Lemon opens its Lemonade developer platformLemon announced Lemonade, offering developers APIs for wallet add-ons and notifications, plus a visual tool for creating membership cards, coupons and event invitations.TIBBIR UNIVERSE THIS IS TIBBIR How to get TIBBIR Ribbit in numbers Connected clues Account archive Bridge & contracts On-chain research Connections Community The story Reading room Network map Timeline Findings Source library Conversations People & companies Open questions Export & reuse