get https://api.similarweb.com/v1/website/{domain.com}/traffic-and-engagement/bounce-rate
Returns the bounce rate on desktop devices for a given domain.
Price: 1 hit per request
Historical data goes back 36 months, depending on your subscription.
To retrieve 'Last 28 days', remove the start_date & end_date parameters from the URL and set granularity to daily or weekly.