToHex(), new DocumentMetadata(1, StoredBlockIndex)) { }
+) : MimirBsonDocument(Address.ToHex(), new DocumentMetadata(1, StoredBlockIndex));
+
diff --git a/Mimir.MongoDB/Repositories/ActionPointRepository.cs b/Mimir.MongoDB/Repositories/ActionPointRepository.cs
index f909024b..8bc47994 100644
--- a/Mimir.MongoDB/Repositories/ActionPointRepository.cs
+++ b/Mimir.MongoDB/Repositories/ActionPointRepository.cs
@@ -10,7 +10,6 @@ public interface IActionPointRepository
 {
     Task<ActionPointDocument> GetByAddressAsync(Address address);
 }
-
 public class ActionPointRepository(IMongoDbService dbService) : IActionPointRepository
 {
     public virtual async Task<ActionPointDocument> GetByAddressAsync(Address address)
diff --git a/Mimir.MongoDB/Repositories/PledgeRepository.cs b/Mimir.MongoDB/Repositories/PledgeRepository.cs
index c28032a3..6f3626e3 100644
--- a/Mimir.MongoDB/Repositories/PledgeRepository.cs
+++ b/Mimir.MongoDB/Repositories/PledgeRepository.cs
@@ -5,8 +5,13 @@
 using MongoDB.Driver;
 
 namespace Mimir.MongoDB.Repositories;
+public interface IPledgeRepository
+{
+    Task<PledgeDocument> GetByAddressAsync(Address address);
+}
+
 
-public class PledgeRepository(IMongoDbService dbService)
+public class PledgeRepository(IMongoDbService dbService) : IPledgeRepository
 {
     public async Task<PledgeDocument> GetByAddressAsync(Address address)
     {
diff --git a/Mimir.Tests/QueryTests/PledgeTest.GraphQL_Query_Pledge_Returns_CorrectValue.verified.txt b/Mimir.Tests/QueryTests/PledgeTest.GraphQL_Query_Pledge_Returns_CorrectValue.verified.txt
new file mode 100644
index 00000000..97626671
--- /dev/null
+++ b/Mimir.Tests/QueryTests/PledgeTest.GraphQL_Query_Pledge_Returns_CorrectValue.verified.txt
@@ -0,0 +1,16 @@
+{
+  "data": {
+    "pledge": {
+      "address": "0x0000000000000000000000000000000000000000",
+      "contractAddress": "0x0000000000000000000000000000000000000000",
+      "contracted": true,
+      "id": "0000000000000000000000000000000000000000",
+      "refillMead": 10,
+      "storedBlockIndex": 10000,
+      "metadata": {
+        "schemaVersion": 1,
+        "storedBlockIndex": 10000
+      }
+    }
+  }
+}
\ No newline at end of file
diff --git a/Mimir.Tests/QueryTests/PledgeTest.cs b/Mimir.Tests/QueryTests/PledgeTest.cs
new file mode 100644
index 00000000..e9d5a777
--- /dev/null
+++ b/Mimir.Tests/QueryTests/PledgeTest.cs
@@ -0,0 +1,43 @@
+using Libplanet.Crypto;
+using Mimir.MongoDB.Bson;
+using Mimir.MongoDB.Repositories;
+using Mimir.Tests;
+using Moq;
+
+public class PledgeTest
+{
+    [Fact]
+    public async Task GraphQL_Query_Pledge_Returns_CorrectValue()
+    {
+        var mockRepo = new Mock<IPledgeRepository>();
+        mockRepo
+            .Setup(repo => repo.GetByAddressAsync(It.IsAny<Address>()))
+            .ReturnsAsync(new PledgeDocument(10000, default, default, true, 10));
+        
+        var serviceProvider = TestServices.Builder
+            .With(mockRepo.Object)
+            .Build();
+        
+        var address = "0x0000008001000000000200000000030000000004";
+        var query = $$"""
+                    query {
+                        pledge(agentAddress: "{{address}}") {
+                            address
+                            contractAddress
+                            contracted
+                            id
+                            refillMead
+                            storedBlockIndex
+                            metadata {
+                            schemaVersion
+                            storedBlockIndex
+                            }
+                        }
+                    }
+                    """;
+
+        var result = await TestServices.ExecuteRequestAsync(serviceProvider, b => b.SetDocument(query));
+
+        await Verify(result);      
+    }
+}
\ No newline at end of file
diff --git a/Mimir/GraphQL/Queries/Query.cs b/Mimir/GraphQL/Queries/Query.cs
index 0a2a71bd..7b66e1b4 100644
--- a/Mimir/GraphQL/Queries/Query.cs
+++ b/Mimir/GraphQL/Queries/Query.cs
@@ -128,7 +128,7 @@ public async Task<PetState> GetPetAsync(Address avatarAddress, [Service] PetRepo
     /// <summary>
     /// Get the pledge state for a given agent address.
     /// </summary>
-    public async Task<PledgeDocument> GetPledgeAsync(Address agentAddress, [Service] PledgeRepository repo) =>
+    public async Task<PledgeDocument> GetPledgeAsync(Address agentAddress, [Service] IPledgeRepository repo) =>
         await repo.GetByAddressAsync(agentAddress.GetPledgeAddress());
 
     /// <summary>
diff --git a/Mimir/Program.cs b/Mimir/Program.cs
index 9e609fcd..e4d76128 100644
--- a/Mimir/Program.cs
+++ b/Mimir/Program.cs
@@ -49,8 +49,8 @@
 builder.Services.AddSingleton<ItemSlotRepository>();
 builder.Services.AddSingleton<IMetadataRepository,MetadataRepository>();
 builder.Services.AddSingleton<PetRepository>();
-builder.Services.AddSingleton<PledgeRepository>();
 builder.Services.AddSingleton<IProductRepository, ProductRepository>();
+builder.Services.AddSingleton<IPledgeRepository, PledgeRepository>();
 builder.Services.AddSingleton<IProductsRepository, ProductsRepository>();
 builder.Services.AddSingleton<IStakeRepository, StakeRepository>();
 builder.Services.AddSingleton<TableSheetsRepository>();