diff --git a/package.json b/package.json
index 687e954..78bfef6 100644
--- a/package.json
+++ b/package.json
@@ -5,6 +5,8 @@
   "module": "dist/vue-authenticate.esm.min.js",
   "browser": "dist/vue-authenticate.umd.min.js",
   "main": "dist/vue-authenticate.esm.min.js",
+  "types": "types/index.d.ts",
+  "typings": "types/index.d.ts",
   "scripts": {
     "build": "rollup -c",
     "lint": "eslint src",
@@ -33,7 +35,7 @@
     "url": "https://github.com/ajmas/vue-authenticate.git"
   },
   "files": [
-    "dist"
+    "dist", "types/index.d.ts"
   ],
   "license": "MIT",
   "devDependencies": {
diff --git a/types/index.d.ts b/types/index.d.ts
new file mode 100644
index 0000000..34e1902
--- /dev/null
+++ b/types/index.d.ts
@@ -0,0 +1,80 @@
+import { AxiosResponse, AxiosInstance, AxiosRequestConfig } from 'axios';
+
+export interface CookieStorageOptions {
+  domain?: string;
+  path?: string;
+  secure?: boolean;
+}
+
+export interface ProviderOptions {
+  name?: string;
+  url?: string;
+  clientId?: string;
+  authorizationEndpoint?: string;
+  redirectUri?: string;
+  requiredUrlParams?: string[];
+  defaultUrlParams?: string[];
+  optionalUrlParams?: string[];
+  scope?: string[];
+  scopePrefix?: string;
+  scopeDelimiter?: string;
+  state?: string;
+  display?: string;
+  oauthType?: string;
+  responseType?: string;
+  responseParams?: {
+    code?: string;
+    clientId?: string;
+    redirectUri?: string;
+  };
+  popupOptions?: {
+    width: number;
+    height: number;
+  };
+}
+
+export declare class VueAuthenticate {
+  login(user: Object): Promise<AxiosResponse>;
+  login(
+    user: Object,
+    requestOptions: AxiosRequestConfig
+  ): Promise<AxiosResponse>;
+  isAuthenticated(): boolean;
+  getToken(): string;
+  setToken(token: string | object): void;
+  register(
+    user: any,
+    requestOptions?: AxiosRequestConfig
+  ): Promise<AxiosResponse>;
+  logout(requestOptions?: AxiosRequestConfig): Promise<AxiosResponse>;
+  authenticate(
+    provider: string,
+    userData: any,
+    requestOptions?: AxiosRequestConfig
+  ): Promise<{}>;
+}
+
+export interface AuthenticateOptions {
+  baseUrl?: string;
+  axios?: AxiosInstance;
+  tokenName?: string;
+  tokenPrefix?: string;
+  tokenHeader?: string;
+  tokenType?: string;
+  loginUrl?: string;
+  registerUrl?: string;
+  logoutUrl?: string;
+  storageType?: string;
+  storageNamespace?: string;
+  cookieStorage?: CookieStorageOptions;
+  requestDataKey?: string;
+  responseDataKey?: string;
+  withCredentials?: boolean;
+  providers: { [key: string]: ProviderOptions };
+}
+
+declare module "vue/types/vue" {
+  interface Vue {
+    $auth: VueAuthenticate;
+  }
+}
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