API Reference
Technical references for building on Elysium. Choose the API you need to get started.
Plugin API
Complete reference for the Elysium plugin system—lifecycle hooks, commands, views, and schedule access.
Shortcuts Integration
Build Apple Shortcuts actions that interact with Elysium schedules and expose plugin functionality.
OpenTime Specification
The complete technical specification for the OpenTime format—item types, fields, and validation.
JSON Schema
Machine-readable schema for validating OpenTime files programmatically.