> 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/bitcoin/esplora-http-api/blocks/get-block-height-height.md).

# GET /block-height/:height

Returns the hash of the block currently at `height`.

This method will use `10` [Compute Units](/v1/about/billing.md).

***

## **Parameters**

**`block height`** - required.

Example: `910883`

## Returns

Returns the hash of the block currently at `height`.

{% code overflow="wrap" %}

```json
00000000000000000001129bff5a606bd4999e3594613fa13453a0f3635ed35b
```

{% endcode %}

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

```bash
curl https://mainnet.bitcoin.validationcloud.io/v1/<YOUR_API_KEY>/block-height/:height \
 -X GET
```

{% endtab %}

{% tab title="testnet" %}

```bash
curl https://testnet.bitcoin.validationcloud.io/v1/<YOUR_API_KEY>/block-height/:height \
 -X GET
```

{% endtab %}
{% endtabs %}


---

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