diff --git a/x-pack/test/api_integration/services/index.ts b/x-pack/test/api_integration/services/index.ts
index d135c43e2302..75cc2b451ea2 100644
--- a/x-pack/test/api_integration/services/index.ts
+++ b/x-pack/test/api_integration/services/index.ts
@@ -13,7 +13,7 @@ import { LegacyEsProvider } from './legacy_es';
 import { EsSupertestWithoutAuthProvider } from './es_supertest_without_auth';
 // @ts-ignore not ts yet
 import { SupertestWithoutAuthProvider } from './supertest_without_auth';
-// @ts-ignore not ts yet
+
 import { UsageAPIProvider } from './usage_api';
 import {
   InfraOpsGraphQLClientProvider,
diff --git a/x-pack/test/api_integration/services/usage_api.js b/x-pack/test/api_integration/services/usage_api.js
deleted file mode 100644
index 57ae1d152f70..000000000000
--- a/x-pack/test/api_integration/services/usage_api.js
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
- * or more contributor license agreements. Licensed under the Elastic License;
- * you may not use this file except in compliance with the Elastic License.
- */
-
-export function UsageAPIProvider({ getService }) {
-  const supertest = getService('supertest');
-  const supertestNoAuth = getService('supertestWithoutAuth');
-
-  return {
-    async getUsageStatsNoAuth() {
-      const { body } = await supertestNoAuth
-        .get('/api/stats?extended=true')
-        .set('kbn-xsrf', 'xxx')
-        .expect(401);
-      return body.usage;
-    },
-
-    async getUsageStats() {
-      const { body } = await supertest
-        .get('/api/stats?extended=true')
-        .set('kbn-xsrf', 'xxx')
-        .expect(200);
-      return body.usage;
-    },
-  };
-}
diff --git a/x-pack/test/api_integration/services/usage_api.ts b/x-pack/test/api_integration/services/usage_api.ts
new file mode 100644
index 000000000000..ef6f10f2d4f4
--- /dev/null
+++ b/x-pack/test/api_integration/services/usage_api.ts
@@ -0,0 +1,52 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License;
+ * you may not use this file except in compliance with the Elastic License.
+ */
+
+import { FtrProviderContext } from '../ftr_provider_context';
+import { TelemetryCollectionManagerPlugin } from '../../../../src/plugins/telemetry_collection_manager/server/plugin';
+
+export function UsageAPIProvider({ getService }: FtrProviderContext) {
+  const supertest = getService('supertest');
+  const supertestNoAuth = getService('supertestWithoutAuth');
+
+  return {
+    async getUsageStatsNoAuth(): Promise<undefined> {
+      const { body } = await supertestNoAuth
+        .get('/api/stats?extended=true')
+        .set('kbn-xsrf', 'xxx')
+        .expect(401);
+      return body.usage;
+    },
+
+    /**
+     * Public stats API: it returns the usage in camelCase format
+     */
+    async getUsageStats() {
+      const { body } = await supertest
+        .get('/api/stats?extended=true')
+        .set('kbn-xsrf', 'xxx')
+        .expect(200);
+      return body.usage;
+    },
+
+    /**
+     * Retrieve the stats via the private telemetry API:
+     * It returns the usage in as a string encrypted blob or the plain payload if `unencrypted: false`
+     *
+     * @param payload Request parameters to retrieve the telemetry stats
+     */
+    async getTelemetryStats(payload: {
+      unencrypted?: boolean;
+      timeRange: { min: Date; max: Date };
+    }): Promise<TelemetryCollectionManagerPlugin['getStats']> {
+      const { body } = await supertest
+        .post('/api/telemetry/v2/clusters/_stats')
+        .set('kbn-xsrf', 'xxx')
+        .send(payload)
+        .expect(200);
+      return body;
+    },
+  };
+}
diff --git a/x-pack/test/reporting_api_integration/reporting/usage.ts b/x-pack/test/reporting_api_integration/reporting/usage.ts
index 25bebaa6abcb..24e68b3917d6 100644
--- a/x-pack/test/reporting_api_integration/reporting/usage.ts
+++ b/x-pack/test/reporting_api_integration/reporting/usage.ts
@@ -19,7 +19,7 @@ export default function ({ getService }: FtrProviderContext) {
   const esArchiver = getService('esArchiver');
   const kibanaServer = getService('kibanaServer');
   const reportingAPI = getService('reportingAPI');
-  const usageAPI = getService('usageAPI' as any); // NOTE Usage API service is not Typescript
+  const usageAPI = getService('usageAPI');
 
   describe('reporting usage', () => {
     before(async () => {
diff --git a/x-pack/test/reporting_api_integration/services.ts b/x-pack/test/reporting_api_integration/services.ts
index 85f5a98c69b2..f98d8246fc01 100644
--- a/x-pack/test/reporting_api_integration/services.ts
+++ b/x-pack/test/reporting_api_integration/services.ts
@@ -9,6 +9,7 @@ import * as Rx from 'rxjs';
 import { filter, first, mapTo, switchMap, timeout } from 'rxjs/operators';
 import { indexTimestamp } from '../../plugins/reporting/server/lib/store/index_timestamp';
 import { services as xpackServices } from '../functional/services';
+import { services as apiIntegrationServices } from '../api_integration/services';
 import { FtrProviderContext } from './ftr_provider_context';
 
 interface PDFAppCounts {
@@ -185,5 +186,6 @@ export function ReportingAPIProvider({ getService }: FtrProviderContext) {
 
 export const services = {
   ...xpackServices,
+  usageAPI: apiIntegrationServices.usageAPI,
   reportingAPI: ReportingAPIProvider,
 };