---
title: "KYE™ Developers — Schemas"
description: "Versioned. Public. JSON Schema 2020-12."
url: https://kyeprotocol.com/developers/schemas/
lang: en
source: "KYE Protocol"
---

# Schema catalogue

Versioned. Public. JSON Schema 2020-12.

[Quickstart →](https://kyeprotocol.com/developers/quickstart/) [API reference](https://kyeprotocol.com/developers/api/)

1165 JSON Schema 2020-12 contracts. Every schema has at least one example payload.

Plain Q&A

## Plain Q&A

Short questions. Short answers.

- **What is KYE™?** A protocol for AI governance.
- **What does the SDK do?** It signs every call. It verifies every reply.
- **Which language?** TypeScript, Python, or Go.
- **Do I need a key?** Yes. You keep it.
- **Free to use?** Yes. Apache 2.0.
- **Sandbox tokens?** Free. One click.
- **Pilot tokens?** Free for 30 days.
- **Do you log my data?** No. Not ever.

| schema\_id | title | family | $id | example |
| --- | --- | --- | --- | --- |

Canonical KYE™ surfaces referenced on this page: [KYE Protocol™](https://kyeprotocol.com/).