---
title: "Etch (@etch)"
description: "Etch: API listing imported from its public OpenAPI spec."
account: "etch"
---

# Etch

Etch: API listing imported from its public OpenAPI spec.

## APIs

1 public API with a stored document.
Each links to its markdown overview; the same address with
`/llms.txt` in place of `.md` lists its operations.
Changes across these APIs: https://skmtc.dev/etch/feed.md

- [Etch public API](https://skmtc.dev/etch/apis/etch-public-api.md): Audit: signed, offline-verifiable logs of AI agent decisions, with portable agent identity and delegation