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

# Touchstone

Touchstone: 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/touchstone/feed.md

- [Touchstone API](https://skmtc.dev/touchstone/apis/touchstone-api.md): Audit: tamper-evident signed event logs, checkpoints, disclosures and recorder key management for AI agents