Zendesk is a customer service software platform that enables businesses to provide customer support across various channels, including email, chat, phone, and social media. It offers a range of products that can be tailored to the specific needs of businesses of all sizes, from small startups to large enterprises. Zendesk provides tools for customer support agents to manage customer inquiries, track customer interactions and preferences, and respond to customer issues in a timely and effective manner. The platform also offers advanced analytics and reporting features, which enable businesses to track customer satisfaction levels and improve their customer service processes over time. Overall, Zendesk is designed to help businesses build better relationships with their customers by providing efficient and effective customer support.