diff --git a/Test/Notion.UnitTests/DatabasesClientTests.cs b/Test/Notion.UnitTests/DatabasesClientTests.cs
index f9c09f3a..ddf65b4d 100644
--- a/Test/Notion.UnitTests/DatabasesClientTests.cs
+++ b/Test/Notion.UnitTests/DatabasesClientTests.cs
@@ -1,4 +1,5 @@
-using System.IO;
+using System.Collections.Generic;
+using System.IO;
 using System.Threading.Tasks;
 using FluentAssertions;
 using Notion.Client;
@@ -16,29 +17,106 @@ public DatabasesClientTests()
             _client = new DatabasesClient(new RestClient(ClientOptions));
         }
 
-        [Fact(Skip = "Internal Testing Purpose")]
+        [Fact]
         public async Task ListDatabasesAsync()
         {
-            var databasesList = await _client.ListAsync();
-            Assert.NotNull(databasesList);
+            var path = ApiEndpoints.DatabasesApiUrls.List();
+            var jsonData = await File.ReadAllTextAsync("data/databases/DatabasesListResponse.json");
+
+            Server.Given(CreateGetRequestBuilder(path))
+                .RespondWith(
+                Response.Create()
+                    .WithStatusCode(200)
+                    .WithBody(jsonData)
+            );
+
+            var databases = await _client.ListAsync();
+
+            databases.Results.Should().HaveCount(3);
+
+            foreach (var database in databases.Results)
+            {
+                database.Parent.Should().BeAssignableTo<IDatabaseParent>();
+                foreach (var property in database.Properties)
+                {
+                    property.Key.Should().Be(property.Value.Name);
+                }
+            }
         }
 
-        [Fact(Skip = "Internal Testing Purpose")]
-        public async Task RetrieveDatabaseAsync()
+        [Fact]
+        public async Task QueryAsync()
         {
-            var databaseId = "";
-            var database = await _client.RetrieveAsync(databaseId);
-            Assert.NotNull(database);
+            var databaseId = "f0212efc-caf6-4afc-87f6-1c06f1dfc8a1";
+            var path = ApiEndpoints.DatabasesApiUrls.Query(databaseId);
+            var jsonData = await File.ReadAllTextAsync("data/databases/DatabasesQueryResponse.json");
+
+            Server.Given(CreatePostRequestBuilder(path))
+                .RespondWith(
+                Response.Create()
+                    .WithStatusCode(200)
+                    .WithBody(jsonData)
+            );
+
+            var databasesQueryParams = new DatabasesQueryParameters
+            {
+                Filter = new CompoundFilter
+                {
+                    Or = new List<Filter> {
+                        new CheckboxFilter(
+                            "In stock",
+                            true
+                        ),
+                        new NumberFilter(
+                            "Cost of next trip",
+                            greaterThanOrEqualTo: 2
+                        )
+                    },
+                },
+                Sorts = new List<Sort>
+                {
+                    new Sort
+                    {
+                        Property = "Last ordered",
+                        Direction = Direction.Ascending
+                    }
+                }
+            };
+
+            var pagesPaginatedList = await _client.QueryAsync(databaseId, databasesQueryParams);
+
+            pagesPaginatedList.Results.Should().ContainSingle();
+
+            foreach (var page in pagesPaginatedList.Results)
+            {
+                page.Parent.Should().BeAssignableTo<IPageParent>();
+                page.Object.Should().Be(ObjectType.Page);
+            }
         }
 
-        [Fact(Skip = "Internal Testing Purpose")]
-        public async Task QueryAsync()
+        [Fact]
+        public async Task RetrieveDatabaseAsync()
         {
-            var databaseId = "";
-            var databasesQueryParameters = new DatabasesQueryParameters { };
-            var pagesList = await _client.QueryAsync(databaseId, databasesQueryParameters);
+            var databaseId = "f0212efc-caf6-4afc-87f6-1c06f1dfc8a1";
+            var path = ApiEndpoints.DatabasesApiUrls.Retrieve(databaseId);
+            var jsonData = await File.ReadAllTextAsync("data/databases/DatabaseRetrieveResponse.json");
+
+            Server.Given(CreateGetRequestBuilder(path))
+                .RespondWith(
+                Response.Create()
+                    .WithStatusCode(200)
+                    .WithBody(jsonData)
+            );
 
-            Assert.NotNull(pagesList);
+            var database = await _client.RetrieveAsync(databaseId);
+
+            database.Parent.Type.Should().Be(ParentType.PageId);
+            database.Parent.Should().BeOfType<PageParent>();
+            ((PageParent)database.Parent).PageId.Should().Be("649089db-8984-4051-98fb-a03593b852d8");
+            foreach (var property in database.Properties)
+            {
+                property.Key.Should().Be(property.Value.Name);
+            }
         }
 
         [Fact]
diff --git a/Test/Notion.UnitTests/Notion.UnitTests.csproj b/Test/Notion.UnitTests/Notion.UnitTests.csproj
index df1afc3c..bde5608a 100644
--- a/Test/Notion.UnitTests/Notion.UnitTests.csproj
+++ b/Test/Notion.UnitTests/Notion.UnitTests.csproj
@@ -42,6 +42,15 @@
     <None Update="data\databases\DatabasePropertyObjectContainNameProperty.json">
       <CopyToOutputDirectory>Always</CopyToOutputDirectory>
     </None>
+    <None Update="data\databases\DatabaseRetrieveResponse.json">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="data\databases\DatabasesListResponse.json">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="data\databases\DatabasesQueryResponse.json">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
   </ItemGroup>
 
 </Project>
diff --git a/Test/Notion.UnitTests/data/databases/DatabaseRetrieveResponse.json b/Test/Notion.UnitTests/data/databases/DatabaseRetrieveResponse.json
new file mode 100644
index 00000000..5ed09bb1
--- /dev/null
+++ b/Test/Notion.UnitTests/data/databases/DatabaseRetrieveResponse.json
@@ -0,0 +1,89 @@
+{
+  "object": "database",
+  "id": "f0212efc-caf6-4afc-87f6-1c06f1dfc8a1",
+  "created_time": "2021-05-22T18:44:00.000Z",
+  "last_edited_time": "2021-05-23T12:29:00.000Z",
+  "title": [
+    {
+      "type": "text",
+      "text": {
+        "content": "sample table",
+        "link": null
+      },
+      "annotations": {
+        "bold": false,
+        "italic": false,
+        "strikethrough": false,
+        "underline": false,
+        "code": false,
+        "color": "default"
+      },
+      "plain_text": "sample table",
+      "href": null
+    }
+  ],
+  "properties": {
+    "Tags": {
+      "id": "YG~h",
+      "name": "Tags",
+      "type": "multi_select",
+      "multi_select": {
+        "options": []
+      }
+    },
+    "SimpleText": {
+      "id": "_Dfp",
+      "name": "SimpleText",
+      "type": "rich_text",
+      "rich_text": {}
+    },
+    "Column": {
+      "id": "bxhl",
+      "name": "Column",
+      "type": "multi_select",
+      "multi_select": {
+        "options": [
+          {
+            "id": "5a44a233-33be-435e-b358-2c0ed1799dcf",
+            "name": "what",
+            "color": "gray"
+          }
+        ]
+      }
+    },
+    "SelectProp": {
+      "id": "eZ[y",
+      "name": "SelectProp",
+      "type": "select",
+      "select": {
+        "options": [
+          {
+            "id": "362dc255-c867-4543-b3ea-7bd988638228",
+            "name": "Female",
+            "color": "green"
+          }
+        ]
+      }
+    },
+    "Property": {
+      "id": "zDGa",
+      "name": "Property",
+      "type": "relation",
+      "relation": {
+        "database_id": "f86f2262-0751-40f2-8f63-e3f7a3c39fcb",
+        "synced_property_name": "Related to sample table (Property)",
+        "synced_property_id": "VQ}{"
+      }
+    },
+    "Name": {
+      "id": "title",
+      "name": "Name",
+      "type": "title",
+      "title": {}
+    }
+  },
+  "parent": {
+    "type": "page_id",
+    "page_id": "649089db-8984-4051-98fb-a03593b852d8"
+  }
+}
diff --git a/Test/Notion.UnitTests/data/databases/DatabasesListResponse.json b/Test/Notion.UnitTests/data/databases/DatabasesListResponse.json
new file mode 100644
index 00000000..ea380375
--- /dev/null
+++ b/Test/Notion.UnitTests/data/databases/DatabasesListResponse.json
@@ -0,0 +1,216 @@
+{
+  "object": "list",
+  "results": [
+    {
+      "object": "database",
+      "id": "f0212efc-caf6-4afc-87f6-1c06f1dfc8a1",
+      "created_time": "2021-05-22T18:44:00.000Z",
+      "last_edited_time": "2021-05-23T12:29:00.000Z",
+      "title": [
+        {
+          "type": "text",
+          "text": {
+            "content": "sample table",
+            "link": null
+          },
+          "annotations": {
+            "bold": false,
+            "italic": false,
+            "strikethrough": false,
+            "underline": false,
+            "code": false,
+            "color": "default"
+          },
+          "plain_text": "sample table",
+          "href": null
+        }
+      ],
+      "properties": {
+        "Tags": {
+          "id": "YG~h",
+          "name": "Tags",
+          "type": "multi_select",
+          "multi_select": {
+            "options": []
+          }
+        },
+        "SimpleText": {
+          "id": "_Dfp",
+          "name": "SimpleText",
+          "type": "rich_text",
+          "rich_text": {}
+        },
+        "Column": {
+          "id": "bxhl",
+          "name": "Column",
+          "type": "multi_select",
+          "multi_select": {
+            "options": [
+              {
+                "id": "5a44a233-33be-435e-b358-2c0ed1799dcf",
+                "name": "what",
+                "color": "gray"
+              }
+            ]
+          }
+        },
+        "SelectProp": {
+          "id": "eZ[y",
+          "name": "SelectProp",
+          "type": "select",
+          "select": {
+            "options": [
+              {
+                "id": "362dc255-c867-4543-b3ea-7bd988638228",
+                "name": "Female",
+                "color": "green"
+              }
+            ]
+          }
+        },
+        "Property": {
+          "id": "zDGa",
+          "name": "Property",
+          "type": "relation",
+          "relation": {
+            "database_id": "f86f2262-0751-40f2-8f63-e3f7a3c39fcb",
+            "synced_property_name": "Related to sample table (Property)",
+            "synced_property_id": "VQ}{"
+          }
+        },
+        "Name": {
+          "id": "title",
+          "name": "Name",
+          "type": "title",
+          "title": {}
+        }
+      },
+      "parent": {
+        "type": "page_id",
+        "page_id": "649089db-8984-4051-98fb-a03593b852d8"
+      }
+    },
+    {
+      "object": "database",
+      "id": "b38b2eed-282c-40f2-b454-cae5d882fef5",
+      "created_time": "2021-05-22T18:43:00.000Z",
+      "last_edited_time": "2021-05-22T18:43:00.000Z",
+      "title": [],
+      "properties": {
+        "Created": {
+          "id": "?uvZ",
+          "name": "Created",
+          "type": "created_time",
+          "created_time": {}
+        },
+        "Tags": {
+          "id": "{>_o",
+          "name": "Tags",
+          "type": "multi_select",
+          "multi_select": {
+            "options": []
+          }
+        },
+        "Name": {
+          "id": "title",
+          "name": "Name",
+          "type": "title",
+          "title": {}
+        }
+      },
+      "parent": {
+        "type": "page_id",
+        "page_id": "649089db-8984-4051-98fb-a03593b852d8"
+      }
+    },
+    {
+      "object": "database",
+      "id": "f86f2262-0751-40f2-8f63-e3f7a3c39fcb",
+      "created_time": "2021-05-22T18:30:00.000Z",
+      "last_edited_time": "2021-06-02T18:32:00.000Z",
+      "title": [
+        {
+          "type": "text",
+          "text": {
+            "content": "SampleDB",
+            "link": null
+          },
+          "annotations": {
+            "bold": false,
+            "italic": false,
+            "strikethrough": false,
+            "underline": false,
+            "code": false,
+            "color": "default"
+          },
+          "plain_text": "SampleDB",
+          "href": null
+        }
+      ],
+      "properties": {
+        "Property": {
+          "id": "Cf<z",
+          "name": "Property",
+          "type": "rich_text",
+          "rich_text": {}
+        },
+        "DateProp": {
+          "id": "E:|Y",
+          "name": "DateProp",
+          "type": "date",
+          "date": {}
+        },
+        "FormulaProp": {
+          "id": "JwY^",
+          "name": "FormulaProp",
+          "type": "formula",
+          "formula": {
+            "expression": "mod(1, 140)"
+          }
+        },
+        "Tags": {
+          "id": "Ox}R",
+          "name": "Tags",
+          "type": "multi_select",
+          "multi_select": {
+            "options": []
+          }
+        },
+        "Rock": {
+          "id": "QhVM",
+          "name": "Rock",
+          "type": "rich_text",
+          "rich_text": {}
+        },
+        "Related to sample table (Property)": {
+          "id": "VQ}{",
+          "name": "Related to sample table (Property)",
+          "type": "relation",
+          "relation": {
+            "database_id": "f0212efc-caf6-4afc-87f6-1c06f1dfc8a1",
+            "synced_property_name": "Property",
+            "synced_property_id": "zDGa"
+          }
+        },
+        "Column 1": {
+          "id": "Vure",
+          "name": "Column 1",
+          "type": "people",
+          "people": {}
+        },
+        "Name": {
+          "id": "title",
+          "name": "Name",
+          "type": "title",
+          "title": {}
+        }
+      },
+      "parent": {
+        "type": "workspace",
+        "workspace": true
+      }
+    }
+  ],
+  "next_cursor": null,
+  "has_more": false
+}
diff --git a/Test/Notion.UnitTests/data/databases/DatabasesQueryResponse.json b/Test/Notion.UnitTests/data/databases/DatabasesQueryResponse.json
new file mode 100644
index 00000000..27e70234
--- /dev/null
+++ b/Test/Notion.UnitTests/data/databases/DatabasesQueryResponse.json
@@ -0,0 +1,54 @@
+{
+  "object": "list",
+  "results": [
+    {
+      "object": "page",
+      "id": "2e01e904-febd-43a0-ad02-8eedb903a82c",
+      "created_time": "2020-03-17T19:10:04.968Z",
+      "last_edited_time": "2020-03-17T21:49:37.913Z",
+      "parent": {
+        "type": "database_id",
+        "database_id": "897e5a76-ae52-4b48-9fdf-e71f5945d1af"
+      },
+      "archived": false,
+      "url": "https://www.notion.so/2e01e904febd43a0ad028eedb903a82c",
+      "properties": {
+        "Recipes": {
+          "id": "Ai`L",
+          "type": "relation",
+          "relation": [
+            {
+              "id": "796659b4-a5d9-4c64-a539-06ac5292779e"
+            },
+            {
+              "id": "79e63318-f85a-4909-aceb-96a724d1021c"
+            }
+          ]
+        },
+        "Cost of next trip": {
+          "id": "R}wl",
+          "type": "formula",
+          "formula": {
+            "type": "number",
+            "number": 2
+          }
+        },
+        "Last ordered": {
+          "id": "UsKi",
+          "type": "date",
+          "date": {
+            "start": "2020-10-07",
+            "end": null
+          }
+        },
+        "In stock": {
+          "id": "{>U;",
+          "type": "checkbox",
+          "checkbox": false
+        }
+      }
+    }
+  ],
+  "has_more": false,
+  "next_cursor": null
+}