金融图表

已上线

可视化输入的OHLCV蜡烛图数据。

Free持OpenNan密钥免费使用，每个账户每分钟最多30次金融请求。

ToolPOST /v1/finance/chartsFree · 30 requests/min

Request

Return a line or candlestick chart specification from candles supplied by the caller.

Candles (JSON)Chart typeTitle

Finance chart

Example output

Caller-supplied data

Example price series

RisingFalling

Inspect record

Open 100 · High 103 · Low 98 · Close 101

Data table

Open	High	Low	Close	Volume
100	103	98	101	1,050
103	106	101	104	1,100
102	105	100	103	1,150
108	111	106	109	1,200
105	108	103	106	1,250
110	113	108	111	1,300
109	112	107	110	1,350

Response

{
  "data": {
    "candles": [
      {
        "time": "2026-01-01T00:00:00Z",
        "open": 100,
        "high": 103,
        "low": 98,
        "close": 101,
        "volume": 1050
      },
      {
        "time": "2026-01-02T00:00:00Z",
        "open": 103,
        "high": 106,
        "low": 101,
        "close": 104,
        "volume": 1100
      },
      {
        "time": "2026-01-03T00:00:00Z",
        "open": 102,
        "high": 105,
        "low": 100,
        "close": 103,
        "volume": 1150
      },
      {
        "time": "2026-01-04T00:00:00Z",
        "open": 108,
        "high": 111,
        "low": 106,
        "close": 109,
        "volume": 1200
      },
      {
        "time": "2026-01-05T00:00:00Z",
        "open": 105,
        "high": 108,
        "low": 103,
        "close": 106,
        "volume": 1250
      },
      {
        "time": "2026-01-06T00:00:00Z",
        "open": 110,
        "high": 113,
        "low": 108,
        "close": 111,
        "volume": 1300
      },
      {
        "time": "2026-01-07T00:00:00Z",
        "open": 109,
        "high": 112,
        "low": 107,
        "close": 110,
        "volume": 1350
      }
    ],
    "type": "candlestick",
    "title": "Example price series"
  },
  "meta": {
    "sources": [
      "Caller-supplied data"
    ],
    "retrieved_at": "2026-11-11T01:39:41.977674+00:00",
    "example_output": true
  }
}

Highlighted lines match the selected record.

Tool discovery · GET /v1/tools · MCP tools/list

运作方式

01选择输入输入股票代码、序列或按时间排序的OHLCV数据。
02检查结果选择图表记录以高亮显示完全对应的JSON值。

从代码调用金融图表

REST和MCP共用输入、结果和验证错误。

POSThttps://api.opennan.com/v1/finance/charts

获取 API 密钥
在控制台创建密钥。它与试用区使用同一余额。
创建密钥

发送第一个请求

与试用区发送的请求相同。把 OPENNAN_KEY 设为你的密钥。

curl 'https://api.opennan.com/v1/finance/charts' \
  -H 'Authorization: Bearer <OPENNAN_API_KEY>' \
  -H 'Content-Type: application/json' \
  --data '{"type":"candlestick","title":"Example price series","candles":[{"time":"2026-01-01T00:00:00Z","open":100,"high":103,"low":98,"close":101,"volume":1050},{"time":"2026-01-02T00:00:00Z","open":103,"high":106,"low":101,"close":104,"volume":1100},{"time":"2026-01-03T00:00:00Z","open":102,"high":105,"low":100,"close":103,"volume":1150},{"time":"2026-01-04T00:00:00Z","open":108,"high":111,"low":106,"close":109,"volume":1200},{"time":"2026-01-05T00:00:00Z","open":105,"high":108,"low":103,"close":106,"volume":1250},{"time":"2026-01-06T00:00:00Z","open":110,"high":113,"low":108,"close":111,"volume":1300},{"time":"2026-01-07T00:00:00Z","open":109,"high":112,"low":107,"close":110,"volume":1350}]}'

读取结果
结果在同一个响应里返回。X-Usage-Cost-Usd 响应头写明本次调用的费用。

错误及解决方法

401缺少密钥或密钥错误
用 Authorization: Bearer 请求头发送控制台中的密钥。
402余额不足
在账单页面充值，然后重新发送同一请求。
400有值不被接受
查看 error.message，它会指出字段。请使用参数表中的值。
429请求过多
等几秒再试，每次遇到 429 都等得更久一些。

MCPhttps://api.opennan.com/v1/finance/mcp

在 AI 智能体中使用

把 Opennan MCP 服务器加到你的智能体中，然后调用此工具。

工具: finance_chart
示例参数: { "type": "candlestick", "title": "Example price series", "candles": [ { "time": "2026-01-01T00:00:00Z", "open": 100, "high": 103, "low": 98, "close": 101, "volume": 1050 }, { "time": "2026-01-02T00:00:00Z", "open": 103, "high": 106, "low": 101, "close": 104, "volume": 1100 }, { "time": "2026-01-03T00:00:00Z", "open": 102, "high": 105, "low": 100, "close": 103, "volume": 1150 }, { "time": "2026-01-04T00:00:00Z", "open": 108, "high": 111, "low": 106, "close": 109, "volume": 1200 }, { "time": "2026-01-05T00:00:00Z", "open": 105, "high": 108, "low": 103, "close": 106, "volume": 1250 }, { "time": "2026-01-06T00:00:00Z", "open": 110, "high": 113, "low": 108, "close": 111, "volume": 1300 }, { "time": "2026-01-07T00:00:00Z", "open": 109, "high": 112, "low": 107, "close": 110, "volume": 1350 } ] }

金融图表：常见问题

免费吗？

持OpenNan密钥免费使用，每个账户每分钟最多30次金融请求。

示例来自哪里？

示例输出记录自已发布的端点。点击Run live请求当前数据。加密货币预览标记为Sample data。

有哪些限制？

股票支持SEC申报公司及以美元计价的US-GAAP数据。缺失值为null。宏观数据涵盖最近三个日历年并提供覆盖信息。图表接受2–5,000根K线。SMA需要period根，RSI和收益率需要period加一根。period范围为2–500。包含from，不包含to。