> For the complete documentation index, see [llms.txt](https://docs.validationcloud.io/v1/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.validationcloud.io/v1/ethereum/beacon-api/eth-v1-beacon-headers-block_id.md).

# /eth/v1/beacon/headers/{block\_id}

Get block headers

{% openapi src="/files/kdD9WKmVh9WLY1ZXIdho" path="/eth/v1/beacon/headers/{block\_id}" method="get" expanded="true" %}
[beacon-node-oapi-v2.json](https://1292504766-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FF3uvE671dWWOTAu9svnI%2Fuploads%2FrtyUK6xjapMNvXMd8A3e%2Fbeacon-node-oapi-v2.json?alt=media\&token=050b5b4d-8f0b-4a47-81b7-b2a07252a5e1)
{% endopenapi %}

{% tabs %}
{% tab title="Mainnet" %}

```bash
curl -X GET \
    "https://mainnet.ethereum.validationcloud.io/v1/<YOUR_API_KEY_HERE>/eth/v1/beacon/headers/head" \
    -H "Content-Type: application/json"
```

{% endtab %}

{% tab title="Testnet" %}

```bash
curl -X GET \
    "https://sepolia.ethereum.validationcloud.io/v1/<YOUR_API_KEY_HERE>/eth/v1/beacon/headers/head" \
    -H "Content-Type: application/json"
```

{% endtab %}
{% endtabs %}