diff --git a/lib/index.d.ts b/lib/index.d.ts
new file mode 100644
index 0000000..8f1534b
--- /dev/null
+++ b/lib/index.d.ts
@@ -0,0 +1,16 @@
+// Type definitions for react-geocode 0.2.1
+// Project: https://github.com/shukerullah/react-geocode/
+// Definitions by: Mike Pouncy <https://github.com/pouncyisdead>
+
+declare module 'react-geocode' {
+    const reactGeocode: {
+        setApiKey(apiKey: string): void;
+        setLanguage(language: string): void;
+        setRegion(region: string): void;
+        enableDebug(flag?: boolean): void;
+        fromLatLng(lat: string, lng: string, apiKey?: string, language?: string, region?: string): Promise<any>;
+        fromAddress(address: string, apiKey?: string, language?: string, region?: string): Promise<any>;
+    };
+
+    export = reactGeocode;
+}
\ No newline at end of file
diff --git a/package.json b/package.json
index c1665ec..137c778 100644
--- a/package.json
+++ b/package.json
@@ -3,6 +3,7 @@
   "version": "0.2.1",
   "description": "A module to transform a description of a location (i.e. street address, town name, etc.) into geographic coordinates (i.e. latitude and longitude) and vice versa.",
   "main": "./lib/index.js",
+  "types": "./lib/index.d.ts",
   "repository": {
     "type": "git",
     "url": "git+https://github.com/shukerullah/react-geocode.git"
diff --git a/src/index.js b/src/index.js
index c4f61f6..695f669 100644
--- a/src/index.js
+++ b/src/index.js
@@ -4,12 +4,22 @@
  * @package react-geocode
  * @author  Pir Shukarulalh Shah <shuker_rashdi@hotmail.com>  (http://www.shukarullah.com)
  */
+
+/** @type {boolean | null} */
 let DEBUG = false;
+/** @type {string | null} */
 let API_KEY = null;
+/** @type {string | null} */
 let LANGUAGE = "en";
+/** @type {string | number | boolean | null} */
 let REGION = null;
+/** @type {string | null} */
 const GOOGLE_API = "https://maps.google.com/maps/api/geocode/json";
 
+/**
+ * @param {string} message
+ * @param {boolean} warn
+ */
 function log(message, warn = false) {
   if (DEBUG) {
     if (warn) {
@@ -20,6 +30,10 @@ function log(message, warn = false) {
   }
 }
 
+/**
+ * @param {RequestInfo} url
+ * @returns {Promise<any>}
+ */
 async function handleUrl(url) {
   const response = await fetch(url).catch(() =>
     Promise.reject(new Error("Error fetching data"))
@@ -45,7 +59,7 @@ async function handleUrl(url) {
   );
 }
 
-export default {
+const reactGeocode = {
   /**
    *
    *
@@ -89,8 +103,8 @@ export default {
    * @param {string} lng
    * @param {string} [apiKey]
    * @param {string} [language]
-   * @param {string} [region]
-   * @returns {Promise}
+   * @param {string | null} [region]
+   * @returns {Promise<any>}
    */
   async fromLatLng(lat, lng, apiKey, language, region) {
     if (!lat || !lng) {
@@ -113,6 +127,7 @@ export default {
 
     if (region || REGION) {
       REGION = region || REGION;
+      // @ts-ignore
       url += `&region=${encodeURIComponent(REGION)}`;
     }
 
@@ -125,8 +140,8 @@ export default {
    * @param {string} address
    * @param {string} [apiKey]
    * @param {string} [language]
-   * @param {string} [region]
-   * @returns {Promise}
+   * @param {string | null} [region]
+   * @returns {Promise<any>}
    */
   async fromAddress(address, apiKey, language, region) {
     if (!address) {
@@ -148,9 +163,12 @@ export default {
 
     if (region || REGION) {
       REGION = region || REGION;
+      // @ts-ignore
       url += `&region=${encodeURIComponent(REGION)}`;
     }
 
     return handleUrl(url);
   }
 };
+
+export default reactGeocode;
diff --git a/tsconfig.json b/tsconfig.json
new file mode 100644
index 0000000..4c41a2e
--- /dev/null
+++ b/tsconfig.json
@@ -0,0 +1,15 @@
+{
+  "compilerOptions": {                       /* Enable incremental compilation */
+    "target": "ES5"                          /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019' or 'ESNEXT'. */,
+    "module": "commonjs"                     /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */,
+    "lib": [ "ES2015", "DOM" ]               /* Specify library files to be included in the compilation. */,
+    "allowJs": true                          /* Allow javascript files to be compiled. */,
+    "checkJs": true                          /* Report errors in .js files. */,
+    "declaration": true                      /* Generates corresponding '.d.ts' file. */,
+    "noEmit": false                           /* Do not emit outputs. */,
+    "strict": true                           /* Enable all strict type-checking options. */,
+    "esModuleInterop": true                  /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */,
+    "forceConsistentCasingInFileNames": true /* Disallow inconsistently-cased references to the same file. */,
+    "outDir": "lib/"
+  }
+}