diff --git a/CHANGELOG.md b/CHANGELOG.md
index f0d7ec66..d294ed1b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [0.7.0](https://www.github.com/netlify/functions-js/compare/v0.6.0...v0.7.0) (2021-04-14)
+
+
+### Features
+
+* add type to builder wrapper ([#48](https://www.github.com/netlify/functions-js/issues/48)) ([0af5b04](https://www.github.com/netlify/functions-js/commit/0af5b04c2b1241f64a56394317371a08781e881d))
+
 ## [0.6.0](https://www.github.com/netlify/functions-js/compare/v0.5.0...v0.6.0) (2021-04-12)
 
 
diff --git a/README.md b/README.md
index cf0e632a..52d3b4a9 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@
 [![Coverage Status](https://codecov.io/gh/netlify/functions-js/branch/main/graph/badge.svg)](https://codecov.io/gh/netlify/functions-js)
 [![Node](https://img.shields.io/node/v/@netlify/functions.svg?logo=node.js)](https://www.npmjs.com/package/@netlify/functions)
 
-JavaScript utilities for Netlify Functions.
+Development utilities for Netlify Functions.
 
 ## Installation
 
@@ -14,10 +14,12 @@ npm install @netlify/functions
 
 ## Usage
 
-### Builder Functions
+### On-demand Builders
+
+To use On-demand Builders, wrap your function handler with the `builder` function.
 
 ```js
-const { builderFunction } = require('@netlify/functions')
+const { builder } = require('@netlify/functions')
 
 const handler = async (event, context) => {
   return {
@@ -26,9 +28,34 @@ const handler = async (event, context) => {
   }
 }
 
-exports.handler = builderFunction(handler)
+exports.handler = builder(handler)
 ```
 
+### TypeScript typings
+
+This module exports typings for authoring Netlify Functions in TypeScript.
+
+```ts
+import { Handler } from '@netlify/functions'
+
+const handler: Handler = async (event, context) => {
+  return {
+    statusCode: 200,
+    body: JSON.stringify({ message: "Hello World" })
+  }
+}
+
+export { handler }
+```
+
+The following types are exported:
+
+- `Handler`
+- `HandlerCallback`
+- `HandlerContext`
+- `HandlerEvent`
+- `HandlerResponse`
+
 ## Contributors
 
 Please see [CONTRIBUTING.md](./CONTRIBUTING.md) for instructions on how to set up and work on this repository. Thanks
diff --git a/package-lock.json b/package-lock.json
index 1fa234fc..7daa00d7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "@netlify/functions",
-  "version": "0.6.0",
+  "version": "0.7.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
diff --git a/package.json b/package.json
index 52128ac5..e4ab0048 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "@netlify/functions",
   "main": "./src/main.js",
   "types": "./src/main.d.ts",
-  "version": "0.6.0",
+  "version": "0.7.0",
   "description": "JavaScript utilities for Netlify Functions",
   "files": [
     "src/**/*.js",
diff --git a/src/lib/builder.ts b/src/lib/builder.ts
new file mode 100644
index 00000000..7493156c
--- /dev/null
+++ b/src/lib/builder.ts
@@ -0,0 +1,7 @@
+import { Handler } from '../function/handler'
+
+export interface Builder {
+  (handler: Handler): Handler
+}
+
+export declare const builder: Builder
diff --git a/src/main.d.ts b/src/main.d.ts
index d14af30e..8d0a8a5a 100644
--- a/src/main.d.ts
+++ b/src/main.d.ts
@@ -1 +1,2 @@
+export * from './lib/builder'
 export * from './function'