---
summary: 'Authoritative lists: the API and the X-ScaiLine header.'
order: 6
title: Reference
path: reference
status: published
---

# Reference

* [API](reference/api): the `/v1` control-plane and render endpoints, authentication and
  conventions.
* [X-ScaiLine header](reference/x-scailine-header): the one header every processed message
  carries, and how to read it.