This is the Service Quality Management REST API Specification. As the Digital Economy emerges, the Digital Service Providers, Consumers and Developers are striving to take advantage of Open Digital Eco-system to create, manage and support new Digital Services. In this context, the ability to deliver consistent digital services experience across the Eco-system between different enterprises is considered table-stakes. This focus on digital service delivery and quality has positioned Service Quality Management at the center of Digital Operations. Gathering data from multiple and heterogeneous data sources across the eco-system, combining them into meaningful service quality metrics is the core activity of a Service Quality Management application to assess the quality as perceived by the consumer.