Apache Zeppelin REST API

The Zeppelin REST API provides HTTP endpoints for managing notebooks, notes, paragraphs, interpreters, and credentials. Key endpoints include: GET/POST /api/notebook for notebook CRUD, GET/POST /api/notebook/{noteId}/paragraph for paragraph management, POST /api/notebook/job/{noteId} for running all paragraphs, GET /api/interpreter/setting for interpreter listing, and POST /api/interpreter/setting/restart for restarting interpreters. Returns JSON responses with status codes.