diff --git a/ifc2.d.ts b/ifc2.d.ts
new file mode 100644
index 0000000..6e9201a
--- /dev/null
+++ b/ifc2.d.ts
@@ -0,0 +1,73 @@
+/// <reference types="typescript" />
+
+import type { Socket } from 'net';
+
+export type IFData = string | number | boolean;
+
+export const name: 'IFC2';
+export const LE: true;
+export const enableLog: boolean;
+export const logLevel: number;
+export const keepAlive: boolean;
+export const doReconnect: boolean;
+export const timeout: number;
+export const isConnected: boolean;
+export const isWaiting: boolean;
+export const isPollWaiting: boolean;
+export const isCallback: boolean;
+
+export const INFO = 3;
+export const WARN = 2;
+export const ERROR = 1;
+export const MANDATORY = 0;
+
+export function on(event: string, listener: (...args: unknown[]) => void): void;
+export function getCommand(cmd: string): Uint8Array;
+export function setCommand<T extends IFData>(cmd: string, value: T): Uint8Array;
+export function get<T extends IFData>(
+    cmd: string,
+    callback?: (data: T) => void
+): void;
+export function set<T extends IFData>(cmd: string, value: T): void;
+export function run(cmd: string): void;
+export function manifestByName(): { [key: string]: ManifestNameItem };
+export function manifestByCommand(): { [key: string]: ManifestCommandItem };
+export function pollRegister<T extends IFData>(
+    cmd: string,
+    callback: (data: T) => void
+): void;
+export function pollDeregister(cmd: string): void;
+export function init(successCallback?: () => void, params?: InitInfo): void;
+export function close(callback: () => void): void;
+
+export enum DataType {
+    BOOLEAN = 0,
+    INTEGER = 1,
+    FLOAT = 2,
+    DOUBLE = 3,
+    STRING = 4,
+    LONG = 5,
+}
+
+export interface ManifestCommandItem {
+    name: string;
+    type: DataType;
+}
+
+export interface ManifestNameItem {
+    command: number;
+    type: DataType;
+}
+
+export interface InitInfo {
+    enableLog?: boolean;
+    logLevel?: number;
+    keepAlive?: boolean;
+    doReconnect?: boolean;
+    timeout?: number;
+    callback?: boolean;
+    infoCallback?: (info: unknown) => void;
+    pollThrottle?: number;
+    host?: string;
+    port?: number;
+}
diff --git a/package-lock.json b/package-lock.json
index 9dbd703..d67bc70 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,20 +1,30 @@
 {
   "name": "ifc2",
-  "version": "1.0.20",
+  "version": "1.1.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "ifc2",
-      "version": "1.0.20",
+      "version": "1.1.0",
       "license": "Apache 2",
       "dependencies": {
         "dgram": "^1.0.1",
         "events": "^3.3.0",
         "net": "^1.0.2",
         "stringview": "^2.1.1"
+      },
+      "devDependencies": {
+        "@types/node": "^18.7.21",
+        "typescript": "^4.8.3"
       }
     },
+    "node_modules/@types/node": {
+      "version": "18.7.21",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-18.7.21.tgz",
+      "integrity": "sha512-rLFzK5bhM0YPyCoTC8bolBjMk7bwnZ8qeZUBslBfjZQou2ssJdWslx9CZ8DGM+Dx7QXQiiTVZ/6QO6kwtHkZCA==",
+      "dev": true
+    },
     "node_modules/dgram": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/dgram/-/dgram-1.0.1.tgz",
@@ -38,9 +48,28 @@
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/stringview/-/stringview-2.1.1.tgz",
       "integrity": "sha512-hsaj+P//gLkAnYB6QUT5Kg/2T/ExTfNJUvKhRe980H8rRrXLlG4Q3U2EITbu4Ku1k/Aw/4MZHUUiNZVJtm63PQ=="
+    },
+    "node_modules/typescript": {
+      "version": "4.8.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.8.3.tgz",
+      "integrity": "sha512-goMHfm00nWPa8UvR/CPSvykqf6dVV8x/dp0c5mFTMTIu0u0FlGWRioyy7Nn0PGAdHxpJZnuO/ut+PpQ8UiHAig==",
+      "dev": true,
+      "bin": {
+        "tsc": "bin/tsc",
+        "tsserver": "bin/tsserver"
+      },
+      "engines": {
+        "node": ">=4.2.0"
+      }
     }
   },
   "dependencies": {
+    "@types/node": {
+      "version": "18.7.21",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-18.7.21.tgz",
+      "integrity": "sha512-rLFzK5bhM0YPyCoTC8bolBjMk7bwnZ8qeZUBslBfjZQou2ssJdWslx9CZ8DGM+Dx7QXQiiTVZ/6QO6kwtHkZCA==",
+      "dev": true
+    },
     "dgram": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/dgram/-/dgram-1.0.1.tgz",
@@ -60,6 +89,12 @@
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/stringview/-/stringview-2.1.1.tgz",
       "integrity": "sha512-hsaj+P//gLkAnYB6QUT5Kg/2T/ExTfNJUvKhRe980H8rRrXLlG4Q3U2EITbu4Ku1k/Aw/4MZHUUiNZVJtm63PQ=="
+    },
+    "typescript": {
+      "version": "4.8.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.8.3.tgz",
+      "integrity": "sha512-goMHfm00nWPa8UvR/CPSvykqf6dVV8x/dp0c5mFTMTIu0u0FlGWRioyy7Nn0PGAdHxpJZnuO/ut+PpQ8UiHAig==",
+      "dev": true
     }
   }
 }
diff --git a/package.json b/package.json
index cb9b4fe..281f398 100644
--- a/package.json
+++ b/package.json
@@ -1,8 +1,9 @@
 {
   "name": "ifc2",
-  "version": "1.0.22",
+  "version": "1.1.0",
   "description": "A Javascript client for Infinite Flight simulator API version 2",
   "main": "ifc2.js",
+  "types": "ifc2.d.ts",
   "repository": {
     "type": "git",
     "url": "https://github.com/likeablegeek/ifc2"
@@ -25,5 +26,9 @@
   "bugs": {
     "url": "https://github.com/likeablegeek/ifc2/issues"
   },
-  "homepage": "https://github.com/likeablegeek/ifc2"
+  "homepage": "https://github.com/likeablegeek/ifc2",
+  "devDependencies": {
+    "@types/node": "^18.7.21",
+    "typescript": "^4.8.3"
+  }
 }