API Reference
Every endpoint the engine exposes: REST for managing Steps and Flows, plus the WebSocket protocol for live event streaming with state projection and per-aggregate filtering.
Engine API
Every REST endpoint the engine exposes, with request and response shapes: register/update/delete Steps, start and query Flows, preview execution plans, check step health, and post async webhook completions.
WebSocket API
Subscribe to live events for the catalog, the cluster, or any specific Flow. Includes the subscription protocol, the full event-type catalog, and how include_state delivers the projected state before live events.