index.js

//This is the npm package that will allow you to by-pass the 301 redirect error
const https = require('follow-redirects').https;

//This is your URL link to query the system and your username
var url = 'https://public-api.tracker.gg/apex/v1/standard/profile/<YourSystem>/<YourName>';

//This is our GET-request module
https.get(url, {
    headers: {
        "TRN-Api-Key" : "<YourApiKeyHere>" //<----This is where you will pass your API key to
    }
}, function (res) {
    //On the server response we run this function
  
    //We create a Data link to save the redirect URL links so we can recursivly pass through the URL redirect until we hit the endpoint
    var data = '';
    res.on('data', function (chunk) {
        data += chunk.toString();
    });
    //On the endpoint we pull our data
    res.on('end', function () { //Reached Endpoint of API
        
        //Save a temp variable to store the JSON data into
        var json; 

        //We will do a try-catch to check if the JSON is valid 
        try {             
            //If it is we parse the data to make it 'pretty printed' so we can read it
            json = JSON.parse(data);
            //We then want to print it out to the console
            console.log(json.data);
        }
        catch (e) {
        // Not json or JSON formatting issue print it here
            console.log("this is an error: " + e);
        }
    });
    }).on('error', function (err) {
    //If there was a big error while accessing the server display it here
    console.error(err);
});