### GET /snapshot - 行情快照Snapshot

Source: https://context7.com/context7/vvtr_v1_apidoc/llms.txt

获取当前最新实时快照数据,包含最新价、开高低价、成交量额、买卖盘口、持仓量等完整信息。股票提供5档盘口,期货提供1档盘口。支持同时查询多个symbol和跨品种混合查询。

```APIDOC
## GET /snapshot

### Description
获取当前最新实时快照数据,包含最新价、开高低价、成交量额、买卖盘口、持仓量等完整信息。股票提供5档盘口,期货提供1档盘口。支持同时查询多个symbol和跨品种混合查询。

### Method
GET

### Endpoint
https://rest.vvtr.com/v1/snapshot

### Query Parameters
- **symbols** (string) - Required - 证券代码,多个用分号分隔 (e.g., "600000;rb9999")
- **type** (string) - Required - 品种类型代码,与symbols一一对应,多个用逗号分隔 (e.g., "11,14")
- **apiKey** (string) - Required - 您的API密钥

### Request Example
```bash
# 获取期货主力合约快照
curl "https://rest.vvtr.com/v1/snapshot?symbols=rb9999&type=14&apiKey=your_api_key"

# 获取多个A股快照(5档盘口)
curl "https://rest.vvtr.com/v1/snapshot?symbols=600000,000001&type=11&apiKey=your_api_key"

# 跨品种混合查询(A股和期货)
curl "https://rest.vvtr.com/v1/snapshot?symbols=600000;rb9999&type=11,14&apiKey=your_api_key"
```

### Response
#### Success Response (200)
- **code** (integer) - 响应状态码, 200表示成功
- **msg** (string) - 响应消息
- **data** (array) - 快照数据列表
  - **symbol** (string) - 证券代码
  - **open** (number) - 开盘价
  - **high** (number) - 最高价
  - **low** (number) - 最低价
  - **price** (number) - 最新价
  - **cumVolume** (number) - 累计成交量
  - **cumAmount** (number) - 累计成交额
  - **lastVolume** (number) - 本笔成交量
  - **lastAmount** (number) - 本笔成交额
  - **createdAt** (string) - 数据更新时间
  - **cumPosition** (number) - 累计持仓量 (期货)
  - **tradeType** (integer) - 交易状态
  - **quotes** (array) - 盘口数据
    - **bidP** (number) - 买入价
    - **bidV** (number) - 买入量
    - **askP** (number) - 卖出价
    - **askV** (number) - 卖出量

#### Response Example
```json
{
  "code": 200,
  "msg": "ok",
  "data": [
    {
      "symbol": "SA2511",
      "open": 1404,
      "high": 1405,
      "low": 1352,
      "price": 1399,
      "cumVolume": 0,
      "cumAmount": 0,
      "lastVolume": 0,
      "lastAmount": 0,
      "createdAt": "2025-04-09 11:30:00",
      "cumPosition": 0,
      "tradeType": 0,
      "quotes": [
        {
          "bidP": 1397,
          "bidV": 1,
          "askP": 1400,
          "askV": 2
        }
      ]
    }
  ]
}
```
```

--------------------------------

### GET /kline/current - 最新K线Current

Source: https://context7.com/context7/vvtr_v1_apidoc/llms.txt

获取symbol当前各周期的最新K线(日K及以下),建议在每分钟第5秒后请求以获取准确的分钟K线数据。支持批量查询和多周期同时获取。

```APIDOC
## GET /kline/current

### Description
获取symbol当前各周期的最新K线(日K及以下),建议在每分钟第5秒后请求以获取准确的分钟K线数据。5秒前的分钟K由tick合成可能存在误差。支持批量查询和多周期同时获取。

### Method
GET

### Endpoint
https://rest.vvtr.com/v1/kline/current

### Query Parameters
- **symbols** (string) - Required - 证券代码,多个用逗号分隔 (e.g., "600000,600004")
- **type** (integer) - Required - 品种类型代码
- **interval** (string) - Required - K线周期 (e.g., "1m", "5m", "15m", "1h", "1d")
- **apiKey** (string) - Required - 您的API密钥

### Request Example
```bash
# 获取A股最新1分钟K线
curl "https://rest.vvtr.com/v1/kline/current?symbols=600000,600004&type=11&interval=1m&apiKey=your_api_key"

# 获取期货最新5分钟K线
curl "https://rest.vvtr.com/v1/kline/current?symbols=rb9999,hc9999&type=14&interval=5m&apiKey=your_api_key"

# 获取美股最新日K线
curl "https://rest.vvtr.com/v1/kline/current?symbols=AAPL,TSLA&type=21&interval=1d&apiKey=your_api_key"
```

### Response
#### Success Response (200)
- **code** (integer) - 响应状态码, 200表示成功
- **msg** (string) - 响应消息
- **data** (array) - 最新K线数据列表
  - **symbol** (string) - 证券代码
  - **interval** (string) - K线周期
  - **frequency** (string) - K线频率
  - **open** (number) - 开盘价
  - **high** (number) - 最高价
  - **close** (number) - 收盘价
  - **low** (number) - 最低价
  - **amount** (number) - 成交额
  - **volume** (number) - 成交量
  - **position** (number) - 持仓量 (期货)
  - **bob** (string) - 周期开始时间
  - **eob** (string) - 周期结束时间
  - **type** (integer) - 品种类型
  - **sequence** (integer) - 序列号

#### Response Example
```json
{
  "code": 200,
  "msg": "ok",
  "data": [
    {
      "symbol": "600000",
      "interval": "1m",
      "frequency": "1m",
      "open": 12.15,
      "high": 12.17,
      "close": 12.17,
      "low": 12.14,
      "amount": 3275979,
      "volume": 269442,
      "position": 0,
      "bob": "2025-05-27 14:56:00",
      "eob": "2025-05-27 14:57:00",
      "type": 11,
      "sequence": 1
    }
  ]
}
```
```

--------------------------------

### GET /symbols - 获取symbol列表

Source: https://context7.com/context7/vvtr_v1_apidoc/llms.txt

查询指定品种下所有活跃证券代码,每日盘前更新。支持A股、期货、美股、基金、债券、指数、加密货币等多种资产类别,返回证券代码、名称、交易所、上市退市日期等基础信息。

```APIDOC
## GET /symbols

### Description
查询指定品种下所有活跃证券代码,每日盘前更新。支持A股、期货、美股、基金、债券、指数、加密货币等多种资产类别,返回证券代码、名称、交易所、上市退市日期等基础信息。

### Method
GET

### Endpoint
https://rest.vvtr.com/v1/symbols

### Query Parameters
- **type** (integer) - Required - 品种类型代码 (e.g., 11 for A-shares, 14 for Futures, 21 for US Stocks)
- **apiKey** (string) - Required - 您的API密钥

### Request Example
```bash
curl "https://rest.vvtr.com/v1/symbols?type=11&apiKey=your_api_key"
```

### Response
#### Success Response (200)
- **code** (integer) - 响应状态码, 200表示成功
- **msg** (string) - 响应消息
- **data** (array) - 证券代码列表
  - **symbol** (string) - 证券代码
  - **exchange** (string) - 交易所
  - **name** (string) - 证券名称
  - **listedDate** (string) - 上市日期
  - **delistedDate** (string) - 退市日期
  - **type** (integer) - 品种类型

#### Response Example
```json
{
  "code": 200,
  "msg": "ok",
  "data": [
    {
      "symbol": "600000",
      "exchange": "SHSE",
      "name": "浦发银行",
      "listedDate": "1999-11-10 00:00:00",
      "delistedDate": "2038-01-01 00:00:00",
      "type": 11
    }
  ]
}
```
```

--------------------------------

### GET /kline/history - 获取历史K线

Source: https://context7.com/context7/vvtr_v1_apidoc/llms.txt

查询指定时间区间的历史K线数据,支持1分钟到月线的多种周期。数据自动分页,单页返回约2000条记录,支持复权计算。

```APIDOC
## GET /kline/history

### Description
查询指定时间区间的历史K线数据,支持1分钟到月线的多种周期。15分钟以下粒度支持查询最近6个月,15分钟到日线支持查询近2年,日线及以上可查询全部历史。数据自动分页,单页返回约2000条记录,支持复权计算。

### Method
GET

### Endpoint
https://rest.vvtr.com/v1/kline/history

### Query Parameters
- **symbols** (string) - Required - 证券代码,多个用逗号分隔 (e.g., "600000,600004")
- **type** (integer) - Required - 品种类型代码
- **interval** (string) - Required - K线周期 (e.g., "1m", "5m", "1d", "1w", "1M")
- **from** (string) - Required - 开始时间 (格式: "YYYY-MM-DD HH:MM:SS")
- **to** (string) - Required - 结束时间 (格式: "YYYY-MM-DD HH:MM:SS")
- **adjust** (boolean) - Optional - 是否进行复权计算 (默认为 false)
- **cursorToken** (string) - Optional - 分页游标,用于获取下一页数据
- **apiKey** (string) - Required - 您的API密钥

### Request Example
```bash
# 获取A股日K线数据
curl "https://rest.vvtr.com/v1/kline/history?symbols=600000,600004&type=11&interval=1d&from=2025-04-01&to=2025-04-03&apiKey=your_api_key"

# 带复权的日K线查询
curl "https://rest.vvtr.com/v1/kline/history?symbols=600000&type=11&interval=1d&from=2025-01-01&to=2025-04-10&adjust=true&apiKey=your_api_key"

# 分页查询(使用cursorToken获取下一页)
curl "https://rest.vvtr.com/v1/kline/history?symbols=*&type=11&interval=1d&from=2025-04-01&to=2025-04-03&cursorToken=eyJpZCI6MTIzNDU2fQ==&apiKey=your_api_key"
```

### Response
#### Success Response (200)
- **code** (integer) - 响应状态码, 200表示成功
- **msg** (string) - 响应消息
- **data** (object) - K线数据
  - **records** (array) - K线记录列表
    - **id** (integer) - 记录ID
    - **symbol** (string) - 证券代码
    - **interval** (string) - K线周期
    - **open** (number) - 开盘价
    - **high** (number) - 最高价
    - **close** (number) - 收盘价
    - **low** (number) - 最低价
    - **amount** (number) - 成交额
    - **volume** (number) - 成交量
    - **position** (number) - 持仓量 (期货)
    - **bob** (string) - 周期开始时间
    - **eob** (string) - 周期结束时间
    - **type** (integer) - 品种类型
    - **sequence** (integer) - 序列号
    - **frequency** (string) - K线频率
  - **hasNext** (boolean) - 是否有下一页
  - **nextCursorToken** (string) - 下一页的游标Token
  - **total** (integer) - 总记录数
  - **size** (integer) - 每页大小
  - **current** (integer) - 当前页码
  - **pages** (integer) - 总页数

#### Response Example
```json
{
  "code": 200,
  "msg": "ok",
  "data": {
    "records": [
      {
        "id": 35697406,
        "symbol": "600000",
        "interval": "1d",
        "open": 10.43,
        "high": 10.46,
        "close": 10.35,
        "low": 10.22,
        "amount": 659250560,
        "volume": 63920348,
        "position": 0,
        "bob": "2025-04-01 08:00:00",
        "eob": "2025-04-01 08:00:00",
        "type": 11,
        "sequence": 1,
        "frequency": "1d"
      }
    ],
    "hasNext": false,
    "nextCursorToken": null,
    "total": 4,
    "size": 2000,
    "current": 1,
    "pages": 1
  }
}
```
```

--------------------------------

### A股财务及市场数据

Source: https://www.vvtr.com/v1/apidoc/index

Comprehensive endpoints for A-share financial and market data, including basic information, index constituents, strong stocks, adjustment factors, sector data, funds flow, top/bottom gainers, and financial statements.

```APIDOC
## 股票基础信息

### Description
Retrieves basic information about A-share stocks.

### Method
GET

### Endpoint
/api/a_shares/basic_info

### Parameters
#### Query Parameters
- **symbol** (string) - Required - The A-share stock symbol.

### Response
#### Success Response (200)
- **name** (string) - Stock name.
- **industry** (string) - Stock industry.

#### Response Example
```json
{
  "name": "Tencent Holdings",
  "industry": "Internet"
}
```
```

```APIDOC
## 指数成分股

### Description
Retrieves the constituent stocks of an index.

### Method
GET

### Endpoint
/api/indices/{index_symbol}/constituents

### Parameters
#### Path Parameters
- **index_symbol** (string) - Required - The index symbol.

### Response
#### Success Response (200)
- **constituents** (array) - A list of constituent stock symbols.

#### Response Example
```json
{
  "constituents": ["000001.SZ", "600519.SH"]
}
```
```

```APIDOC
## 强势股

### Description
Retrieves a list of strong performing A-share stocks.

### Method
GET

### Endpoint
/api/a_shares/strong_stocks

### Parameters
#### Query Parameters
- **date** (string) - Optional - The date for which to retrieve strong stocks (YYYY-MM-DD).

### Response
#### Success Response (200)
- **stocks** (array) - A list of strong stock symbols.

#### Response Example
```json
{
  "stocks": ["000001.SZ", "600519.SH"]
}
```
```

```APIDOC
## 复权因子

### Description
Retrieves the adjustment factors for A-share stocks.

### Method
GET

### Endpoint
/api/a_shares/adjustment_factors

### Parameters
#### Query Parameters
- **symbol** (string) - Required - The A-share stock symbol.
- **start_date** (string) - Optional - The start date for adjustment factors (YYYY-MM-DD).
- **end_date** (string) - Optional - The end date for adjustment factors (YYYY-MM-DD).

### Response
#### Success Response (200)
- **factors** (object) - A map of dates to adjustment factors.

#### Response Example
```json
{
  "factors": {
    "2023-01-01": 1.0,
    "2023-01-02": 1.05
  }
}
```
```

```APIDOC
## 板块代码查询

### Description
Queries for A-share sector codes.

### Method
GET

### Endpoint
/api/sectors/codes

### Parameters
#### Query Parameters
- **name** (string) - Optional - The name of the sector to search for.

### Response
#### Success Response (200)
- **sectors** (array) - A list of sector objects, each with code and name.

#### Response Example
```json
{
  "sectors": [
    {"code": "000001", "name": "Broad Market Index"}
  ]
}
```
```

```APIDOC
## 板块成分股

### Description
Retrieves the constituent stocks of an A-share sector.

### Method
GET

### Endpoint
/api/sectors/{sector_code}/constituents

### Parameters
#### Path Parameters
- **sector_code** (string) - Required - The A-share sector code.

### Response
#### Success Response (200)
- **constituents** (array) - A list of constituent stock symbols.

#### Response Example
```json
{
  "constituents": ["000001.SZ", "600519.SH"]
}
```
```

```APIDOC
## 资金流向

### Description
Retrieves fund flow data for A-share stocks.

### Method
GET

### Endpoint
/api/a_shares/fund_flow

### Parameters
#### Query Parameters
- **symbol** (string) - Required - The A-share stock symbol.
- **date** (string) - Optional - The date for which to retrieve fund flow data (YYYY-MM-DD).

### Response
#### Success Response (200)
- **fund_flow** (object) - Fund flow data.

#### Response Example
```json
{
  "fund_flow": {
    "inflow": 10000000,
    "outflow": 5000000
  }
}
```
```

```APIDOC
## 涨停榜

### Description
Retrieves the list of A-share stocks that hit the upper price limit.

### Method
GET

### Endpoint
/api/a_shares/limit_up

### Parameters
#### Query Parameters
- **date** (string) - Optional - The date for which to retrieve the list (YYYY-MM-DD).

### Response
#### Success Response (200)
- **stocks** (array) - A list of stock symbols that hit the upper limit.

#### Response Example
```json
{
  "stocks": ["000001.SZ", "600519.SH"]
}
```
```

```APIDOC
## 跌停榜

### Description
Retrieves the list of A-share stocks that hit the lower price limit.

### Method
GET

### Endpoint
/api/a_shares/limit_down

### Parameters
#### Query Parameters
- **date** (string) - Optional - The date for which to retrieve the list (YYYY-MM-DD).

### Response
#### Success Response (200)
- **stocks** (array) - A list of stock symbols that hit the lower limit.

#### Response Example
```json
{
  "stocks": ["000002.SZ", "600000.SH"]
}
```
```

```APIDOC
## 报表-年报季报

### Description
Retrieves annual and quarterly financial reports for A-share stocks.

### Method
GET

### Endpoint
/api/a_shares/financial_reports/annual_quarterly

### Parameters
#### Query Parameters
- **symbol** (string) - Required - The A-share stock symbol.
- **year** (integer) - Required - The reporting year.
- **period** (string) - Required - The reporting period ('annual', 'Q1', 'Q2', 'Q3', 'Q4').

### Response
#### Success Response (200)
- **report** (object) - The financial report data.

#### Response Example
```json
{
  "report": {
    "revenue": 1000000000,
    "net_profit": 200000000
  }
}
```
```

```APIDOC
## 报表-资产负债表

### Description
Retrieves the balance sheet for A-share stocks.

### Method
GET

### Endpoint
/api/a_shares/financial_reports/balance_sheet

### Parameters
#### Query Parameters
- **symbol** (string) - Required - The A-share stock symbol.
- **year** (integer) - Required - The reporting year.
- **period** (string) - Required - The reporting period ('annual', 'Q1', 'Q2', 'Q3', 'Q4').

### Response
#### Success Response (200)
- **balance_sheet** (object) - The balance sheet data.

#### Response Example
```json
{
  "balance_sheet": {
    "total_assets": 5000000000,
    "total_liabilities": 2000000000
  }
}
```
```

```APIDOC
## 报表-现金流量表

### Description
Retrieves the cash flow statement for A-share stocks.

### Method
GET

### Endpoint
/api/a_shares/financial_reports/cash_flow_statement

### Parameters
#### Query Parameters
- **symbol** (string) - Required - The A-share stock symbol.
- **year** (integer) - Required - The reporting year.
- **period** (string) - Required - The reporting period ('annual', 'Q1', 'Q2', 'Q3', 'Q4').

### Response
#### Success Response (200)
- **cash_flow_statement** (object) - The cash flow statement data.

#### Response Example
```json
{
  "cash_flow_statement": {
    "operating_cash_flow": 800000000,
    "investing_cash_flow": -300000000
  }
}
```
```

```APIDOC
## 报表-利润表

### Description
Retrieves the income statement for A-share stocks.

### Method
GET

### Endpoint
/api/a_shares/financial_reports/income_statement

### Parameters
#### Query Parameters
- **symbol** (string) - Required - The A-share stock symbol.
- **year** (integer) - Required - The reporting year.
- **period** (string) - Required - The reporting period ('annual', 'Q1', 'Q2', 'Q3', 'Q4').

### Response
#### Success Response (200)
- **income_statement** (object) - The income statement data.

#### Response Example
```json
{
  "income_statement": {
    "revenue": 1000000000,
    "gross_profit": 400000000
  }
}
```
```

```APIDOC
## 财务-主要指标

### Description
Retrieves key financial metrics for A-share stocks.

### Method
GET

### Endpoint
/api/a_shares/financial_metrics/key

### Parameters
#### Query Parameters
- **symbol** (string) - Required - The A-share stock symbol.
- **year** (integer) - Required - The reporting year.
- **period** (string) - Required - The reporting period ('annual', 'Q1', 'Q2', 'Q3', 'Q4').

### Response
#### Success Response (200)
- **key_metrics** (object) - Key financial metrics.

#### Response Example
```json
{
  "key_metrics": {
    "eps": 2.50,
    "roe": 0.15
  }
}
```
```

```APIDOC
## 财务-估值指标

### Description
Retrieves valuation metrics for A-share stocks.

### Method
GET

### Endpoint
/api/a_shares/financial_metrics/valuation

### Parameters
#### Query Parameters
- **symbol** (string) - Required - The A-share stock symbol.
- **year** (integer) - Required - The reporting year.
- **period** (string) - Required - The reporting period ('annual', 'Q1', 'Q2', 'Q3', 'Q4').

### Response
#### Success Response (200)
- **valuation_metrics** (object) - Valuation metrics.

#### Response Example
```json
{
  "valuation_metrics": {
    "pe_ratio": 30.5,
    "pb_ratio": 5.2
  }
}
```
```

```APIDOC
## 财务-市值指标

### Description
Retrieves market capitalization metrics for A-share stocks.

### Method
GET

### Endpoint
/api/a_shares/financial_metrics/market_cap

### Parameters
#### Query Parameters
- **symbol** (string) - Required - The A-share stock symbol.

### Response
#### Success Response (200)
- **market_cap_metrics** (object) - Market capitalization metrics.

#### Response Example
```json
{
  "market_cap_metrics": {
    "market_cap": 100000000000,
    "circulating_market_cap": 80000000000
  }
}
```
```

--------------------------------

### 获取行情快照 (REST API)

Source: https://context7.com/context7/vvtr_v1_apidoc/llms.txt

获取当前最新实时快照数据,包含最新价、开高低价、成交量额、买卖盘口等信息。股票提供5档盘口,期货提供1档盘口。支持同时查询多个symbol和跨品种混合查询。

```bash
# 获取期货主力合约快照
curl "https://rest.vvtr.com/v1/snapshot?symbols=rb9999&type=14&apiKey=your_api_key"

# 获取多个A股快照(5档盘口)
curl "https://rest.vvtr.com/v1/snapshot?symbols=600000,000001&type=11&apiKey=your_api_key"

# 跨品种混合查询(A股和期货)
curl "https://rest.vvtr.com/v1/snapshot?symbols=600000;rb9999&type=11,14&apiKey=your_api_key"
```

--------------------------------

### 获取历史K线数据 (REST API)

Source: https://context7.com/context7/vvtr_v1_apidoc/llms.txt

查询指定时间区间的历史K线数据,支持1分钟到月线的多种周期。数据自动分页,支持复权计算。不同粒度的K线数据支持查询的时间范围不同。

```bash
# 获取A股日K线数据
curl "https://rest.vvtr.com/v1/kline/history?symbols=600000,600004&type=11&interval=1d&from=2025-04-01&to=2025-04-03&apiKey=your_api_key"

# 获取期货1分钟K线(盘中实时数据)
curl "https://rest.vvtr.com/v1/kline/history?symbols=rb9999&type=14&interval=1m&from=2025-04-10%2009:00:00&to=2025-04-10%2015:00:00&apiKey=your_api_key"

# 带复权的日K线查询
curl "https://rest.vvtr.com/v1/kline/history?symbols=600000&type=11&interval=1d&from=2025-01-01&to=2025-04-10&adjust=true&apiKey=your_api_key"

# 分页查询(使用cursorToken获取下一页)
curl "https://rest.vvtr.com/v1/kline/history?symbols=*&type=11&interval=1d&from=2025-04-01&to=2025-04-03&cursorToken=eyJpZCI6MTIzNDU2fQ==&apiKey=your_api_key"
```

--------------------------------

### 获取最新K线 (REST API)

Source: https://context7.com/context7/vvtr_v1_apidoc/llms.txt

获取symbol当前各周期的最新K线(日K及以下)。建议在每分钟第5秒后请求以获取准确的分钟K线数据。支持批量查询和多周期同时获取。

```bash
# 获取A股最新1分钟K线
curl "https://rest.vvtr.com/v1/kline/current?symbols=600000,600004&type=11&interval=1m&apiKey=your_api_key"

# 获取期货最新5分钟K线
curl "https://rest.vvtr.com/v1/kline/current?symbols=rb9999,hc9999&type=14&interval=5m&apiKey=your_api_key"

# 获取美股最新日K线
curl "https://rest.vvtr.com/v1/kline/current?symbols=AAPL,TSLA&type=21&interval=1d&apiKey=your_api_key"
```

--------------------------------

### 实时行情(L1)-http

Source: https://www.vvtr.com/v1/apidoc/index

Endpoints for retrieving real-time Level 1 market data via HTTP.

```APIDOC
## 行情快照Snapshot

### Description
Retrieves a real-time market data snapshot for a symbol.

### Method
GET

### Endpoint
/api/realtime/snapshot

### Parameters
#### Query Parameters
- **symbol** (string) - Required - The symbol for which to retrieve data.

### Response
#### Success Response (200)
- **snapshot** (object) - Real-time market data.

#### Response Example
```json
{
  "snapshot": {
    "timestamp": 1678886400,
    "last_price": 102.5,
    "bid_price": 102.4,
    "ask_price": 102.6,
    "volume": 100000,
    "open": 100.0,
    "high": 105.0,
    "low": 98.0
  }
}
```
```

```APIDOC
## 最新K线Current

### Description
Retrieves the latest K-line data point for a symbol.

### Method
GET

### Endpoint
/api/realtime/current_kline

### Parameters
#### Query Parameters
- **symbol** (string) - Required - The symbol for which to retrieve data.
- **interval** (string) - Required - The K-line interval (e.g., '1min', '5min', '1day').

### Response
#### Success Response (200)
- **kline** (object) - The latest K-line data.

#### Response Example
```json
{
  "kline": {
    "timestamp": 1678886400,
    "open": 102.0,
    "high": 103.0,
    "low": 101.5,
    "close": 102.5,
    "volume": 50000
  }
}
```
```

--------------------------------

### 实时行情(L1)-websocket

Source: https://www.vvtr.com/v1/apidoc/index

Provides real-time Level 1 market data via WebSocket.

```APIDOC
## WebSocket 订阅

### Description
Subscribes to real-time market data updates via WebSocket.

### Method
WebSocket

### Endpoint
/ws/realtime

### Parameters
#### Query Parameters
- **symbols** (string) - Required - Comma-separated list of symbols to subscribe to.
- **intervals** (string) - Optional - Comma-separated list of K-line intervals to subscribe to.

### Request Example
```json
{
  "action": "subscribe",
  "symbols": "000001.SZ,600519.SH",
  "intervals": "1min,5min"
}
```

### Response
#### Data Message
- **type** (string) - Message type (e.g., 'snapshot', 'kline').
- **data** (object) - Real-time market data.

#### Response Example
```json
{
  "type": "snapshot",
  "data": {
    "symbol": "000001.SZ",
    "timestamp": 1678886400,
    "last_price": 102.5,
    "bid_price": 102.4,
    "ask_price": 102.6,
    "volume": 100000
  }
}
```
```

--------------------------------

### 实时行情(深度)

Source: https://www.vvtr.com/v1/apidoc/index

Provides real-time deep market data (order book) via WebSocket for A-shares.

```APIDOC
## WebSocket(A股)

### Description
Subscribes to real-time deep market data (order book) for A-shares via WebSocket.

### Method
WebSocket

### Endpoint
/ws/depth/a_shares

### Parameters
#### Query Parameters
- **symbols** (string) - Required - Comma-separated list of A-share symbols to subscribe to.

### Request Example
```json
{
  "action": "subscribe",
  "symbols": "000001.SZ,600519.SH"
}
```

### Response
#### Data Message
- **type** (string) - Message type ('depth').
- **data** (object) - Real-time order book data.

#### Response Example
```json
{
  "type": "depth",
  "data": {
    "symbol": "000001.SZ",
    "timestamp": 1678886400,
    "bids": [
      [102.4, 10000],
      [102.3, 15000]
    ],
    "asks": [
      [102.6, 12000],
      [102.7, 18000]
    ]
  }
}
```
```

--------------------------------

### 基础数据接口

Source: https://www.vvtr.com/v1/apidoc/index

Provides endpoints for basic financial data, including futures symbol mapping and symbol list retrieval.

```APIDOC
## 期货主力对应真实合约(CN)

### Description
Retrieves the actual contract for Chinese futures main contracts.

### Method
GET

### Endpoint
/api/futures/main_contract

### Parameters
#### Query Parameters
- **symbol** (string) - Required - The futures symbol.

### Response
#### Success Response (200)
- **actual_contract** (string) - The actual contract name.

#### Response Example
```json
{
  "actual_contract": "RB2310"
}
```
```

```APIDOC
## 获取symbol列表

### Description
Retrieves a list of available symbols.

### Method
GET

### Endpoint
/api/symbols

### Parameters
#### Query Parameters
- **market** (string) - Optional - The market to filter symbols by (e.g., 'CN', 'US').

### Response
#### Success Response (200)
- **symbols** (array) - A list of symbol strings.

#### Response Example
```json
{
  "symbols": ["RB2310", "BR2310", "000001.SZ"]
}
```
```

--------------------------------

### Connect to WebSocket with wscat (Shell)

Source: https://www.vvtr.com/v1/apidoc/6467006m0

使用wscat工具连接WebSocket服务器进行数据订阅。此示例展示了如何构建包含API Key、类型和品种信息的连接URL。

```shell
# Shell 示例（使用wscat工具）
wscat -c "wss://rest.vvtr.com/v1/connect?apiKey=abcdefg&type=11&symbol=*"
```

--------------------------------

### 获取Symbol列表 (REST API)

Source: https://context7.com/context7/vvtr_v1_apidoc/llms.txt

查询指定品种下所有活跃证券代码的基础信息。支持A股、期货、美股、基金等多种资产类别。响应包含证券代码、名称、交易所、上市退市日期等。

```bash
# 获取A股全部symbol列表
curl "https://rest.vvtr.com/v1/symbols?type=11&apiKey=your_api_key"

# 获取国内期货列表
curl "https://rest.vvtr.com/v1/symbols?type=14&apiKey=your_api_key"

# 获取美股列表
curl "https://rest.vvtr.com/v1/symbols?type=21&apiKey=your_api_key"
```

--------------------------------

### WebSocket Subscription API

Source: https://www.vvtr.com/v1/apidoc/6467006m0

Connect to the WebSocket server to receive real-time market data. Authentication is done via API Key. Ensure to implement a heartbeat mechanism to keep the connection alive.

```APIDOC
## WebSocket Subscription API

### Description
Connect to the WebSocket server to receive real-time market data. Authentication is done via API Key. Ensure to implement a heartbeat mechanism to keep the connection alive.

### Method
WebSocket

### Endpoint
`wss://rest.vvtr.com/v1/connect`

### Parameters
#### Query Parameters
- **apiKey** (string) - Required - Your API key for authentication.
- **type** (string) - Required - Product type code. Multiple product types can be separated by commas.
- **symbol** (string) - Required - Symbol for the security. Symbols can be separated by commas. `*` denotes all symbols. For different product types, symbols should be separated by `;` and maintain the order with the `type` parameter.
- **exchange** (int) - Optional - Exchange ID. Required when `type` is `31`.
- **fields** (string) - Optional - Data types to subscribe to. Required when `type` is `31`. Examples: `quotes,trades`.

### Request Example
```
wss://rest.vvtr.com/v1/connect?apiKey=abcdefg&type=11&symbol=*
```

### Response
#### Success Response (200)
Data is streamed in real-time. The structure of the received data is as follows:

#### Response Example
```json
[
  {
    "s": "WH",
    "p": 0.0,
    "h": 0.0,
    "l": 0.0,
    "p": 3198.0,
    "cV": 0,
    "cA": 0.0,
    "cP": 0,
    "tt": 0,
    "lV": 0,
    "lA": 0.0,
    "cA": 1744009200000,
    "iopv": 0.0,
    "quotes": [
      {
        "bP": 0.0,
        "bV": 0,
        "aP": 0.0,
        "aV": 0
      }
    ]
  }
]
```

### Error Handling
- Connection Limit: Each API Key is limited to 1 active connection.
- Heartbeat: Send `ping` string every minute to maintain the connection.
- Subscription Limit: A single connection can subscribe to a maximum of 100 contracts or all symbols for a product (if authorized).
- Data Push: Real-time data is pushed only during trading hours; pre-market auctions are excluded.
- Overwriting Subscriptions: Each subscription request overwrites the previous list.

```