Start here
The Quickstart is the fastest path in: what you can do today, the API keys you need, and the core concepts, one by one. Then authenticate and build.
Start here
The Quickstart is the fastest path in: what you can do today, the API keys you need, and the core concepts, one by one. Then authenticate and build.
Author in the browser
The browser editor and the Chat agent build and wire your graph: add nodes, connect typed ports, and validate that the pieces fit before any code exists.
The concepts
The graph model explains nodes, typed ports, edges, and branches; the h2o spec is the canonical format they all derive from.
API reference
The v1 API is the programmatic surface for graph operations, generated from the live OpenAPI spec.