diff --git a/x-pack/plugins/uptime/server/lib/requests/get_monitor_states.ts b/x-pack/plugins/uptime/server/lib/requests/get_monitor_states.ts
index 020fcf5331188..2ff1043d79e84 100644
--- a/x-pack/plugins/uptime/server/lib/requests/get_monitor_states.ts
+++ b/x-pack/plugins/uptime/server/lib/requests/get_monitor_states.ts
@@ -151,7 +151,7 @@ export const getHistogramForMonitors = async (
       },
     },
   };
-  const result = await queryContext.search(params);
+  const { body: result } = await queryContext.search(params);
 
   const histoBuckets: any[] = result.aggregations?.histogram.buckets ?? [];
   const simplified = histoBuckets.map((histoBucket: any): { timestamp: number; byId: any } => {
diff --git a/x-pack/test/api_integration/apis/uptime/rest/__snapshots__/monitor_states_real_data.snap b/x-pack/test/api_integration/apis/uptime/rest/__snapshots__/monitor_states_real_data.snap
new file mode 100644
index 0000000000000..50625683b605d
--- /dev/null
+++ b/x-pack/test/api_integration/apis/uptime/rest/__snapshots__/monitor_states_real_data.snap
@@ -0,0 +1,369 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`monitor states endpoint will fetch monitor state data for the given down filters 1`] = `
+Object {
+  "nextPagePagination": "{\\"cursorDirection\\":\\"AFTER\\",\\"sortOrder\\":\\"ASC\\",\\"cursorKey\\":{\\"monitor_id\\":\\"0020-down\\"}}",
+  "prevPagePagination": null,
+  "summaries": Array [
+    Object {
+      "histogram": Object {
+        "points": Array [
+          Object {
+            "down": 1,
+            "timestamp": 1568172624744,
+          },
+          Object {
+            "down": 2,
+            "timestamp": 1568172677247,
+          },
+          Object {
+            "down": 1,
+            "timestamp": 1568172729750,
+          },
+          Object {
+            "down": 2,
+            "timestamp": 1568172782253,
+          },
+          Object {
+            "down": 2,
+            "timestamp": 1568172834756,
+          },
+          Object {
+            "down": 2,
+            "timestamp": 1568172887259,
+          },
+          Object {
+            "down": 1,
+            "timestamp": 1568172939762,
+          },
+          Object {
+            "down": 2,
+            "timestamp": 1568172992265,
+          },
+          Object {
+            "down": 2,
+            "timestamp": 1568173044768,
+          },
+          Object {
+            "down": 2,
+            "timestamp": 1568173097271,
+          },
+          Object {
+            "down": 1,
+            "timestamp": 1568173149774,
+          },
+          Object {
+            "down": 2,
+            "timestamp": 1568173202277,
+          },
+        ],
+      },
+      "minInterval": 52503,
+      "monitor_id": "0010-down",
+      "state": Object {
+        "monitor": Object {
+          "name": "",
+        },
+        "observer": Object {
+          "geo": Object {
+            "name": Array [
+              "mpls",
+            ],
+          },
+        },
+        "summary": Object {
+          "down": 1,
+          "status": "down",
+          "up": 0,
+        },
+        "summaryPings": Array [
+          Object {
+            "@timestamp": "2019-09-11T03:40:34.371Z",
+            "agent": Object {
+              "ephemeral_id": "412a92a8-2142-4b1a-a7a2-1afd32e12f85",
+              "hostname": "avc-x1x",
+              "id": "04e1d082-65bc-4929-8d65-d0768a2621c4",
+              "type": "heartbeat",
+              "version": "8.0.0",
+            },
+            "docId": "rZtoHm0B0I9WX_CznN_V",
+            "ecs": Object {
+              "version": "1.1.0",
+            },
+            "error": Object {
+              "message": "400 Bad Request",
+              "type": "validate",
+            },
+            "event": Object {
+              "dataset": "uptime",
+            },
+            "host": Object {
+              "name": "avc-x1x",
+            },
+            "http": Object {
+              "response": Object {
+                "body": Object {
+                  "bytes": 3,
+                  "content": "400",
+                  "hash": "26d228663f13a88592a12d16cf9587caab0388b262d6d9f126ed62f9333aca94",
+                },
+                "status_code": 400,
+              },
+              "rtt": Object {
+                "content": Object {
+                  "us": 41,
+                },
+                "response_header": Object {
+                  "us": 36777,
+                },
+                "total": Object {
+                  "us": 37821,
+                },
+                "validate": Object {
+                  "us": 36818,
+                },
+                "write_request": Object {
+                  "us": 53,
+                },
+              },
+            },
+            "monitor": Object {
+              "check_group": "d76f07d1-d445-11e9-88e3-3e80641b9c71",
+              "duration": Object {
+                "us": 37926,
+              },
+              "id": "0010-down",
+              "ip": "127.0.0.1",
+              "name": "",
+              "status": "down",
+              "type": "http",
+            },
+            "observer": Object {
+              "geo": Object {
+                "location": "37.926868, -78.024902",
+                "name": "mpls",
+              },
+              "hostname": "avc-x1x",
+            },
+            "resolve": Object {
+              "ip": "127.0.0.1",
+              "rtt": Object {
+                "us": 56,
+              },
+            },
+            "summary": Object {
+              "down": 1,
+              "up": 0,
+            },
+            "tcp": Object {
+              "rtt": Object {
+                "connect": Object {
+                  "us": 890,
+                },
+              },
+            },
+            "timestamp": "2019-09-11T03:40:34.371Z",
+            "url": Object {
+              "domain": "localhost",
+              "full": "http://localhost:5678/pattern?r=400x1",
+              "path": "/pattern",
+              "port": 5678,
+              "query": "r=400x1",
+              "scheme": "http",
+            },
+          },
+        ],
+        "timestamp": "2019-09-11T03:40:34.371Z",
+        "url": Object {
+          "domain": "localhost",
+          "full": "http://localhost:5678/pattern?r=400x1",
+          "path": "/pattern",
+          "port": 5678,
+          "query": "r=400x1",
+          "scheme": "http",
+        },
+      },
+    },
+    Object {
+      "histogram": Object {
+        "points": Array [
+          Object {
+            "down": 1,
+            "timestamp": 1568172624744,
+          },
+          Object {
+            "down": 2,
+            "timestamp": 1568172677247,
+          },
+          Object {
+            "down": 1,
+            "timestamp": 1568172729750,
+          },
+          Object {
+            "down": 2,
+            "timestamp": 1568172782253,
+          },
+          Object {
+            "down": 2,
+            "timestamp": 1568172834756,
+          },
+          Object {
+            "down": 2,
+            "timestamp": 1568172887259,
+          },
+          Object {
+            "down": 1,
+            "timestamp": 1568172939762,
+          },
+          Object {
+            "down": 2,
+            "timestamp": 1568172992265,
+          },
+          Object {
+            "down": 2,
+            "timestamp": 1568173044768,
+          },
+          Object {
+            "down": 2,
+            "timestamp": 1568173097271,
+          },
+          Object {
+            "down": 1,
+            "timestamp": 1568173149774,
+          },
+          Object {
+            "down": 2,
+            "timestamp": 1568173202277,
+          },
+        ],
+      },
+      "minInterval": 52503,
+      "monitor_id": "0020-down",
+      "state": Object {
+        "monitor": Object {
+          "name": "",
+        },
+        "observer": Object {
+          "geo": Object {
+            "name": Array [
+              "mpls",
+            ],
+          },
+        },
+        "summary": Object {
+          "down": 1,
+          "status": "down",
+          "up": 0,
+        },
+        "summaryPings": Array [
+          Object {
+            "@timestamp": "2019-09-11T03:40:34.372Z",
+            "agent": Object {
+              "ephemeral_id": "412a92a8-2142-4b1a-a7a2-1afd32e12f85",
+              "hostname": "avc-x1x",
+              "id": "04e1d082-65bc-4929-8d65-d0768a2621c4",
+              "type": "heartbeat",
+              "version": "8.0.0",
+            },
+            "docId": "X5toHm0B0I9WX_CznN-6",
+            "ecs": Object {
+              "version": "1.1.0",
+            },
+            "error": Object {
+              "message": "400 Bad Request",
+              "type": "validate",
+            },
+            "event": Object {
+              "dataset": "uptime",
+            },
+            "host": Object {
+              "name": "avc-x1x",
+            },
+            "http": Object {
+              "response": Object {
+                "body": Object {
+                  "bytes": 3,
+                  "content": "400",
+                  "hash": "26d228663f13a88592a12d16cf9587caab0388b262d6d9f126ed62f9333aca94",
+                },
+                "status_code": 400,
+              },
+              "rtt": Object {
+                "content": Object {
+                  "us": 54,
+                },
+                "response_header": Object {
+                  "us": 180,
+                },
+                "total": Object {
+                  "us": 555,
+                },
+                "validate": Object {
+                  "us": 234,
+                },
+                "write_request": Object {
+                  "us": 63,
+                },
+              },
+            },
+            "monitor": Object {
+              "check_group": "d7712ecb-d445-11e9-88e3-3e80641b9c71",
+              "duration": Object {
+                "us": 14900,
+              },
+              "id": "0020-down",
+              "ip": "127.0.0.1",
+              "name": "",
+              "status": "down",
+              "type": "http",
+            },
+            "observer": Object {
+              "geo": Object {
+                "location": "37.926868, -78.024902",
+                "name": "mpls",
+              },
+              "hostname": "avc-x1x",
+            },
+            "resolve": Object {
+              "ip": "127.0.0.1",
+              "rtt": Object {
+                "us": 14294,
+              },
+            },
+            "summary": Object {
+              "down": 1,
+              "up": 0,
+            },
+            "tcp": Object {
+              "rtt": Object {
+                "connect": Object {
+                  "us": 105,
+                },
+              },
+            },
+            "timestamp": "2019-09-11T03:40:34.372Z",
+            "url": Object {
+              "domain": "localhost",
+              "full": "http://localhost:5678/pattern?r=400x1",
+              "path": "/pattern",
+              "port": 5678,
+              "query": "r=400x1",
+              "scheme": "http",
+            },
+          },
+        ],
+        "timestamp": "2019-09-11T03:40:34.372Z",
+        "url": Object {
+          "domain": "localhost",
+          "full": "http://localhost:5678/pattern?r=400x1",
+          "path": "/pattern",
+          "port": 5678,
+          "query": "r=400x1",
+          "scheme": "http",
+        },
+      },
+    },
+  ],
+  "totalSummaryCount": 2000,
+}
+`;
diff --git a/x-pack/test/api_integration/apis/uptime/rest/index.ts b/x-pack/test/api_integration/apis/uptime/rest/index.ts
index f59b79a6b7bfc..6f410add0fa4d 100644
--- a/x-pack/test/api_integration/apis/uptime/rest/index.ts
+++ b/x-pack/test/api_integration/apis/uptime/rest/index.ts
@@ -9,12 +9,15 @@ import {
   settingsObjectId,
   settingsObjectType,
 } from '../../../../../plugins/uptime/server/lib/saved_objects';
+import { registerMochaHooksForSnapshots } from '../../../../apm_api_integration/common/match_snapshot';
 
 export default function ({ getService, loadTestFile }: FtrProviderContext) {
   const esArchiver = getService('esArchiver');
   const server = getService('kibanaServer');
 
   describe('uptime REST endpoints', () => {
+    registerMochaHooksForSnapshots();
+
     beforeEach('clear settings', async () => {
       try {
         await server.savedObjects.delete({
diff --git a/x-pack/test/api_integration/apis/uptime/rest/monitor_states_real_data.ts b/x-pack/test/api_integration/apis/uptime/rest/monitor_states_real_data.ts
index d3c49bb49ff52..08a339ed59326 100644
--- a/x-pack/test/api_integration/apis/uptime/rest/monitor_states_real_data.ts
+++ b/x-pack/test/api_integration/apis/uptime/rest/monitor_states_real_data.ts
@@ -9,6 +9,7 @@ import { isRight } from 'fp-ts/lib/Either';
 import { FtrProviderContext } from '../../../ftr_provider_context';
 import { MonitorSummariesResultType } from '../../../../../plugins/uptime/common/runtime_types';
 import { API_URLS } from '../../../../../plugins/uptime/common/constants';
+import { expectSnapshot } from '../../../../apm_api_integration/common/match_snapshot';
 
 interface ExpectedMonitorStatesPage {
   response: any;
@@ -90,6 +91,16 @@ export default function ({ getService }: FtrProviderContext) {
       });
     });
 
+    it('will fetch monitor state data for the given down filters', async () => {
+      const statusFilter = 'down';
+      const size = 2;
+      const { body } = await supertest.get(
+        `${API_URLS.MONITOR_LIST}?dateRangeStart=${from}&dateRangeEnd=${to}&statusFilter=${statusFilter}&pageSize=${size}`
+      );
+
+      expectSnapshot(body).toMatch();
+    });
+
     it('can navigate forward and backward using pagination', async () => {
       const expectedResultsCount = 100;
       const size = 10;