> For the complete documentation index, see [llms.txt](https://ajaib.gitbook.io/ajaib-exchange-open-api/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://ajaib.gitbook.io/ajaib-exchange-open-api/api-references/editor/order-book.md).

# Order Book

## Retrieve order book data

<mark style="color:green;">`GET`</mark> `/v1/depth`

**Functionality:** Returns the order book data for requested symbol and limit&#x20;

**Authentication:** Required

#### URL Parameters

<table><thead><tr><th width="135.2109375">Name</th><th width="107">Type</th><th width="114.12890625" data-type="checkbox">Mandatory</th><th>Description</th></tr></thead><tbody><tr><td>symbol</td><td>string</td><td>true</td><td>Symbol of trading pair. Refer to <a href="https://ajaib.gitbook.io/coin-exchange-open-api/getting-started/quickstart#:~:text=Asset%20Symbols%20/%20Trading%20Pairs">this</a>.</td></tr><tr><td>limit</td><td>long</td><td>false</td><td>Default: 50; Maximum: 50.<br>If limit > 50, only 50 entries will be returned.</td></tr><tr><td>recvWindown</td><td>long</td><td>false</td><td>default 5000</td></tr><tr><td>timestamp</td><td>long</td><td>true</td><td></td></tr></tbody></table>

**Response Body**

<table><thead><tr><th width="167">Name</th><th width="146">Type</th><th>Description</th></tr></thead><tbody><tr><td>lastUpdateId</td><td>long</td><td>Symbol information</td></tr><tr><td>bids</td><td>List of List</td><td><p>A list of order book bids.</p><p>Each inner list contains two elements: </p><ul><li>[0] Order book price</li><li>[1] Order book quantity</li></ul></td></tr><tr><td>asks</td><td>List of List</td><td><p></p><p>A list of order book asks.</p><p>Each inner list contains two elements: </p><ul><li>[0] Order book price</li><li>[1] Order book quantity</li></ul></td></tr></tbody></table>

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

```javascript
{
  "lastUpdateId": 1027024,
  "bids": [
    [
      "4.00000000",     // price
      "431.00000000"    // quantity
    ]
  ],
  "asks": [
    [
      "4.00000200",
      "12.00000000"
    ]
  ]
}
```

{% endtab %}
{% endtabs %}