> For the complete documentation index, see [llms.txt](https://circular-protocol.gitbook.io/standard-apis/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://circular-protocol.gitbook.io/standard-apis/api-docs/apis/get-the-number-of-blocks.md).

# Get the number of Blocks

This endpoint is designed to offer details about the number of blocks in the chosen blockchain, including information about the last block or its height. By specifying the blockchain address, this end

<mark style="color:green;">`POST`</mark> `Circular_GetBlockHeight_`

**Headers**

| Name         | Value              |
| ------------ | ------------------ |
| Content-Type | `application/json` |

**Body**

| Name         | Type   | Description                                                  |
| ------------ | ------ | ------------------------------------------------------------ |
| `Blockchain` | string | Blockchain address excluding the "0x" hexadecimal identifier |

**Result**

{% tabs %}
{% tab title="200" %}

```json
{
    "Result": 200,
    "Response": {
        "BlockCount": 4554
    },
    "Node": "02fc8b01bfc5dc2911941871e6de81f5f6fe60f3961343f802ad78e7e077ea32"
}
```

{% endtab %}

{% tab title="118" %}
Wrong blockchain address:

```json
{
    "Result": 118,
    "Response": "Wrong Format",
    "Node": "7bb5bd50729d6857942701d5673ea70ca1625f883230d8543970a452d1abe1c4"
}
```

{% endtab %}
{% endtabs %}