---
title: "Offline energy-label sample (no key)"
method: GET
path: "/v1/demo/energimaerke"
---

# Offline energy-label sample (no key)

`GET /v1/demo/energimaerke`

## Request

- Base URL: `https://api.grundfast.dk`
- URL: `https://api.grundfast.dk/v1/demo/energimaerke`
- Auth: none required

## Response `200`

OK

- Energimaerke
  - `bfe_nummer` number, nullable, required
  - `label` object, required
    - `serial` string, nullable, required
    - `klasse` string, nullable, required
    - `gyldig_til` string, nullable, required
    - `udstedt` string, nullable, required
    - `bygning_bbr_uuid` string, nullable, required
  - `bygning` object, required
    - `opfoert_aar` number, nullable, required
    - `renoveret_aar` number, nullable, required
    - `anvendelseskode` number, nullable, required
    - `bolig_areal_m2` number, nullable, required
    - `erhverv_areal_m2` number, nullable, required
  - `vinduer` object[], required
    - `beskrivelse` string, nullable, required
    - `lang_beskrivelse` string, nullable, required
    - `antal` number, nullable, required
    - `aar` number, nullable, required
    - `u_vaerdi` number, nullable, required
    - `rude_type` string, nullable, required
    - `areal_m2` number, nullable, required
  - `forbedringsforslag` object[], required
    - `beskrivelse` string, required
    - `aarlig_besparelse_kr` number, nullable, required
    - `investering_kr` number, nullable, required
  - `meta` object, required
    - `kilde` string, required
    - `grundfast_version` string, required

## Other responses

- `404`: Error

---

[API](https://skmtc.dev/grundfast/apis/grundfast-api.md) · [All operations](https://skmtc.dev/grundfast/apis/grundfast-api/llms.txt) · [OpenAPI document](https://skmtc.dev/grundfast/apis/grundfast-api/revisions/ccef6e299bb5?raw)