> For the complete documentation index, see [llms.txt](https://polkadot.novabloq.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://polkadot.novabloq.com/element-polkadot-api/actions/subscribe-to-balance-changes.md).

# Subscribe to Balance Changes

This action will subscribe to any balance changes and will trigger an event and a state that shows new wallet balance. 

## Setup

Only one parameter is needed, the address of the wallet you want to subscribe to.

### Action - Unsubscribe from Balance Changes

After subscribing you can of course unsubscribe by running this action and stop receiving events about balance changes.

### Event - Balance Changed

After subscribing, anytime the balance of given address changes, this event will be triggered.<br>

### State - New balance&#x20;

This state shows the new changed balance of the given address.

## Demo

Find a demo on the [polkadot api](https://bubble.io/page?type=page\&name=polkadot_api\&id=polkadotjs\&test_plugin=1639402639641x977692461648052200_current\&tab=tabs-1) page. See the workflow folder **Subscribe balance**

![](/files/CPaFlJdeq4AXiN7m1oiD)