# Socket.IO Websockets

Implement Socket.IO client on your platform and listen to this URL:

Production - **<https://api.sensepass.com?id=id\\_\\>\<Device\_Id>**

Sandbox - **<https://api.sandbox.sensepass.com?id=id\\_\\>\<Device\_Id>**

Listen to "message" event to get notifcations about the transaction for a specific device.

Read here about Socket.IO: [https://socket.io/docs/](https://socket.io/docs/v4/)