---
title: "HASH (@hashintel)"
description: "Open source, self-building AI database"
account: "hashintel"
---

# HASH

Open source, self-building AI database

## 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/hashintel/feed.md

- [graph](https://skmtc.dev/hashintel/apis/graph.md): Structured data: create entities, define data and property types, manage actors and permissions
