Once you have access to your Deliverect account, go to the "locations" tab and press "Authorize Kounta":
You will be asked to create a profile name for the integration, this can be anything you want, then click "Authorize":

You will be redirected to your Lightspeed/Kounta account where you will need to log in and grant access:

If done successfully you should be redirected back to Deliverect where a green pop up will read "Authentication token created successfully":

Once this is done please let your onboarding account manager know so you can proceed to next steps for the integration which involves syncing products and building the menu for your delivery platforms.