Twelvedata

A npm package to access Twelve Data's stock market APIs. NodeJS and Browser (Vanila JS or frameworks like ReactJS) supported using Javascript or Typescript.

https://twelvedata.com/docs

Install

$ yarn add twelvedata

// or

$ npm install twelvedata --save

Import on NodeJS or ReactJS

// CommonJS import for NodeJS.
const twelvedata = require("twelvedata");

// or

// ES6 import for React/NodeJS versions > 15.3.0
import twelvedata from "twelvedata";

// "type": "module" on your package.json file will be required.

Load straight on the browser in your HTML page

// Your .html file
<script type="module" src="./app.js"></script>

// App.js file
import twelvedata from "https://unpkg.com/twelvedata@latest/dist-esm/twelvedata.js?module";

Use it

// setup the config

const config = {
  key: "API_KEY",
};

// initialize and use the client

const client = twelvedata(config);

// time series

let params = {
  symbol: "AAPL",
  interval: "1min",
  outputsize: 5,
};

client
  .timeSeries(params)
  .then((data) => {
    // consume array of data
  })
  .catch((error) => {
    // handle error
  });

// earnings

params = {
  symbol: "AAPL",
};

client
  .earnings(params)
  .then((data) => {
    // use earnings data
  })
  .catch((error) => {
    // handle error
  });

// api usage

client
  .apiUsage()
  .then((data) => {
    console.log(data);
    // {"timestamp":"2020-10-07 03:53:25","current_usage":0,"plan_limit":55}
  })
  .catch((error) => {
    // handle error
  });

// complex data (batched requests)

params = {
  symbols: ["AAPL", "MSFT", "GOOG"],
  intervals: ["5min", "1day"],
  outputsize: 5,
  methods: [
    "time_series",
    {
      name: "ema",
      time_period: 12,
    },
  ],
};

client
  .complexData(params)
  .then((data) => {
    // consume array of data
  })
  .catch((error) => {
    // handle error
  });

// price

params = {
  symbol: "AAPL",
};

client
  .price(params)
  .then((data) => {
    console.log(data);
    // {"price":"113.16000"}
  })
  .catch((error) => {
    // handle error
  });

// technical indicators

params = {
  symbol: "AAPL",
  interval: "1min",
  outputsize: 5,
  indicator: "stoch",
};

client
  .technicalIndicators(params)
  .then((data) => {
    // use technical indicator data
  })
  .catch((error) => {
    // handle error
  });

The available API methods are following an universal approach, which is inline with the available backend endpoints.

• cryptocurrencyExchanges
• earliestTimestamp
• earningsCalendar
• etf
• exchanges
• forexPairs
• indices
• symbolSearch
• quote

Notice

This is NOT an official Twelve Data library, and the authors of this library are not affiliated with Twelve Data in any way, shape or form. Twelve Data APIs and data are Copyright © 2020 Twelve Data Pte. Ltd.

Contributing

If you want to contribute, feel free to submit a pull request.

Donating

If you found this project useful, consider donating.

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