---
title: "OEMetadata v2.0 — FAIR Data metadata for a Datapoint (EU AI Act Art. 12)"
method: GET
path: "/api/datapoint/:name/oemetadata"
tags: ["Datapoints"]
---

# OEMetadata v2.0 — FAIR Data metadata for a Datapoint (EU AI Act Art. 12)

`GET /api/datapoint/:name/oemetadata`

## Request

- Base URL: `https://api.cernion.de`
- URL: `https://api.cernion.de/api/datapoint/:name/oemetadata`
- Auth: none declared

Returns a fully OEMetadata v2.0 conformant metadata document. Includes a SHA-256 cryptographic provenance hash (EU AI Act Art. 12), OEO semantic class mappings, spatial/temporal coverage, source licensing, and a Cernion-specific extension for agent interventions and scheduling state. Set ?validate=true to include a JSON-Schema validation report against the OEMetadata v2.0 schema (requires prior `npm run sync:oemetadata`).

## Path parameters

- `name` string, required

## Query parameters

- `validate` boolean
- `token` string

## Response `200`

Successful response

- object

---

[API](https://skmtc.dev/cernion/apis/cernion-energy-tools-api.md) · [All operations](https://skmtc.dev/cernion/apis/cernion-energy-tools-api/llms.txt) · [OpenAPI document](https://skmtc.dev/cernion/apis/cernion-energy-tools-api/revisions/cdb94473b538?raw)