> 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

<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 %}