---
title: "EU AI Act Article 53 attestation"
method: GET
path: "/eu-ai-act-article-53-attestation"
tags: ["Compliance"]
---

# EU AI Act Article 53 attestation

`GET /eu-ai-act-article-53-attestation`

## Request

- Base URL: `https://api.opedd.com`
- URL: `https://api.opedd.com/eu-ai-act-article-53-attestation`
- Auth: one of:
  - HTTP bearer
  - HTTP bearer

A signed attestation (JWT) summarising how one of your licences was used over a window (`window_start`, `window_end`), for general-purpose AI model providers documenting training content. Every call returns a fresh token. Credential: your buyer account session, or a buyer API key with the `audit` scope.

## Query parameters

- `license_id` string, uuid, required
- `content_id` string, uuid
- `window_start` string, date-time
- `window_end` string, date-time

## Response `200`

Signed JWT + decoded claims + verification metadata

## Other responses

- `400`: Missing license_id OR malformed UUID OR window > 365 days OR window_end <= window_start
- `401`: Missing or invalid credential
- `403`: No buyer account for this sign-in, or the key does not carry the `audit` scope
- `404`: License not found OR not owned by authenticating buyer (cases collapsed to avoid leaking existence)
- `429`: Rate limit exceeded (30 req/min per buyer)
- `503`: Signing is unavailable right now. Retry.

---

[API](https://skmtc.dev/opedd/apis/opedd-api.md) · [All operations](https://skmtc.dev/opedd/apis/opedd-api/llms.txt) · [OpenAPI document](https://skmtc.dev/opedd/apis/opedd-api/revisions/a33336810cf0?raw)