diff --git a/user-device-info/README.md b/user-device-info/README.md
new file mode 100644
index 00000000..6a375927
--- /dev/null
+++ b/user-device-info/README.md
@@ -0,0 +1,49 @@
+# User Device Info
+
+## User Device Info object
+
+```json
+{
+  "userId": "String",
+  "deviceType": "String"
+}
+```
+
+## **Requests**
+
+|                    Route                     |          Description           |
+| :------------------------------------------: | :----------------------------: |
+| [POST /userDeviceInfo](#post-userDeviceInfo) | Stores user id and device type |
+
+## **POST /userDeviceInfo**
+
+Stores user id and device type
+
+- **Params**  
+  None
+- **Query**  
+  None
+- **Headers**  
+  Content-Type: application/json
+- **Body** `{ <userDeviceInfo_object> }`
+- **Success Response:**
+- **Code:** 200
+
+  - **Content:**
+    ```json
+    {
+      "message": "User Device Info stored successfully!",
+      "userDeviceInfo": "<userDeviceInfo_object>"
+    }
+    ```
+
+- **Error Response:**
+  - **Code:** 500
+    - **Content:**
+      ```json
+      {
+        "statusCode": 500,
+        "error": "Internal Server Error",
+        "message": "An internal server error occurred"
+      }
+      ```