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It has a robust API that lets you send text messages. I worked on a sid","image":null,"posts_tags":[],"date":"March 14, 2018","html":"
Twilio can be a lot of fun. It has a robust API that lets you send text messages. I worked on a side project that involved scheduling text messages in a ReactJS app. I'm not a developer by trade, just an enthusiast, so I ran into some challenges using Twilio's API to send messages from a React component. Many of these problems would be trivial for a seasoned developer, but if you're a beginner like me, you might find this information helpful.
\n\nIn this tutorial, I'll show you what a basic Twilio-ReactJS integration looks like. The difficulty level of this tutorial is beginner to intermediate.
\nWhat we'll be using:
\nWe'll need the node package fetch on the client-side, and the packages body-parser and twilio for the backend.
\nBefore we get started, here's a link to the Github repository for a barebones Twilio/React integration.
\nWe don't want to make client-side HTTP requests to Twilio because that would expose our Twilio API keys.
\nTherefore, we pass information from the client to the server, and then make the HTTP requests to Twilio server-side.
\nFor this example, we'll use Express to make the final API request to Twilio from our ReactJS app.
\nExpress describes itself as:
\nA minimal and flexible Node.js web application framework that provides a robust set of features for web and mobile applications.\n
So Express is like a layer that sits on top of Node.js.
\nWe'll use fetch (npm install whatwg-fetch --save) to make web requests within our ReactJS components. Here's an example to get you started:
\nfetch('/sendsms', {\n method: 'POST',\n headers: {\n Accept: 'application/JSON',\n 'Content-Type': 'application/JSON'\n },\n body: JSON.stringify({\"data\": this.state.data})\n})
\nIf you want to see this in context, here's the file on github.
\nAs you can see, with fetch, the pattern is fairly straightforward:
\nfetch(url, { method, headers, body })
\nFetch is invoked inside a ReactJS component. For this example, I invoked it inside a function sendSms() that was called when a button was pressed:
\n<button onClick={this.sendSms.bind(this)}>Send SMS</button>
\nIn this case, fetch posts data to the relative endpoint /sendsms. When we configure our server with Express, we'll define this endpoint and use Twilio's node package (npm install twilio --save) to make the final request to Twilio.
\nTo pass data via fetch, use this.state.myData. Don't forget to send the data stored in state as a JSON by calling JSON.stringify({...})
\nHere's what our full express configuration file server.js looks like:
\nimport express from 'express';\nimport path from 'path';\nimport keys from './twiliokeys';\nimport bodyParser from 'body-parser';\nconst app = express();\napp.use('/', express.static('public'));\napp.post('/sendsms', bodyParser.json(), (req, res) => {\n var client = require('twilio')(keys.sid, keys.token);\n client.sendMessage({\n to: req.body.data,\n from: '+12223334444',\n body: 'word to your mother.'\n }, function (err, responseData) {\n if (!err) {\n res.json({\"From\": responseData.from, \"Body\": responseData.body});\n }\n })\n})\napp.listen(process.env.PORT || 3000);
\nHere's a link to the file on Github.
\n