API v1Stable major · additive within v1

Agent recipes

Contract-first REST for builders and agents. Same control plane as Fat Heron products — documented here for the developer surface.

Imperative playbooks for chat assistants and IDE agents. Prefer these over UI click-ops. Already have a key? Start at /docs/agents/http. Auth with X-API-Key against https://api.fatheron.dev. Full contract: openapi.json · Swagger. Machine index: /llms.txt. New? Human guides (less technical) or Get started.

Agent recipes · Fat Heron Developers