Node.js

Simple REST Example

See more REST Examples

Demonstrates a very simple RESTful API call to get a stock time series daily (quotes) from Alpha Vantage. Node.js

NODEJS_PRELUDE

function chilkatExample() {

    var success = false;

    //  This example requires the Chilkat API to have been previously unlocked.
    //  See Global Unlock Sample for sample code.

    var rest = new chilkat.Rest();

    //  Connect to the REST server.
    var bTls = true;
    var port = 443;
    var bAutoReconnect = true;
    success = rest.Connect("www.alphavantage.co",port,bTls,bAutoReconnect);
    if (success !== true) {
        console.log(rest.LastErrorText);
        return;
    }

    //  Get a stock quote:
    //  Sending GET request to https://www.alphavantage.co/query?function=TIME_SERIES_DAILY&symbol=MSFT&apikey=my_api_key
    success = rest.AddQueryParam("function","TIME_SERIES_DAILY");
    success = rest.AddQueryParam("symbol","AAPL");
    success = rest.AddQueryParam("apikey","my_api_key");
    var responseJson = rest.FullRequestNoBody("GET","/query");
    if (rest.LastMethodSuccess !== true) {
        console.log(rest.LastErrorText);
        return;
    }

    console.log(responseJson);

    //  Sample response:
    //  {
    //      "Meta Data": {
    //          "1. Information": "Daily Prices (open, high, low, close) and Volumes",
    //          "2. Symbol": "AAPL",
    //          "3. Last Refreshed": "2019-12-06",
    //          "4. Output Size": "Compact",
    //          "5. Time Zone": "US/Eastern"
    //      },
    //      "Time Series (Daily)": {
    //          "2019-12-06": {
    //              "1. open": "267.4800",
    //              "2. high": "271.0000",
    //              "3. low": "267.3000",
    //              "4. close": "270.7100",
    //              "5. volume": "25447644"
    //          },
    //          "2019-12-05": {
    //              "1. open": "263.7900",
    //              "2. high": "265.8900",
    //              "3. low": "262.7300",
    //              "4. close": "265.5800",
    //              "5. volume": "18661343"
    //          },
    //          "2019-12-04": {
    //              "1. open": "261.0700",
    //              "2. high": "263.3100",
    //              "3. low": "260.6800",
    //              "4. close": "261.7400",
    //              "5. volume": "16810388"
    //          },
    //  ...
    //          "2019-07-18": {
    //              "1. open": "204.0000",
    //              "2. high": "205.8800",
    //              "3. low": "203.7000",
    //              "4. close": "205.6600",
    //              "5. volume": "18582161"
    //          }
    //      }
    //  }

}

chilkatExample();