interface that connects prompts, models, and external services. Dify allows users to integrate different language models, connect external data sources, and incorporate retrieval-augmented generation pipelines to supply context from documents or databases. The platform also provides functions for monitoring application behavior, testing prompts, and managing application logic during deployment and operation. Dify includes backend services and APIs that enable integration of AI capabilities into other software products. The system supports plugins and external tools, allowing applications to access APIs, datasets, and other services while coordinating tasks across multiple AI components within structured workflows.