Starling Bank referral code page. You can use the Starling referrals right here... and make sure you come back and share your own referral code or link in a free page. Follow other pages and invite friends to get even more clicks and potential rewards. If you're a super-fan, make sure you give them a thumbs-up recommendation to influence friends and others. Starling Bank provides a mobile banking application and a debit card that enable users to manage their finances.