diff --git a/package.json b/package.json
index da2da89..ac4771a 100644
--- a/package.json
+++ b/package.json
@@ -1,9 +1,10 @@
 {
   "name": "smsc",
-  "version": "2.0.0",
+  "version": "2.0.1",
   "description": "Vodafone & SMSC.ru api",
   "type": "module",
   "main": "./src/index.js",
+  "types": "./types/index.d.ts",
   "exports": {
     ".": "./src/index.js"
   },
@@ -48,6 +49,7 @@
     "node": ">=18.0.0"
   },
   "files": [
-    "src"
+    "src",
+    "types"
   ]
 }
diff --git a/src/index.js b/src/index.js
index e22a50e..b7ae297 100644
--- a/src/index.js
+++ b/src/index.js
@@ -3,7 +3,16 @@ import { isProd } from '@nitra/isenv'
 
 const charset = 'utf-8'
 
-// Отправка CMC
+/**
+ * Отправка CMC
+ *
+ * @param {String} phones
+ * @param {String} message
+ * @param {String} sender
+ * @param {Number} distributionId
+ *
+ * @return {Promise<{cnt: number?,error_code:number? }>} результат отправки
+ */
 export const sendSms = async (phones, message, sender = null, distributionId = null) => {
   let data
 
@@ -132,7 +141,12 @@ const masks = {
   999: 'ru'
 }
 
-// получить страну по коду оператора из телефона
+/**
+ * Получить страну по коду оператора из телефона
+ *
+ * @param {String} phone
+ * @return {String} ua или ru
+ */
 export const getCountry = phone => {
   const mask = phone.slice(-10, -7)
   if (mask && masks[mask]) {
@@ -242,9 +256,8 @@ const sendFromSmsc = async (phones, message, sender) => {
       method: 'POST',
       body: params
     })
-    const data = await response.json()
 
-    return data
+    return response.json()
   } catch (err) {
     console.error(err)
     return err
diff --git a/types/index.d.ts b/types/index.d.ts
new file mode 100644
index 0000000..7f2f724
--- /dev/null
+++ b/types/index.d.ts
@@ -0,0 +1,5 @@
+export function sendSms(phones: string, message: string, sender?: string, distributionId?: number): Promise<{
+    cnt: number;
+    error_code: number | null;
+}>;
+export function getCountry(phone: string): string;
diff --git a/types/keyv.d.ts b/types/keyv.d.ts
new file mode 100644
index 0000000..130c22c
--- /dev/null
+++ b/types/keyv.d.ts
@@ -0,0 +1 @@
+export const keyv: any;