diff --git a/types/proxy-from-env/index.d.ts b/types/proxy-from-env/index.d.ts
new file mode 100644
index 0000000000..25746c2246
--- /dev/null
+++ b/types/proxy-from-env/index.d.ts
@@ -0,0 +1,13 @@
+// Type definitions for proxy-from-env 1.0
+// Project: https://github.com/Rob--W/proxy-from-env#readme
+// Definitions by: JasonHK <https://github.com/JasonHK>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+/**
+ * Takes an input URL and returns the desired proxy URL. If no proxy is set, an
+ * empty string is returned.
+ * @param url The URL
+ * @returns The URL of the proxy that should handle the request to the given
+ *          URL.
+ */
+export function getProxyForUrl(url: string): string;
diff --git a/types/proxy-from-env/proxy-from-env-tests.ts b/types/proxy-from-env/proxy-from-env-tests.ts
new file mode 100644
index 0000000000..774f0d862a
--- /dev/null
+++ b/types/proxy-from-env/proxy-from-env-tests.ts
@@ -0,0 +1,4 @@
+import { getProxyForUrl } from "proxy-from-env";
+
+// $ExpectType string
+getProxyForUrl("http://microsoft.github.io/TypeSearch/");
diff --git a/types/proxy-from-env/tsconfig.json b/types/proxy-from-env/tsconfig.json
new file mode 100644
index 0000000000..7516540969
--- /dev/null
+++ b/types/proxy-from-env/tsconfig.json
@@ -0,0 +1,23 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": true,
+        "strictFunctionTypes": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "proxy-from-env-tests.ts"
+    ]
+}
diff --git a/types/proxy-from-env/tslint.json b/types/proxy-from-env/tslint.json
new file mode 100644
index 0000000000..3db14f85ea
--- /dev/null
+++ b/types/proxy-from-env/tslint.json
@@ -0,0 +1 @@
+{ "extends": "dtslint/dt.json" }