Node js webhook

API
4

This isn’t a NodeJS support forum, it’s the Twitch API support forum. And giving you the answer won’t help you in the long run.

You can a library like express to create a Web Server to listen and respond to requests.
Then a library like got to perform the creating of webhook subscriptions.

pseudocode:

express.route('/mycallback/')
    .get((req,res) => { res.send(req.query['hub.callback']; })
    .post(bodyparser(), (req,res) => {
        res.send('Ok');
        //do stuff with req.body
        var payload = JSON.parse(req.body);
     });

This isn’t right it’s just off the top of my head