To get started, create a new directory for the bot we will build. The webhook provides the core of your chatbot experience as it is how your bot gets notified of the various interactions and events that happen, including when someone sends a message. The first step to creating a Messenger bot is to create a server that will be provided as a webhook when setting up the bot. No prior experience with building chatbots is necessary, but you need a basic understanding of JavaScript to be able to complete this tutorial Set up your webhook server Prerequisitesīefore you continue, you need to have Node.js and npm installed. They both provide several NLP functions that parse user input and match them to the right response without any coding. Of these platforms, Dialogflow (formerly known as Api.ai) and Wit.ai are the most popular today. Implementing NLP in your bot can be pretty difficult, but there are several platforms that make it much easier. Many chatbots leverage Natural Language Processing (NLP) to interpret the intent of a customer’s input, allowing the bot to give an accurate response. You can find the entire source code of the application on this GitHub repository. In this tutorial, I will describe how you can build a Facebook Messenger chatbot that incorporates NLP with Dialogflow and deploy it to Facebook.
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