App fetch data from your website via REST API, so you need genete a API key to app can authentication

News app you can skip this step

To create the REST API keys, go to WooCommerce > Settings > Advanced => REST API.

Generating API keys.

Click the “Add Key” button.

Click to Generate API key button

Copy and save it secret becuase you can’t copy it any more if you leave the page.

Consumer Key & Secret will be used to configure in the the app in step Update rest API key.