diff --git a/types/npm-list-author-packages/index.d.ts b/types/npm-list-author-packages/index.d.ts
new file mode 100644
index 0000000000..d482c7f514
--- /dev/null
+++ b/types/npm-list-author-packages/index.d.ts
@@ -0,0 +1,25 @@
+// Type definitions for npm-list-author-packages 2.0
+// Project: https://github.com/kgryte/npm-list-author-packages#readme
+// Definitions by: Florian Keller <https://github.com/ffflorian>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+declare namespace list {
+    interface Options {
+        /** registry port. Default: 443 (HTTPS) or 80 (HTTP). */
+        port?: 443 | 80;
+        /** registry protocol. Default: 'https'. */
+        protocol?: 'http' | 'https';
+        /** registry. Default: 'registry.npmjs.org'. */
+        registry?: string;
+        /** author username (required). */
+        username: string;
+    }
+
+    type Callback = (error: Error | null, data: string[]) => void;
+
+    function factory(opts: Options, callback: Callback): () => void;
+}
+
+declare function list(opts: list.Options, callback: list.Callback): void;
+
+export = list;
diff --git a/types/npm-list-author-packages/npm-list-author-packages-tests.ts b/types/npm-list-author-packages/npm-list-author-packages-tests.ts
new file mode 100644
index 0000000000..4f2d08d778
--- /dev/null
+++ b/types/npm-list-author-packages/npm-list-author-packages-tests.ts
@@ -0,0 +1,18 @@
+import list = require('npm-list-author-packages');
+
+const opts: list.Options = {
+    port: 80,
+    protocol: 'http',
+    registry: 'my.favorite.npm/registry',
+    username: 'kgryte',
+};
+
+list(opts, (error, data) => {
+    data; // $ExpectType string[]
+});
+
+const get = list.factory({ username: 'kgryte' }, (error, data) => {
+    data; // $ExpectType string[]
+});
+
+get();
diff --git a/types/npm-list-author-packages/tsconfig.json b/types/npm-list-author-packages/tsconfig.json
new file mode 100644
index 0000000000..e05e42ead0
--- /dev/null
+++ b/types/npm-list-author-packages/tsconfig.json
@@ -0,0 +1,23 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictFunctionTypes": true,
+        "strictNullChecks": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "npm-list-author-packages-tests.ts"
+    ]
+}
diff --git a/types/npm-list-author-packages/tslint.json b/types/npm-list-author-packages/tslint.json
new file mode 100644
index 0000000000..3db14f85ea
--- /dev/null
+++ b/types/npm-list-author-packages/tslint.json
@@ -0,0 +1 @@
+{ "extends": "dtslint/dt.json" }