diff --git a/qs/qs-tests.ts b/qs/qs-tests.ts
new file mode 100644
index 0000000000..04be4f266b
--- /dev/null
+++ b/qs/qs-tests.ts
@@ -0,0 +1,9 @@
+/// <reference path="./qs.d.ts" />
+
+import qs = require('qs');
+
+qs.stringify({ a: 'b' });
+qs.stringify({ a: 'b', c: 'd' }, { delimiter: '&' });
+
+qs.parse('a=b');
+qs.parse('a=b&c=d', { delimiter: '&' });
diff --git a/qs/qs.d.ts b/qs/qs.d.ts
new file mode 100644
index 0000000000..eea44a749c
--- /dev/null
+++ b/qs/qs.d.ts
@@ -0,0 +1,35 @@
+// Type definitions for qs
+// Project: https://github.com/hapijs/qs
+// Definitions by: Roman Korneev <https://github.com/RWander>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+declare module QueryString {
+    interface IStringifyOptions {
+        delimiter?: string;
+        strictNullHandling?: boolean;
+        skipNulls?: boolean;
+        encode?: boolean;
+        filter?: any;
+        arrayFormat?: any;
+        indices?: string;
+    }
+
+    interface IParseOptions {
+        delimiter?: string;
+        depth?: number;
+        arrayLimit?: number;
+        parseArrays?: boolean;
+        allowDots?: boolean;
+        plainObjects?: boolean;
+        allowPrototypes?: boolean;
+        parameterLimit?: number;
+        strictNullHandling?: boolean;
+    }
+
+    export function stringify(obj: any, options?: IStringifyOptions): string;
+    export function parse(str: string, options?: IParseOptions): any;
+}
+
+declare module "qs" {
+	export = QueryString;
+}