> ## Documentation Index
> Fetch the complete documentation index at: https://developer.wooxpro.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Get Futures Openinterest

`Applicable for querying the open interest and open interest value data of the specified contract`

#### Request URL

`GET https://cloud-api.wooxpro.com/contract/public/open-interest`

#### Request Limit

See [Detailed Rate Limit](/english/rate-limit)

#### Request Parameter

> Request

```shell theme={null}
curl https://cloud-api.wooxpro.com/contract/public/open-interest?symbol=BTCUSDT

```

| Field  | Type   | Required? | Description                          |
| :----- | :----- | :-------- | :----------------------------------- |
| symbol | String | Yes       | Symbol of the contract(like BTCUSDT) |

#### Response Data

> Response

```json theme={null}
{
  "code": 1000,
  "trace": "0cc6f4c4-8b8c-4253-8e90-8d3195aa109c",
  "message": "Ok",
  "data": {
    "timestamp": 1661239541734,
    "symbol": "BTCUSDT",
    "open_interest": "4134180870",
    "open_interest_value": "94100888927.0433258"
  }
}
```

| Field                 | Type   | Description            |
| :-------------------- | :----- | :--------------------- |
| timestamp             | Long   | Timestamp              |
| symbol                | String | Symbol of the contract |
| open\_interest        | String | Open interest          |
| open\_interest\_value | String | Value of open interest |