Devii is a sophisticated API management platform that rapidly generates GraphQL APIs tailored for SQL databases, streamlining the backend development tasks for programmers. The platform automatically creates schema-driven APIs equipped with CRUD capabilities, which facilitate seamless data retrieval and manipulation. To ensure data security, Devii incorporates advanced policy-based access control (PBAC) systems, allowing for the protection of sensitive information without the need for intricate configurations, thereby guaranteeing that only authorized individuals can access designated resources. It is compatible with a variety of SQL databases such as MySQL, PostgreSQL, and Oracle, providing developers with a unified GraphQL interface to handle all database operations. Additionally, Devii boasts a wide range of process rules that enhance its functionality, including features for email sending, PDF creation, image handling, and payment processing, positioning it as a holistic solution for software development. The platform also includes analytical tools for assessing API performance, monitoring usage patterns, and pinpointing inefficient queries, ultimately aiding developers in optimizing their applications. With its comprehensive features, Devii not only simplifies the API creation process but also empowers developers to create more efficient and secure applications.