How to build a WhatsApp AI assistant

• whatsapp-web.js

  27 13,785 8.3 JavaScript

  A WhatsApp client library for NodeJS that connects through the WhatsApp Web browser app

Node.js WhatsApp API - Since WhatsApp only offers an API for business accounts that requires multiple verification and review steps to get access, we’ll put together our own API using the whatsapp-web.js library. It will forward user messages to our API and send responses from the assistant to the user.

• zod

  292 30,778 9.1 TypeScript

  TypeScript-first schema validation with static type inference

Zod, a popular typescript schema validation library that will let us define the shape of the payload sent to our background job.

• SurveyJS

  surveyjs.io featured

  Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.

  

• trigger-dev-whatsapp-api

  1 0 4.3 JavaScript

  Example WhatsApp API

WhatsApp Node.js API

• trigger-dev-hono-api

  1 0 3.5 TypeScript

  Hono API for trigger.dev WhatsApp assistant

Hono API

• puppeteer

  363 87,000 9.9 TypeScript

  Node.js API for Chrome

  

This library works by creating an instance of WhatsApp web running inside an instance of headless chrome automated by puppeteer. In my testing, I ran into tons of compatibility issues when trying to use these dependencies inside anything other than a bare-bones Node.js + express server. Also, we can’t spin up a new instance of chrome and WhatsApp web each time a user sends a message, this will exhaust our allowed WhatsApp connections (4 max), not to mention that doing this will make the response times painfully slow.

• ngrok

  100 2,292 3.2 JavaScript

  Expose your localhost to the web. Node wrapper for ngrok. (by bubenshchykov)

We need to make our WhatsApp API accessible on the internet so the trigger.dev cloud service can connect to it. We can do that by running ngrok in a separate terminal.

• hono

  42 15,929 9.8 TypeScript

  Web Framework built on Web Standards

  

Initialize your hono project using bun:

• InfluxDB

  www.influxdata.com featured

  Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

  

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