diff --git a/global.d.ts b/global.d.ts
new file mode 100644
index 0000000..f0ae398
--- /dev/null
+++ b/global.d.ts
@@ -0,0 +1,87 @@
+declare module "@meting/core" {
+    export {};
+    export type Platform = "netease" | "tencent" | "kugou" | "baidu" | "kuwo";
+
+    export default class Meting {
+        constructor(server?: Platform);
+
+        readonly VERSION: string;
+        /**
+         * raw response
+         */
+        readonly raw: string;
+        /**
+         * response information
+         */
+        readonly info: Readonly<{ statusCode: number; headers: Readonly<Record<string, string>> }>;
+        /**
+         * error code
+         */
+        readonly error: string;
+        /**
+         * error message
+         */
+        readonly status: string;
+        /**
+         * request headers
+         */
+        readonly header: Readonly<Record<string, string>>;
+        readonly server: Platform;
+        readonly provider: unknown;
+        readonly isFormat: boolean;
+
+        site(server: Platform): this;
+        cookie(cookie: string): this;
+        format(enable: boolean): this;
+
+        search(keyword: string, option?: SearchOption): Promise<string>;
+        song(id: string): Promise<string>;
+        album(id: string): Promise<string>;
+        artist(id: string, limit?: number): Promise<string>;
+        playlist(id: string): Promise<string>;
+        url(id: string, bitrate?: number): Promise<string>;
+        lyric(id: string): Promise<string>;
+        pic(id: string, size?: number): Promise<string>;
+
+        static getSupportedPlatforms(): Platform[];
+        static isSupported(server: string): boolean;
+    }
+
+    interface SearchOption {
+        page?: number;
+        limit?: number;
+        type?: number;
+    }
+
+    export interface FormattedSong {
+        id: string;
+        name: string;
+        artist: string[];
+        album: string;
+        pic_id: string;
+        url_id: string;
+        lyric_id: string;
+        source: Platform;
+    }
+
+    export interface FormattedLyric {
+        lyric: string;
+        tlyric: string;
+    }
+
+    export type FormattedUrl =
+        & { size?: number }
+        & (
+            {
+                url: "";
+                br: -1;
+            } | {
+                url: string;
+                br: number;
+            }
+        );
+
+    export interface FormattedPic {
+        url: string;
+    }
+}
diff --git a/package.json b/package.json
index c54bb1a..d322af6 100644
--- a/package.json
+++ b/package.json
@@ -7,10 +7,12 @@
   "type": "module",
   "exports": {
     "import": "./lib/meting.esm.js",
+    "types": "./global.d.ts",
     "require": "./lib/meting.js"
   },
   "files": [
     "lib/",
+    "global.d.ts",
     "LICENSE"
   ],
   "scripts": {