Gráfico financiero

Disponible

Visualiza velas OHLCV proporcionadas.

FreeGratis con una clave OpenNan. 30 solicitudes financieras por minuto y cuenta.

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

Cómo funciona

01Elige los datosIntroduce un símbolo, una serie o velas OHLCV ordenadas.
02Inspecciona el resultadoSelecciona un registro del gráfico para resaltar sus valores JSON exactos.

Llama a Gráfico financiero desde tu código

REST y MCP comparten entradas, resultados y errores de validación.

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

Consigue una clave de API
Crea una clave en la consola. Usa el mismo saldo que el playground.
Crear una clave

Envía tu primera solicitud

La misma solicitud que envía el playground. Pon tu clave en OPENNAN_KEY.

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}]}'

Lee el resultado
El resultado llega en la misma respuesta. La cabecera X-Usage-Cost-Usd indica lo que costó la llamada.

Errores y cómo resolverlos

401Falta la clave o es incorrecta
Envía la cabecera Authorization: Bearer con una clave de la consola.
402Saldo insuficiente
Añade saldo en Facturación y vuelve a enviar la misma llamada.
400Un valor no se acepta
Lee error.message: indica el campo. Usa un valor de la tabla de parámetros.
429Demasiadas solicitudes
Espera unos segundos y vuelve a intentarlo, esperando más tras cada 429.

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

Úsalo desde un agente de IA

Añade el servidor MCP de Opennan a tu agente y llama a esta herramienta.

Herramienta: finance_chart
Argumentos de ejemplo: { "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 } ] }