The Zendesk C# SDK by Elizabeth Schneider allows interaction with the API features of support for businesses, mainly in the form of tickets. On GitHub, developers can find ways to create a ticket, get tickets, and upload an attachment to a ticket. Connect to developer for upcoming API changes.
Stubhub, an online platform where users can buy and sell tickets, has just released its RESTful Stubhub APIs so developers can create applications to track inventory, retrieve event listings and more. Our directory lists 30 APIs related to tickets and some 150 APIs connected to events. Few are sellers bazaars like Stubhub, of course. But it's a thriving space.