diff --git a/README.md b/README.md
index 5c78a64..033adcd 100644
--- a/README.md
+++ b/README.md
@@ -3,4 +3,23 @@
 Generate signed urls for [Signway](https://github.com/gabotechs/signway), so that they can be
 used in client-side code.
 
+# Install
 
+```shell
+pip install signway-sdk
+```
+
+# Usage
+
+```shell
+from signway_sdk import sign_url
+
+sign_url(
+    id="my-id",
+    secret="my-secret",
+    host="https://api.signway.io",
+    proxy_url="https://api.openai.com/v1/chat/completions",
+    expiry=10,
+    method="POST"
+)
+```