Campayn is an email marketing service that allows users to create, share, and track email newsletters. Users can design emails from scratch or use one of Campayn's templates. Templates automatically adjust to the recipeint's device and software so that everything appears as intended. Users may also import and organize contact lists, create simple sign-up forms, and enable social sharing via buttons. Campayn's reporting tracks whether recipients open emails, click on links, or share received emails. The Campayn API allows users to retrieve and manage their contacts, contact lists, forms, and emails.