diff --git a/types/hyper-aws4/hyper-aws4-tests.ts b/types/hyper-aws4/hyper-aws4-tests.ts
new file mode 100644
index 0000000000..14caa34a9f
--- /dev/null
+++ b/types/hyper-aws4/hyper-aws4-tests.ts
@@ -0,0 +1,12 @@
+import { sign, Request } from "hyper-aws4";
+
+const signOption: Request = {
+    url: "https://us-west-1.hyper.sh/version",
+    method: "GET",
+    credential: {
+        accessKey: "6DPLADBPWYXDUVXLX34EJXBL",
+        secretKey: "2ldD1Yz0nzATl9vvagBwYTjglXBjVOWU8gV8aMm5"
+    }
+};
+
+sign(signOption);
diff --git a/types/hyper-aws4/index.d.ts b/types/hyper-aws4/index.d.ts
new file mode 100644
index 0000000000..bf2a0fafa8
--- /dev/null
+++ b/types/hyper-aws4/index.d.ts
@@ -0,0 +1,25 @@
+// Type definitions for hyper-aws4 1.1
+// Project: https://github.com/Tim-Zhang/hyper-aws4#readme
+// Definitions by: BamButz <https://github.com/bambutz>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+export interface Credentials {
+    accessKey: string;
+    secretKey: string;
+}
+
+export interface Header {
+    [header: string]: string;
+}
+
+export type HttpMethods = "GET" | "POST" | "PUT" | "DELETE" | "PATCH";
+
+export interface Request {
+    url: string;
+    method?: HttpMethods;
+    body?: string;
+    headers?: Header;
+    credential?: Credentials;
+}
+
+export function sign(request: Request, credential?: Credentials): Header;
diff --git a/types/hyper-aws4/tsconfig.json b/types/hyper-aws4/tsconfig.json
new file mode 100644
index 0000000000..6df2d811c1
--- /dev/null
+++ b/types/hyper-aws4/tsconfig.json
@@ -0,0 +1,23 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true,
+        "strictFunctionTypes": true
+    },
+    "files": [
+        "index.d.ts",
+        "hyper-aws4-tests.ts"
+    ]
+}
diff --git a/types/hyper-aws4/tslint.json b/types/hyper-aws4/tslint.json
new file mode 100644
index 0000000000..3db14f85ea
--- /dev/null
+++ b/types/hyper-aws4/tslint.json
@@ -0,0 +1 @@
+{ "extends": "dtslint/dt.json" }