Courses / Build a WhatsApp Business Chatbot with Node.js & Twilio
Lesson 3 of 9

Creating a Basic Express Server

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Video by Web Dev Simplified on YouTube · 36 min. We did not make this video and we do not host it — watching it here still counts as a view for the creator.

Follow the tutorial to scaffold an Express app with npm init and npm install express. Newbies often forget to add app.use(express.json()), causing req.body to be undefined when Twilio posts data.

A clean server structure (routes folder, app.js entry) mirrors real‑world micro‑services, making future scaling easier.

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