diff --git a/src/application-manager.d.ts b/src/application-manager.d.ts
index 9e66ab9c..017ee832 100644
--- a/src/application-manager.d.ts
+++ b/src/application-manager.d.ts
@@ -1,6 +1,7 @@
 import { EventEmitter } from 'events';
 
 import { ServiceAction } from './device-api/common';
+import { DeviceApplicationState } from './types/state';
 
 import Images = require('./compose/images');
 import ServiceManager = require('./compose/service-manager');
@@ -45,7 +46,8 @@ export class ApplicationManager extends EventEmitter {
 
 	public executeStepAction(serviceAction: ServiceAction, opts: Options): Promise<void>;
 
+	public getStatus(): Promise<DeviceApplicationState>;
+
 }
 
 export default ApplicationManager;
-
diff --git a/src/device-api/v2.ts b/src/device-api/v2.ts
index 50042728..6e4d0612 100644
--- a/src/device-api/v2.ts
+++ b/src/device-api/v2.ts
@@ -1,11 +1,11 @@
 import * as Bluebird from 'bluebird';
-import { Response, Request, Router } from 'express';
+import { Request, Response, Router } from 'express';
 import * as _ from 'lodash';
 
-import ApplicationManager from '../application-manager';
-import { doPurge, doRestart, serviceAction } from './common';
-
+import { ApplicationManager } from '../application-manager';
 import { appNotFoundMessage, serviceNotFoundMessage } from '../lib/messages';
+import Service from '../types/service';
+import { doPurge, doRestart, serviceAction } from './common';
 
 export function createV2Api(router: Router, applications: ApplicationManager) {
 
@@ -26,7 +26,7 @@ export function createV2Api(router: Router, applications: ApplicationManager) {
 						res.status(404).send(appNotFoundMessage);
 						return;
 					}
-					const service = _.find(app.services, { imageId });
+					const service = _.find(app.services, { imageId }) as Service | null;
 					if (service == null) {
 						res.status(404).send(serviceNotFoundMessage);
 						return;
diff --git a/src/types/state.ts b/src/types/state.ts
new file mode 100644
index 00000000..621053d8
--- /dev/null
+++ b/src/types/state.ts
@@ -0,0 +1,16 @@
+export interface DeviceApplicationState {
+	local: {
+		[appId: string]: {
+			services: {
+				[serviceId: string]: {
+					status: string;
+					releaseId: number;
+					download_progress: number | null;
+				};
+			};
+		};
+	};
+	// TODO
+	dependent: any;
+	commit: string;
+}