How to add an integration to Woocommerce v5.x

Login to the admin screen for your WooCommerce store.
Select WooCommerce > Settings > Advanced > API tab. Check the "Enable the REST API" checkbox. Click "Save" to save changes.
Stay on the API tab, and go to Keys/Apps section by clicking on Keys/Apps link.
Click on "Add Key" Button.
Fill the description field, select the user for whom keys needs to be generated, select level of access as 'Read/Write'
Click the "Generate API Key" button.
Note the Consumer Key and Consumer Secret Generated.
Enter the base URL for your WordPress installation, copy the Consumer Key, and copy the Consumer Secret in the fields below: