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

# Wallet order book balances in a vault

> Retrieve wallets with non-zero open or filled PT, YT, or SY orderbook balances in a vault.

export const ApiResponse = ({children, errors = {}}) => {
  const [status, setStatus] = useState("200");
  const statuses = ["200", ...Object.keys(errors)];
  return <section className="api-response" aria-label="Response">
      <div className="api-response-header not-prose">
        <h2>Response</h2>
        <div className="api-response-format">
          {statuses.length > 1 ? <select aria-label="Response status" value={status} onChange={event => setStatus(event.target.value)}>
              {statuses.map(code => <option key={code} value={code}>{code}</option>)}
            </select> : <span>200</span>}
          <span className="api-response-mime">application/json</span>
        </div>
      </div>
      <div hidden={status !== "200"}>{children}</div>
      {status !== "200" && <div aria-live="polite">
          {Object.entries(errors[status]).map(([name, value]) => <ResponseField key={name} name={name} type={value === null ? "null" : Array.isArray(value) ? "array" : typeof value}>
              {name === "error" ? "Error message describing why the request failed." : "Additional error details."}
            </ResponseField>)}
        </div>}
    </section>;
};

## Query parameters

<ParamField query="vault" type="string" required>
  Vault address.
</ParamField>

<RequestExample dropdown>
  ```bash cURL theme={null}
  curl 'https://api.exponent.finance/balances/user/orderbook?vault=Cmry6B5824MGAKrtL2u7YG9PiLZLoTBWs8hVaCJeUFaH'
  ```

  ```python Python theme={null}
  import requests

  response = requests.get("https://api.exponent.finance/balances/user/orderbook?vault=Cmry6B5824MGAKrtL2u7YG9PiLZLoTBWs8hVaCJeUFaH", timeout=30)
  response.raise_for_status()
  print(response.json())
  ```

  ```javascript JavaScript theme={null}
  const response = await fetch("https://api.exponent.finance/balances/user/orderbook?vault=Cmry6B5824MGAKrtL2u7YG9PiLZLoTBWs8hVaCJeUFaH");
  if (!response.ok) {
    throw new Error(`Request failed: ${response.status}`);
  }
  const data = await response.json();
  console.log(data);
  ```
</RequestExample>

<ApiResponse errors={{"400": {"error": "<message>"}, "500": {"error": "<message>"}}} />

<ResponseExample>
  ```json 200 theme={null}
  {
    "8Y7ApemW5UHzczZNYHW3tU4yZZjML8ho87i1dnf7kvw7": {
      "pt": {
        "orderbook_open": "0",
        "orderbook_filled": "102713",
        "last_updated_at": "2026-10-14T15:10:13.725+00:00",
        "last_orderbook_tx_signature": "2TSF6o2w8z6DkdKovB9zdpw5nvexL6jiTWyXsagX3EjVgsZ8YwEopjrrZ8n5SzHbFiREr7h8nmRCt7WRDFEVuQUo"
      },
      "yt": {
        "orderbook_open": "1156406",
        "orderbook_filled": "0",
        "last_updated_at": "2026-10-14T15:11:12.693+00:00",
        "last_orderbook_tx_signature": "5jusmzBJ2ZdQeo4Q8Z1GRofdQdwDFa9xy78F7KvkwhFpwzLvG3TpyF2HJ67DRGY9NQV8kYeCF83f3QeiW3gEHDf8"
      },
      "sy": {
        "orderbook_open": "1",
        "orderbook_filled": "17590",
        "last_updated_at": "2026-09-28T12:41:45.812993",
        "last_orderbook_tx_signature": "5hf5gSDi3veq7LcqcbAoXQoyJ6EkUMkMau4C4oH8EbWJ4xeyULoqzJyCvmf5pGgJ6GfDr9TuKmeDT5JajPQYeCSz"
      }
    },
    "F5eXBP2su63JctLDnbzAQ7HvLdFKz2aZqrywiUW2a2vs": {
      "pt": {
        "orderbook_open": "0",
        "orderbook_filled": "0",
        "last_updated_at": null,
        "last_orderbook_tx_signature": null
      },
      "yt": {
        "orderbook_open": "2354729707",
        "orderbook_filled": "0",
        "last_updated_at": "2026-10-14T15:11:12.693+00:00",
        "last_orderbook_tx_signature": "9UatEsZ3b7brka9937nUzNgrvnueTtCVwNaqcBzp3oyt6cEoR2zmm1jiJ6HrN2dGrDtaEC58TTWenCre4f2jHvi"
      },
      "sy": {
        "orderbook_open": "0",
        "orderbook_filled": "0",
        "last_updated_at": null,
        "last_orderbook_tx_signature": null
      }
    }
  }
  ```

  ```json 400 theme={null}
  {
    "error": "<message>"
  }
  ```

  ```json 500 theme={null}
  {
    "error": "<message>"
  }
  ```
</ResponseExample>


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