JavaScript Requires Chilkat v11.4.0+

Finnhub API - Get Stock Quote

Demonstrates how to get a stock quote from the Finnhub API.

Note

This example is intended for running within a Chilkat.Js embedded JavaScript engine. All Chilkat JavaScript examples require Chilkat v11.4.0 or greater.

JavaScript

var success = false;

//  Replace with your actual Finnhub API key.
var apiKey = "YOUR_FINNHUB_API_KEY";
var symbol = "AAPL";

var http = new CkHttp();

//  This is the URL without params.
var urlWithoutParams = "https://finnhub.io/api/v1/quote";

var req = new CkHttpRequest();

//  Add params that will be sent in the URL.
req.AddParam("symbol",symbol);
req.AddParam("token",apiKey);

req.HttpVerb = "GET";

//  Send the request to get the JSON response.
var resp = new CkHttpResponse();
success = http.HttpReq(urlWithoutParams,req,resp);
if (success == false) {
    console.log(http.LastErrorText);
    return;
}

var json = new CkJsonObject();
resp.GetBodyJson(json);

var statusCode = resp.StatusCode;
console.log("response status code: " + statusCode);

json.EmitCompact = false;
console.log(json.Emit());

//  Sample result:

//  {
//    "c": 248.8,
//    "d": -4.09,
//    "dp": -1.6173,
//    "h": 255.493,
//    "l": 248.07,
//    "o": 253.9,
//    "pc": 252.89,
//    "t": 1774641600
//  }

if (statusCode == 200) {
    //  Add the symbol to the top of the result.
    json.AddStringAt(0,"symbol",symbol);

    //  Rename members for clarification.
    json.Rename("c","currentPrice");
    json.Rename("d","change");
    json.Rename("dp","percentChange");
    json.Rename("h","high");
    json.Rename("l","low");
    json.Rename("o","open");
    json.Rename("pc","prevClose");
    json.Rename("t","unixTime");

    console.log(json.Emit());

}
else {
    console.log("Failed");
}