diff --git a/types/braintree__sanitize-url/braintree__sanitize-url-tests.ts b/types/braintree__sanitize-url/braintree__sanitize-url-tests.ts
new file mode 100644
index 0000000000..104adaad48
--- /dev/null
+++ b/types/braintree__sanitize-url/braintree__sanitize-url-tests.ts
@@ -0,0 +1,3 @@
+import * as sanitizeUrl from "braintree__sanitize-url";
+
+sanitizeUrl.sanitizeUrl(""); // $ExpectType string
diff --git a/types/braintree__sanitize-url/index.d.ts b/types/braintree__sanitize-url/index.d.ts
new file mode 100644
index 0000000000..ce1db18f94
--- /dev/null
+++ b/types/braintree__sanitize-url/index.d.ts
@@ -0,0 +1,6 @@
+// Type definitions for @braintree/sanitize-url 4.0
+// Project: https://github.com/braintree/sanitize-url#readme
+// Definitions by: Krzysztof Żuraw <https://github.com/krzysztofzuraw>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+export function sanitizeUrl(url: string): string;
diff --git a/types/braintree__sanitize-url/tsconfig.json b/types/braintree__sanitize-url/tsconfig.json
new file mode 100644
index 0000000000..49aaf50baf
--- /dev/null
+++ b/types/braintree__sanitize-url/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",
+        "braintree__sanitize-url-tests.ts"
+    ]
+}
diff --git a/types/braintree__sanitize-url/tslint.json b/types/braintree__sanitize-url/tslint.json
new file mode 100644
index 0000000000..3db14f85ea
--- /dev/null
+++ b/types/braintree__sanitize-url/tslint.json
@@ -0,0 +1 @@
+{ "extends": "dtslint/dt.json" }