diff --git a/types/openapi-factory/index.d.ts b/types/openapi-factory/index.d.ts
new file mode 100644
index 0000000000..e41958e6df
--- /dev/null
+++ b/types/openapi-factory/index.d.ts
@@ -0,0 +1,59 @@
+// Type definitions for openapi-factory 4.2
+// Project: https://github.com/wparad/openapi-factory.js
+// Definitions by: Daan Boerlage <https://github.com/runebaas>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+// TypeScript Version: 2.2
+
+declare namespace OpenApi {
+    interface ApiOptions {
+        requestMiddleware?: () => any;
+        responseMiddleware?: () => any;
+        errorMiddleware?: () => any;
+    }
+
+    interface HttpMethodOptions {
+        rawBody?: boolean;
+    }
+
+    interface HttpResponse {
+        statusCode?: number;
+        headers?: object;
+        body?: (object | string);
+    }
+}
+
+declare class OpenApi {
+    constructor(options: OpenApi.ApiOptions, overrideLogger?: () => void);
+
+    setAuthorizer(authorizerFunc: (req?: any) => Promise<any>): void;
+    onEvent(onEventFunc: (req?: any) => Promise<any>): void;
+    onSchedule(onScheduleFunc: (req?: any) => Promise<any>): void;
+
+    head(route: string, handler: (req?: object) => (OpenApi.HttpResponse | Promise<OpenApi.HttpResponse>)): void;
+    head(route: string, options: OpenApi.HttpMethodOptions, handler: (req?: any) => any): void;
+
+    get(route: string, handler: (req?: object) => (OpenApi.HttpResponse | Promise<OpenApi.HttpResponse>)): void;
+    get(route: string, options: OpenApi.HttpMethodOptions, handler: (req?: object) => (OpenApi.HttpResponse | Promise<OpenApi.HttpResponse>)): void;
+
+    post(route: string, handler: (req?: object) => (OpenApi.HttpResponse | Promise<OpenApi.HttpResponse>)): void;
+    post(route: string, options: OpenApi.HttpMethodOptions, handler: (req?: object) => (OpenApi.HttpResponse | Promise<OpenApi.HttpResponse>)): void;
+
+    put(route: string, handler: (req?: object) => (OpenApi.HttpResponse | Promise<OpenApi.HttpResponse>)): void;
+    put(route: string, options: OpenApi.HttpMethodOptions, handler: (req?: object) => (OpenApi.HttpResponse | Promise<OpenApi.HttpResponse>)): void;
+
+    patch(route: string, handler: (req?: object) => (OpenApi.HttpResponse | Promise<OpenApi.HttpResponse>)): void;
+    patch(route: string, options: OpenApi.HttpMethodOptions, handler: (req?: object) => (OpenApi.HttpResponse | Promise<OpenApi.HttpResponse>)): void;
+
+    delete(route: string, handler: (req?: object) => (OpenApi.HttpResponse | Promise<OpenApi.HttpResponse>)): void;
+    delete(route: string, options: OpenApi.HttpMethodOptions, handler: (req?: object) => (OpenApi.HttpResponse | Promise<OpenApi.HttpResponse>)): void;
+
+    options(route: string, handler: (req?: object) => (OpenApi.HttpResponse | Promise<OpenApi.HttpResponse>)): void;
+    options(route: string, options: OpenApi.HttpMethodOptions, handler: (req?: object) => (OpenApi.HttpResponse | Promise<OpenApi.HttpResponse>)): void;
+
+    any(route: string, handler: (req?: object) => (OpenApi.HttpResponse | Promise<OpenApi.HttpResponse>)): void;
+    any(route: string, options: OpenApi.HttpMethodOptions, handler: (req?: object) => (OpenApi.HttpResponse | Promise<OpenApi.HttpResponse>)): void;
+
+    handler(event: object, context: object): Promise<any>;
+}
+
+export = OpenApi;
diff --git a/types/openapi-factory/openapi-factory-tests.ts b/types/openapi-factory/openapi-factory-tests.ts
new file mode 100644
index 0000000000..8213104a44
--- /dev/null
+++ b/types/openapi-factory/openapi-factory-tests.ts
@@ -0,0 +1,29 @@
+import OpenApiFactory = require('openapi-factory');
+
+const api = new OpenApiFactory({});
+
+api.setAuthorizer((req: any) => req);
+api.onEvent((req: any) => req);
+api.onSchedule((req: any) => req);
+
+const testReponse = {
+    statusCode: 200
+};
+
+api.head('/v1/test', () => testReponse);
+api.get('/v1/test', () => testReponse);
+api.post('/v1/test', () => testReponse);
+api.put('/v1/test', () => testReponse);
+api.patch('/v1/test', () => testReponse);
+api.delete('/v1/test', () => testReponse);
+api.options('/v1/test', () => testReponse);
+api.any('/v1/test2', () => testReponse);
+
+api.head('/v2/test', { rawBody: true }, () => testReponse);
+api.get('/v2/test', { rawBody: true }, () => testReponse);
+api.post('/v2/test', { rawBody: true }, () => testReponse);
+api.put('/v2/test', { rawBody: true }, () => testReponse);
+api.patch('/v2/test', { rawBody: true }, () => testReponse);
+api.delete('/v2/test', { rawBody: true }, () => testReponse);
+api.options('/v2/test', { rawBody: true }, () => testReponse);
+api.any('/v2/test2', { rawBody: true }, () => testReponse);
diff --git a/types/openapi-factory/tsconfig.json b/types/openapi-factory/tsconfig.json
new file mode 100644
index 0000000000..e9035817a2
--- /dev/null
+++ b/types/openapi-factory/tsconfig.json
@@ -0,0 +1,23 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": true,
+        "strictFunctionTypes": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "openapi-factory-tests.ts"
+    ]
+}
diff --git a/types/openapi-factory/tslint.json b/types/openapi-factory/tslint.json
new file mode 100644
index 0000000000..f93cf8562a
--- /dev/null
+++ b/types/openapi-factory/tslint.json
@@ -0,0 +1,3 @@
+{
+    "extends": "dtslint/dt.json"
+}