{"id":1529,"date":"2022-12-13T07:46:53","date_gmt":"2022-12-13T07:46:53","guid":{"rendered":"https:\/\/www.workfall.com\/learning\/blog\/?p=1529"},"modified":"2025-09-24T07:11:50","modified_gmt":"2025-09-24T07:11:50","slug":"how-to-build-a-communication-microservice-to-send-text-messages-using-twilio-and-express","status":"publish","type":"post","link":"https:\/\/learning.workfall.com\/learning\/blog\/how-to-build-a-communication-microservice-to-send-text-messages-using-twilio-and-express\/","title":{"rendered":"How to build a communication microservice to send text messages using Twilio and Express?"},"content":{"rendered":"<span class=\"rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading Time: <\/span> <span class=\"rt-time\">7<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span>\n<figure class=\"wp-block-image\"><img src=\"https:\/\/lh5.googleusercontent.com\/VIvcvNi33pi8X64OAsClx7gsau4sOAoZJ7uBzIOHq8FyP-of5oVn8Q4xh2F81JTe5mDA7s-tuZuuKy6zmo4G49dnQO6InmPuATy9UHCtq61Ete0T-yNUJ3rLsedUYmxuanIExX9TrCqJIHo-GIXAoBvc32Do3H2qNA-Ez4g_1AXHmFZzL7du_HN7Au3Kq16D\" alt=\"How to build a communication microservice to send text messages using Twilio and Express?\"\/><\/figure>\n\n\n\n<p class=\"has-text-align-justify\">Twilio is all about empowering communication in a convenient and timely manner. In this blog, we will demonstrate how to build a communication microservice to send text messages using Twilio and Express. Let\u2019s get started! \ud83d\ude80<\/p>\n\n\n\n<p><strong>Required Installations:<\/strong><\/p>\n\n\n\n<ul><li><strong>Node.js: <\/strong>It is a JavaScript runtime environment that executes JavaScript code outside the browsers.<\/li><li><strong>Dotenv: <\/strong>This package is for loading the environment variables.<\/li><li><strong>Twilio: <\/strong>This package will be used for sending text messages to users.<\/li><\/ul>\n\n\n\n<h2>Hands-on<\/h2>\n\n\n\n<figure class=\"wp-block-image\"><img src=\"https:\/\/lh4.googleusercontent.com\/mUsFIALXejc5wxYflDG8P8FY4GaWKTuIZr3yJeaA0-Ev0zg-Ect3hwmAxymAzMfcT-ATB0Ls-gpKLkaVhim_m46zyYnXwClCiX--5zm8kgyFWtegwOTGpoKg9dSsz5F3aN46P4eyGQhID50o0ZpmtQZ02LrA58W1CslSnqFwBON8cbFlkNFAqf3Ry2NkpcUw\" alt=\"How to build a communication microservice to send text messages using Twilio and Express?\"\/><\/figure>\n\n\n\n<p class=\"has-text-align-justify\">In this hands-on, we will see how we can build a communication microservice to send text messages using Twilio and <a href=\"https:\/\/www.workfall.com\/learning\/blog\/how-to-perform-a-session-based-user-authentication-in-express-js\/\">Express<\/a> to the end users&#8217; mobile phones. We will begin with creating a new directory. Proceeding further, we will create a new Twilio account navigating to its dashboard. After completing the initial setup, we will then request a new Twilio phone number using which we will send the message. Noting down the credentials, we will move on to the newly created directory and initialize the project. Then we will install the required packages into the directory. Verifying the successful installations, we will create a <em>.env<\/em> file to store the credentials fetched from the Twilio account.<\/p>\n\n\n\n<p class=\"has-text-align-justify\">Finally, adding up the code in the file, we will start the server and check into the receiver&#8217;s phone if the end-user has received the text message with the assigned body in it. On success, we will demonstrate how we can proceed towards deleting the Twilio account to avoid unnecessary costs if you are following the same for a demo purpose.<\/p>\n\n\n\n<p class=\"has-text-align-justify\"><strong><em>Note:<\/em><\/strong><em> Please ensure that Node.js is properly installed onto the local machine or else it might display multiple errors while following the process.<\/em><\/p>\n\n\n\n<p>Create a new directory on the local machine.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img src=\"https:\/\/lh6.googleusercontent.com\/YXOT_thKNL0p-KASG0I1xucBELQNnHH_AYwhLeP_qv-9LWWsvgjjSZfbyA328ndeKf6eZSWB7-jV6ajf8sAIZo5b-iwEP6gAAPdsd9V7Vql9z1f51c9tTSEJ9yfx6btpgVevfHkhwe2hUm1zqbf9jf0J6p598HQVJss9Hy_qRPuF8xQeARIxVDTPVl7TYlh030mmVv2mcA\" alt=\"\"\/><\/figure>\n\n\n\n<p>Open the newly created directory in the code editor.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img src=\"https:\/\/lh3.googleusercontent.com\/tZpc1UwgZhaGQSEsfiGO8nt-can2hLIf43XuDABxGNVDP8s6OR4kPGJY-2HHUzpWNbFFN4aDDsPDfsMrLMYp8VDR1cmefQFsu350Lu2N008O6csjthvCQZ5NCI-ofsbV9DMyyhF2CxiclqPlaNZUa173KOyQONlLDuw1uFFxpvygfE8SY3tOJP6Klt5_vC4h_yshEEHmqg\" alt=\"Build a communication microservice to send text messages using Twilio and Express\"\/><\/figure>\n\n\n\n<p>Now, we need to create a Twilio account. To do so, click on the link below.<\/p>\n\n\n\n<p><a href=\"https:\/\/www.twilio.com\/try-twilio\">https:\/\/www.twilio.com\/try-twilio<\/a><\/p>\n\n\n\n<p>Enter the credentials and sign up for the trial account.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img src=\"https:\/\/lh5.googleusercontent.com\/lb5R1xT0pIsvllpsEctvR6kBNPsexyvC5ZDJyeNxQThXSCRXRHP7MEQpBFQ8rBTcPdba5mWeSajIA-Gi4W4dVw6Xn6IUvpmE5DtEZ0U1zHpT5bEi2pkyiOu_h4kJumG8BWCf59FB247K6H4A7LyGFxlbAy4wuZIni0EFaRPZZNgSSKYckjfrwL7vgHtOv3xfZlKw4t2YTQ\" alt=\"Build a communication microservice to send text messages using Twilio and Express\"\/><\/figure>\n\n\n\n<p class=\"has-text-align-justify\">On success and post verification of email, you will then be navigated to the console dashboard as shown in the image below. Enter the product as Not sure yet and click on next.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img src=\"https:\/\/lh6.googleusercontent.com\/vntaDPx_LS0C55Hrt5d-Vq9LJS7Om3oxbay3NxOXKZGVg01uZ1x1a82NcXqolMsGbFo_F6pa61b6rTe7ATZntMX0Nm3mFZOczETv7lsnU4HiTWhLPEDszcyq9b854BPZHI2y3j-N3n3zhHe6otVmZjtC0X2_CxV3fVYbtgqoKngOFajazEgv2xZSaCoc_iz5ozqhx5hn4A\" alt=\"Build a communication microservice to send text messages using Twilio and Express\"\/><\/figure>\n\n\n\n<p>You will be navigated to the page as shown below. Click on Get a Twilio phone number.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img src=\"https:\/\/lh4.googleusercontent.com\/Ay9HhTA0xfoZhLwnpkLwKKP2wNnPAfwFIypx0zHmXJ5tuV8OieTOH9N5pjgBAt9whn8FLVpyE5ce6lWfiVyllHExmJFRvla1zRKwyctE_P2Jkg8mUIXH3DXl4f7IOjV6XE3Sb9j8VjXQBvyxbivOQXp4FDuXf_Xqdy9JbtZhXSQ3iAzkB_xHtBBcwRfhnwKfsqjNCInkOw\" alt=\"Build a communication microservice to send text messages using Twilio and Express\"\/><\/figure>\n\n\n\n<p>You will then be assigned a phone number.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img src=\"https:\/\/lh6.googleusercontent.com\/MB5JzRA4uTsFdDXkygACXeG23JafQrizXs_TQdFnjn08Rwcuir49KkDXp5HBDlDcA3aiLjWlA8ZRmb_evy3od_rvjz2TGEdNJIEDl5dkAq-mvpHbkLBtjokISwGHTCUm6b7QyA7suneLwD_j5lijH0C985Qmz7Q_MH2GK9-TsptbeoOK2ieIHbkGkigQ57UcKrOZM-zcQQ\" alt=\"Build a communication microservice to send text messages using Twilio and Express\"\/><\/figure>\n\n\n\n<p>If you scroll down on the same page, you&#8217;ll get to see the credentials that we will be using in our code.<\/p>\n\n\n\n<p>Now, in the newly created dashboard, open git bash here.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img src=\"https:\/\/lh4.googleusercontent.com\/31MdCto5ySaX3MgYMP4DMLl4uE4eJKw84Lfr0qgSVW9bWPqcgNkLa74XZ0gfio-oTG_m6oYqKbe-EHqVSXt8bGf4rzSoz6QMWEphwJ9fNpCCEJT4LMZ8j9dqFd8V7tsBO2yhe-b_M5-Vq5mMd_LaiKgUQwqB8vgAoFdFuPZYLPeow2xknALuIzGDB7rxdn4rye__z5Sfpw\" alt=\"Build a communication microservice to send text messages using Twilio and Express\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img src=\"https:\/\/lh3.googleusercontent.com\/nHGSWfVjm6nbJPA3eeKvfCCL2eZIW9nMKKklUwNDOl0HUGUrbUVONAg_lQF-ceQaxKDfczikLCzV0a5G2li7FU1sNBIDWlL1y4_Kp_HErFYq7lT92_VlUGkVk83S4DFMOc7YQcoTgrpyC3NANzoiwhQXn_DKW7U-2EqyMHtmrCGFriWn9ZqPqBd_q9_PMJzap5PujAjDxw\" alt=\"Build a communication microservice to send text messages using Twilio and Express\"\/><\/figure>\n\n\n\n<p>Run the command:<\/p>\n\n\n\n<p><code>npm init<\/code><\/p>\n\n\n\n<p>To initialize the repository.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img src=\"https:\/\/lh5.googleusercontent.com\/tuez3ajPEKNBnkHa2yfAyp7Do5WsT5LAQxcV-M16XPJRnxZLOLEQU74G-hPXtDJW8gMXjDbFIzsvBC30wT6v_klgBx3diYNmWOrsShYTeHz75b5nfHd9xGAKf2x8tRb3uRVTShE7GDMas7atNj1r2FFM-9KUbKle_qm_EgVQb-wJFbmp-9NHIoa6sq8DCsGXj_XVDM3lgg\" alt=\"Build a communication microservice to send text messages using Twilio and Express\"\/><\/figure>\n\n\n\n<p>Keep pressing enter and you&#8217;ll see the JSON structure created.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img src=\"https:\/\/lh5.googleusercontent.com\/KwETkWhHiWs2XKUhWc3mnF51rMOErfPMsZI2ExgzONP3w9F6CfF4yBvlGkyBjX27Dd-bRIi09xJQnDirlM5ryqO7ezEQ0arkc4xCz_Hd8c5uRugpHcHXKMsDyJ33Num9Kfvge6O1o7aF2KLgRO7FzGM64KJ6EqM-WzFYeRneLcXPvJwNL2bzw2baXdzuP6gbw5GqNKs_jQ\" alt=\"\"\/><\/figure>\n\n\n\n<p>Enter yes to confirm the structure.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img src=\"https:\/\/lh5.googleusercontent.com\/EU16K9lXrKgts0O5am408nQpQS8FG32orGFGDFRd7F5Fsx5qlB5LoMzMHteAcHw5R2dVoXSkiaFdv0ivTlq0EmS1MygVaoFwsMUMG5hDmQLoScaepYDYN9GLMLEhf9dkQWWqm3Z5KU8JZm4vfXP3PfXdHethORrA3061Qbg7Zl5Z2toTvwRCf8vefIk4LWPiGDy7mO2-bg\" alt=\"\"\/><\/figure>\n\n\n\n<p>Now open the repository and you&#8217;ll see a <em>package.json <\/em>file created in the directory.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img src=\"https:\/\/lh4.googleusercontent.com\/J5lAfYq9_jOefuNCSIQpF9Gn1RuNE8tw7WtTCv-1n7vDr5cSnFXx91bQq9TRsjZtc8-12wuUVq7aG045kxBs1h6IWq9YsgMeG30eMH_INvzLAIPC8Cpf0OTB2_zMkA41io4rpiKND7MqShQdlPE_6ki7klaxQu7XOiOMq2lLJmJdUVtzxcOqgwXlM7Lk91S5xt5RWsm1VA\" alt=\"\"\/><\/figure>\n\n\n\n<p>Open the <em>package.json<\/em> file and you&#8217;ll see the JSON structure.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img src=\"https:\/\/lh3.googleusercontent.com\/QaiiKdoLElWbTcF9zx4s68Is7--bOWOfgyde6IxcT-qZxyN40hDcteMcndmR9o-TcEF6ZVVyy_brEKtDoJgQ00S7vXuNlcIqn_XraZOW1xyYZe67npjNmsmYS28NbqmpVvTxp04RcxQwTaO0XNu1XGcqgq-tAGCAeZSnoNcrd0LxhmR6F8Gc0ALxa_f_QMMGZMzU6yASiQ\" alt=\"\"\/><\/figure>\n\n\n\n<p>Run the command:<\/p>\n\n\n\n<p><code>npm i --save dotenv<\/code><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img src=\"https:\/\/lh5.googleusercontent.com\/T5MgWQZzQvBUuKHXufRSxNYHPUxgOYdyyacKzJ4Vi_FrUcituMoSNktwA6D93t2Jx1avH-i9Fo6XO1W7Fd-Cp2Df0EAkrZLdduQpGFVlzlJQqsIr-5g-ESgIZMHnjpj_FWpr3xVnI-Lwo_cesHSc4DNQktmxAzmtwCEHOTGxr04QV3ndX-trWuuYLR1Yq1wXo6VYzSzhxA\" alt=\"\"\/><\/figure>\n\n\n\n<p>On successful installation, you will see the nodemodules directory and the <em>package-lock.json<\/em> file.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img src=\"https:\/\/lh5.googleusercontent.com\/1Q-6XB46wW7P3BxkkAD6wym4lsygFX2ZCSz8AWbVYPXh_ekMA3CT9zw5XKPPzyH3IWZVclHDi00RS1IPtp1Afw6F5nah_VkvMdN-4oT5-3gz8xjJt6bZmlG02UZDisgHxr5GzjUssuXtHIWWCTYlf5hraboONFRdKr0wixa77BMaHjLBAwCSCNPJxRqzYxS8LfBl9P348A\" alt=\"\"\/><\/figure>\n\n\n\n<p>Open the <em>package.json<\/em> file and verify the installation.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img src=\"https:\/\/lh4.googleusercontent.com\/UnF8MOQnyc38wqKLtxDz2RjuW2-x2ejDNFPtyTCp25ALLur3WCCpi0LSv6kEqgdfAH6y5Hu5SQEYwzu5xGPuMdx9jcj_RM2l4hEes4NIdEQP8kf3WTW_8ZyPV4ifX5mlYXVMC_v2pOYwo_DQXZP84peph3b51rruGRU9wIgbp_zOwlyd5CFHqqvHpCU_f0fV3VUvUjMjug\" alt=\"\"\/><\/figure>\n\n\n\n<p>Run the command:<\/p>\n\n\n\n<p><code>npm i --save twilio<\/code><\/p>\n\n\n\n<p>On success, you&#8217;ll see the screen as shown in the image below.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img src=\"https:\/\/lh3.googleusercontent.com\/nAThultuvfNJ-zMEmHqHqeWkeOoQC6wAMdPuD8m0yn8PTujDvclK60L3ELu5zwZpl2tBCa89Nd0BsEnP6UjrUkSRJ4fR471A2q1AGo43xhtvbF8umn2N9wnCVc1HP8yPcQRPwZI-ffGM9-IibTtQ_bF0pUpGr2YakWWSJ1E9RyKMLF0TYENyMeHZS4MryNs4Smtr1j6yuw\" alt=\"Build a communication microservice to send text messages using Twilio and Express\"\/><\/figure>\n\n\n\n<p>On success, you will see the package installation in the <em>package.json<\/em> file.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img src=\"https:\/\/lh6.googleusercontent.com\/cgeX9dUY5aipnLactg0GFRLJxJgK8LmcXyCnfAcWUPSnK5EAOpbUW4MwjsMolTUKCdtAmlcn2V2zOdJKEOb4y66PYPWfdaJVHl42i8MkGw_qIv2robrscOWSImEs8Asw3A_badsV9r-4KHmuBb_tmuyuS9ZRUtPVX7ztPGOmqUFtadwEX3KN9r06FkvrXQPWGv--dCQWiA\" alt=\"\"\/><\/figure>\n\n\n\n<p>Now, install nodemon server so that the server auto restarts on each code change.<\/p>\n\n\n\n<p><code>npm i --save-dev nodemon<\/code><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img src=\"https:\/\/lh5.googleusercontent.com\/ALTIVwVZWthgnQBtZnUyTBg5MyahMB6OnP9OIAZxYMOliS-9o09LMV5wrCBWc5so32u1N8YCvLdiSxkXU7hHerRpCD45oGVIlnVaqg_Ryf0VyqDxEv8t4JOx-fuPq1xfNiFPTVItkcZcQhbofzTiocJr8knLhd6_Ver5QzUZEC_Y3z-o4mKc5acmTaTqdrbaFKvrR_8xeg\" alt=\"\"\/><\/figure>\n\n\n\n<p>On success, you will see the nodemon package installation under the devDependencies key.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img src=\"https:\/\/lh3.googleusercontent.com\/2hlrPgxbujr88-pvxVMa-8DPJGK2z4giwPM9PsggfZZemvIWRIaPnkGJPv21xnB8GOnam71GUIottHMzLd2IuZtRt2HviPQtpfOIVtc74p6rt3heXuiOTGSz_UXzDH3QoGrd826qCPSXU8g0_WeeS6WFfujabo5rL81Nfsqk5DGKh3WZRbVyLGtueYhlS9prnbWHwxq1sQ\" alt=\"\"\/><\/figure>\n\n\n\n<p>Make the following changes in the script key so that we can start the server accordingly.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img src=\"https:\/\/lh3.googleusercontent.com\/-qs3j04rUos35fQxfOoJ2PCbQZpUs-e7MHkmnVYUrKQekKJG_V2PPPtMUBBZtGFFkPUB4wHFILuGl9scJGdlMj74RJpncRGCU-ID_AM5WWJwWt5A9gDEY_GaT5ZhIcF5nt-RU9TJHYQA4Ob9rEUw-mAXCCd_zZn_mXc2_vyWmRZKpX8rCqchy0C7bMj3vQf8HpsU90p0-g\" alt=\"Build a communication microservice to send text messages using Twilio and Express\"\/><\/figure>\n\n\n\n<p>In the file structure, right-click and click on create the file.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img src=\"https:\/\/lh4.googleusercontent.com\/K43qlqqwBUzuxCCwviXpaNcdkio6xPWuoLNiZwA0GGSpxyvxorXJ6EGFeOC0V5yVMOEjU_hvbWclTFay05yoBeiXnRFqanwQbTShIXKLCFqMJfhDFl7tBpdTVp9Rn-kbBfamBGre4TXgJ4U9-YuXLwWw0eRvCWVAIdbZKTrKMqpCb66QmpKbPzu9YGLA1rXYUFkf3gTC4Q\" alt=\"\"\/><\/figure>\n\n\n\n<p>Create a <em>.env<\/em> named file.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img src=\"https:\/\/lh5.googleusercontent.com\/4Y_0-J4w_8RQhSBbWTLZE0dp9oEWDPIFKYb5aYF544YUS6wA-2TLRvkWoRClQucAWYQuD04UK83tfLcJaZoF0-aJEbAQlXQ_tX_Keo7pIWu9hqxcUPUI6fIXCN5nQdp8RnU2Zf01gat2m3phUAriF18N7DYxleFTTPfZooOWnsyKgFaFypr6Bl-2boypYAh669G0PmROrQ\" alt=\"\"\/><\/figure>\n\n\n\n<p class=\"has-text-align-justify\">In the <em>.env<\/em> file, add the following details. For all the keys, you can add the values as the ones displayed on the Twilio account project that we created above.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img src=\"https:\/\/lh5.googleusercontent.com\/lAuJS67Ieq9QusDLmEkicHkzmwfmrCeNC_OYs-F3r0Yv0dPltHDQdWoUPN-QfWkYbsKYIysTsOD8ECOpOdSCyL-xUH0CP09BJ0bXHg5sscZsdYoNigCSFCa02CTaPnfZTUKk1vtVGR50mBzTXWY4oBxmvYzL6dSG2N_bUprvng5zMV9RG6Hj8CbdoknmngbJynQeSFl09A\" alt=\"\"\/><\/figure>\n\n\n\n<p>Create and open the <em>index.js<\/em> file.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img src=\"https:\/\/lh4.googleusercontent.com\/oqbKi5KF5TC2AdELE5hKlsi92oLQkMEMl9gxKYChOvw0N61DwzdaKuJokRiAKjYq7rMbh_j0JCZnAZgzACzLuK4JEFjYvtQCIMPG_yuo1UXtzwIGwvNQDT0ZHzNGbaFCdH4UuUAzF3_Lt5nMgx2adHmu5bNB2ysEkUMJ1Ep6DYtrZ_6oAyBWSYd9R1eQGGXhiBE9PikXlw\" alt=\"Build a communication microservice to send text messages using Twilio and Express\"\/><\/figure>\n\n\n\n<p>Import the Twilio and dotenv packages in the <em>index.js<\/em> file.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img src=\"https:\/\/lh5.googleusercontent.com\/7Bhv9FV77GzgDZS1zRhJ8ruxLVTozQ_8XhvtoE5j6fk3KfXVIpabB4wVTpzxYdOlvuKV2Qg2paE_mSA3PvcH-uKxJxhWEMBHvEVVjDnF66zFz_DrGg0zgurv3t81pHK3T2JF6kRooISPmKGkyIo_wZWQ2yl2q0EKWI4O4PC93dkvhlIpaGWqmox3DY6YOsJ5a_MVRmUFKA\" alt=\"\"\/><\/figure>\n\n\n\n<p>Initialize the config for dotenv.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img src=\"https:\/\/lh4.googleusercontent.com\/RFERDTGRGOn4KoTn-RDxfBNiO2OzxuA-TxNO6fRxJ4b9KSypSAy8u41jglSGLtwdc9IyhjG3YveXlrH98BzE4AjNDl_1fgBG9f5dbw6B0dxLXaH3P4aRfg4BGaDqJvpsL8q5cAww1B3y6SLS5tk1PAvPR5YigzpXCT_LmSA44UM8EdFIpzJDPUjRLJT-aM18Kmym9hTLVQ\" alt=\"\"\/><\/figure>\n\n\n\n<p class=\"has-text-align-justify\">Create a new function sendMessage with the Twilio parameters imported from the .env file. Then we need to initialize the Twilio object with the account SSID and the auth token as the parameters. For the reply variable, we&#8217;ll be initializing the body, the sender&#8217;s phone number, and the receiver&#8217;s phone number.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img src=\"https:\/\/lh3.googleusercontent.com\/Ft6AnnUv5RYnl3ledVi6lsFm70SQDTGJ2lmM3Kmf77lOVC7RgNoWz-SoYk7smuXNwlVzUAnCKRT7xgBW2Z7EiLOu0r7OqcGGwP2mNAq0W8-fkXR3ccmGyTrNMoUlLj_YWswyz4tIPGXp3KQM6lmBMZvy31gec3K7rN4IOT-3xzdWNQdxrBe6TXAvY6vlEertVPjhbIR0jA\" alt=\"Build a communication microservice to send text messages using Twilio and Express\"\/><\/figure>\n\n\n\n<p class=\"has-text-align-justify\">For adding the sender&#8217;s phone number, the phone number has to be verified on the Twilio account. Navigate to the below link:<\/p>\n\n\n\n<p><a href=\"https:\/\/console.twilio.com\/us1\/develop\/phone-numbers\/manage\/verified\">https:\/\/console.twilio.com\/us1\/develop\/phone-numbers\/manage\/verified<\/a><\/p>\n\n\n\n<p>You can add more than 1 phone number to the list.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img src=\"https:\/\/lh5.googleusercontent.com\/Aag1N8ZBSXeDluBpLYUx3I-B2WbVOOuS7zahXrkKvPWymjf9FuNg62Ura7wBkx4hc5SMf1vHS3YS749hE1EFgVbYstWvfIz4_S8GuoKaU0fZzIWBdTToupeOYAwl6ZEoMKvQ3Dpva7MXuyVqemnKXWXQyMUBoG9K-0YHdEae1X0VnM9btqkVKbiEa1hLVxoFPNd_Qu1JKA\" alt=\"\"\/><\/figure>\n\n\n\n<p class=\"has-text-align-justify\">In case you wish to send the message to multiple phone numbers, all you have to do is initialize an array of phone numbers as shown in the image below.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img src=\"https:\/\/lh3.googleusercontent.com\/37KhZULZh6lojMgQwkKWpcUutKEYA0V9ssGLTsz4h-XEDvhF2wNOmdTCLz-DzodXKan-90ZbUBOiQtQkWupZiuXy-kqOnSYbIrd7iD-XvWNKFu2sdkQPG90ibYvUz8bLoh7nf_4CrSGKm5kiaHJyTbUZCAbW5frztBTtnuEx9lIYS7eQzf4TbPF9sK3WkrPFKnLyPb-t_w\" alt=\"\"\/><\/figure>\n\n\n\n<p>Finally, call the sendMessage function passing the message as the parameter.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img src=\"https:\/\/lh5.googleusercontent.com\/qk1FZhGMvTZ6R6WqKhVzxxXLVq0IV86ZIAqQx4_M3RQ1fz5Kd7_41bkZGcmeWQCFmdEoOXX2bCJGstQUyf3nHiYsyV43VnTlWB0GWMtQ6auQpEH43qRw5pjDJoldF4_h9zPUdUE_7juK0h0rCgG7m8B0q9VsdX5B5y54bAMtWjP72S-5WWVZDOGGR8TlLpy6nQajxb5cDQ\" alt=\"\"\/><\/figure>\n\n\n\n<p>Save the changes and start the server using the below command.<\/p>\n\n\n\n<p><code>Npm run dev<\/code><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img src=\"https:\/\/lh6.googleusercontent.com\/s_6g6_MkD0FFJedOJq4sY4ksKak2wjOdv2U22q0nlrn8u2xN4yooAMeMqwoseQrclwMYiT0gd0vB8pi03jWkKBaBSxN3CuVFSm9FVjX1NaXq3W7wDXQoulW451qZ3nBGcqmLTm91il0w9xy6K7F14zRu-2BsNBDXkheaDb06zgEAqbJsbBLpRmwHEhT1ydbZjOg40ccEHw\" alt=\"\"\/><\/figure>\n\n\n\n<p>If the connection was successful and the message was sent successfully, you will see the following in the console.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img src=\"https:\/\/lh6.googleusercontent.com\/JD8r25UFwWKs5jY3ILysM8GVMA7TmeCOiGyynreX27nvGOuJ4QapdhQQERAX4-oEpJs_J96u4QJ_PdYiakFgj1SsB2eli6sqDgKN9Tv3kBhCTn-vquWQ9J5IXUcTPwE9dSfAHOAMvfEaHAEoyZm5VqxqKpT3r_VmjZta-fB2KD-erhpU91YUiIcoAeeMOZLrIUtPnI2ERQ\" alt=\"Build a communication microservice to send text messages using Twilio and Express\"\/><\/figure>\n\n\n\n<p>Now, check on your mobile phone for the number you entered. You&#8217;ll see the following message on it.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img src=\"https:\/\/lh3.googleusercontent.com\/l9Zkr7Sxnn4Y4HrMVn8xaFZfS5S2UoEJ4dXmKEiijfI5FYkgNgfeT0gCXp6bW0kYhYXBUyZY4JI6hGCVT1ti1BWR4tMrvmXfWyV263ZXCm0DSIoUiplncqCFEHPsDD7iJcA_eA_P9qfqeE9LK6afXP5hHx6ZiKRo7d0E5bBqd08qi1HEoPIG-0vCpmadz-nIktk8D0rRvQ\" alt=\"IMG_20221107_125208\"\/><\/figure>\n\n\n\n<p class=\"has-text-align-justify\">Since it was a test demo, to avoid unnecessary charges, you will have to delete what you created. Click on General settings.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img src=\"https:\/\/lh6.googleusercontent.com\/TdbII-G4zvCRUaCSqZqVG8rXAYuo8PdKqb4WflDsJVjyqbpb798Y0_dd1bQeTEpWz0IARrjhMkuGvozohDSbGatETGPuvOD_5YNA3tmMC08WME0HIbJV2gZtaYoe-cKlCtsadS6PC7DlBSBe2umsDKyRJ8a-NqPIXQ9q3LJyYXFfiqrx8S9w1q9cK0X-UmCrm1oppuqJOg\" alt=\"\"\/><\/figure>\n\n\n\n<p>Scroll down to the bottom and click on close.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img src=\"https:\/\/lh6.googleusercontent.com\/OlXayD7i1cRQJPXMiZAW9fLkCTXfF-uXerWtEkfXp9cMbxhbhLja4d4RkGrGDJ_Ieioua7eMF_zRU5VgNT_vgQyl0D_2ohRGM3wha4OAs3ivaDFuCYYG6MiXMUp7lIJvJ_9RIn2FLGiqR8IL816Xb7CiHYhukuY6A0xRGOVTKEVyBx3kZ5Iy_2EjNZnOL-1d6bZKIqUD2A\" alt=\"Build a communication microservice to send text messages using Twilio and Express\"\/><\/figure>\n\n\n\n<p>Select all and click on Close account.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img src=\"https:\/\/lh4.googleusercontent.com\/hnko5Gtcifh_2rXLJH2cDNhe7v79p2HkKhPJwURyqd3ikf0L8MngtsWyr0d-tx4OmY0-lvXmAR4CTAiQXTrMqJSdmd1XFo2PyTUf5lJcUaiG1GRB9G1Ex9ydK2S8Xy9MBB4Q1pK9MKtK4n7VHBU3L2EwgrXBf_mfmmaIZM-HX1_Ca5GdnmhayXvHIX78zMlMfgCrYG5P-A\" alt=\"\"\/><\/figure>\n\n\n\n<p>On success, you will see the following.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img src=\"https:\/\/lh5.googleusercontent.com\/REnTon-sz_lC9onVUCcFNf8QQbGSSr8hXTci9GkuxZ0wNhXOmAAeLxFMCUmza4vpGROEvaCDbiYXou266NmGnRQylYGjqFDS2mWgapnUvdxpIYy4Oqt9DCdtd69XPlPwGmxSTnzBjin3EJ8Q4UTIA3xznc4UI5cb_QSWfh3Nl0r_U4lFAlpPgE0lN1QsrVYwz6-yodtfHw\" alt=\"\"\/><\/figure>\n\n\n\n<h2>Conclusion<\/h2>\n\n\n\n<p class=\"has-text-align-justify\">In this hands-on, we saw how we can build a communication microservice to send text messages using Twilio and Express to the end users&#8217; mobile phones. We began with creating a new directory. Proceeding further, we created a new Twilio account navigating to its dashboard. Completing the initial setup, we then requested a new Twilio phone number using which we sent the message. Noting down the credentials, we moved on to the newly created directory and initialized the project.<\/p>\n\n\n\n<p>Then we installed the required packages into the directory. Verifying the successful installations, we created a .env file to store the credentials fetched from the Twilio account.<\/p>\n\n\n\n<p>Finally, adding up the code in the file, we started the server and checked into the receiver&#8217;s phone if the end user received the text message with the assigned body in it.<\/p>\n\n\n\n<p>On success, we demonstrated how we can proceed towards deleting the Twilio account to avoid unnecessary costs if you are following the same for a demo purpose. We will come up with more such use cases in our upcoming blogs.<\/p>\n\n\n\n<p><strong>Meanwhile\u2026<\/strong><\/p>\n\n\n\n<p class=\"has-text-align-justify\">If you are an aspiring Express Lover and want to explore more about the above topics, here are a few of our blogs for your reference:<\/p>\n\n\n\n<ul><li><a href=\"https:\/\/www.workfall.com\/learning\/blog\/how-to-configure-cors-in-node-js-with-express\/\">How to Configure CORS in Node.js With Express?<\/a><\/li><li><a href=\"https:\/\/www.workfall.com\/learning\/blog\/how-to-perform-a-session-based-user-authentication-in-express-js\/\">How to Perform a Session-based User Authentication in Express.js?<\/a><\/li><li><a href=\"https:\/\/www.workfall.com\/learning\/blog\/how-to-fetch-contents-of-json-files-stored-in-amazon-s3-using-express-js-and-aws-sdk\/\">How to fetch contents of JSON files stored in Amazon S3 using Express.js and AWS SDK?<\/a><\/li><li><a href=\"https:\/\/www.workfall.com\/learning\/blog\/how-to-perform-pdf-operations-using-hummusjs-and-express\/\">How to perform PDF operations using HummusJS and Express?<\/a><\/li><\/ul>\n\n\n\n<p>Stay tuned to get all the updates about our upcoming blogs on the cloud and the latest technologies.<\/p>\n\n\n\n<p><strong>Keep Exploring -&gt; Keep Learning -&gt; Keep Mastering&nbsp;<\/strong><\/p>\n\n\n\n<p class=\"has-text-align-justify\">At <a href=\"https:\/\/www.workfall.com\/\">Workfall<\/a>, we strive to provide the best tech and pay opportunities to kickass coders around the world. If you\u2019re looking to work with global clients, build cutting-edge products and make big bucks doing so, give it a shot at <a href=\"https:\/\/www.workfall.com\/partner\/\">workfall.com\/partner<\/a> today!<br><br><style type=\"text\/css\"><\/style><section id='' \n                class='helpie-faq accordions faq-toggle open-first groupSettings-513__enabled' \n                data-collection='' \n                data-pagination='0' \n                data-search='0' \n                data-pagination-enabled='0'\n                role='region'\n                aria-label='FAQ Section'\n                aria-live='polite'><h3 class=\"collection-title\">Frequently Asked Questions:<\/h3><article class=\"accordion \"><div class='helpie-faq-row'><div class='helpie-faq-col helpie-faq-col-12' ><ul><li class=\"accordion__item \"><div class=\"accordion__header \" \r\n                id=\"accordion-header-post-2908\"\r\n                role=\"button\"\r\n                aria-expanded=\"false\"\r\n                aria-controls=\"accordion-content-post-2908\"\r\n                data-id=\"post-2908\" \r\n                data-item=\"hfaq-post-2908\" \r\n                style=\"background:transparent;\" \r\n                data-tags=\"\"\r\n                tabindex=\"0\"><div class=\"accordion__title\">Q. What is a microservice in this context?<\/div><\/div><div id=\"accordion-content-post-2908\" \r\n                class=\"accordion__body\" \r\n                role=\"region\"\r\n                aria-labelledby=\"accordion-header-post-2908\"\r\n                style=\"background:transparent;\"><p><span class=\"rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading Time: <\/span> <span class=\"rt-time\">7<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span><span style=\"font-weight: 400\"><strong>A:<\/strong> A small, focused server (Express-based) whose sole responsibility is to send text messages via Twilio. It exposes endpoints or functions that accept message content, recipient, etc., and uses Twilio\u2019s API to send SMS. This isolates the messaging function as a standalone service, facilitating reuse and separation of concerns.<\/span><a href=\"https:\/\/learning.workfall.com\/learning\/blog\/how-to-build-a-communication-microservice-to-send-text-messages-using-twilio-and-express\/\"><span style=\"font-weight: 400\">\u00a0<\/span><\/a><\/p>\n<\/div><\/li><li class=\"accordion__item \"><div class=\"accordion__header \" \r\n                id=\"accordion-header-post-2909\"\r\n                role=\"button\"\r\n                aria-expanded=\"false\"\r\n                aria-controls=\"accordion-content-post-2909\"\r\n                data-id=\"post-2909\" \r\n                data-item=\"hfaq-post-2909\" \r\n                style=\"background:transparent;\" \r\n                data-tags=\"\"\r\n                tabindex=\"0\"><div class=\"accordion__title\">Q. What are the prerequisites?<\/div><\/div><div id=\"accordion-content-post-2909\" \r\n                class=\"accordion__body\" \r\n                role=\"region\"\r\n                aria-labelledby=\"accordion-header-post-2909\"\r\n                style=\"background:transparent;\"><p><span class=\"rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading Time: <\/span> <span class=\"rt-time\">7<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span><span style=\"font-weight: 400\"><strong>A:<\/strong> You need Node.js installed locally. Also a Twilio account (can use trial), a Twilio phone number (which must be verified\/supported), credentials (Account SID, Auth Token). Also <\/span><span style=\"font-weight: 400\">dotenv<\/span><span style=\"font-weight: 400\"> for environment variables, <\/span><span style=\"font-weight: 400\">express<\/span><span style=\"font-weight: 400\"> for server, and optionally <\/span><span style=\"font-weight: 400\">nodemon<\/span><span style=\"font-weight: 400\"> for development auto-reload.<\/span><\/p>\n<\/div><\/li><li class=\"accordion__item \"><div class=\"accordion__header \" \r\n                id=\"accordion-header-post-2910\"\r\n                role=\"button\"\r\n                aria-expanded=\"false\"\r\n                aria-controls=\"accordion-content-post-2910\"\r\n                data-id=\"post-2910\" \r\n                data-item=\"hfaq-post-2910\" \r\n                style=\"background:transparent;\" \r\n                data-tags=\"\"\r\n                tabindex=\"0\"><div class=\"accordion__title\">Q. How is environment configuration handled?<\/div><\/div><div id=\"accordion-content-post-2910\" \r\n                class=\"accordion__body\" \r\n                role=\"region\"\r\n                aria-labelledby=\"accordion-header-post-2910\"\r\n                style=\"background:transparent;\"><p><span class=\"rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading Time: <\/span> <span class=\"rt-time\">7<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span><span style=\"font-weight: 400\"><strong>A:<\/strong> Via a <\/span><span style=\"font-weight: 400\">.env<\/span><span style=\"font-weight: 400\"> file. Credentials like Twilio SID, auth token, the Twilio phone number to send from are stored there so code doesn\u2019t hard-code sensitive values. <\/span><span style=\"font-weight: 400\">dotenv<\/span><span style=\"font-weight: 400\"> is used to load them into <\/span><span style=\"font-weight: 400\">process.env<\/span><span style=\"font-weight: 400\">.<\/span><\/p>\n<\/div><\/li><li class=\"accordion__item \"><div class=\"accordion__header \" \r\n                id=\"accordion-header-post-2911\"\r\n                role=\"button\"\r\n                aria-expanded=\"false\"\r\n                aria-controls=\"accordion-content-post-2911\"\r\n                data-id=\"post-2911\" \r\n                data-item=\"hfaq-post-2911\" \r\n                style=\"background:transparent;\" \r\n                data-tags=\"\"\r\n                tabindex=\"0\"><div class=\"accordion__title\">Q. What is the basic flow of the microservice?<\/div><\/div><div id=\"accordion-content-post-2911\" \r\n                class=\"accordion__body\" \r\n                role=\"region\"\r\n                aria-labelledby=\"accordion-header-post-2911\"\r\n                style=\"background:transparent;\"><p><span class=\"rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading Time: <\/span> <span class=\"rt-time\">7<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span><\/p>\n<ol>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Initialize project<\/span><span style=\"font-weight: 400\">\n<p><\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Install dependencies (<\/span><span style=\"font-weight: 400\">express<\/span><span style=\"font-weight: 400\">, <\/span><span style=\"font-weight: 400\">twilio<\/span><span style=\"font-weight: 400\">, <\/span><span style=\"font-weight: 400\">dotenv<\/span><span style=\"font-weight: 400\">, etc.)<\/span><span style=\"font-weight: 400\">\n<p><\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Setup <\/span><span style=\"font-weight: 400\">.env<\/span><span style=\"font-weight: 400\">\n<p><\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Create an Express server, define a sendMessage function or endpoint<\/span><span style=\"font-weight: 400\">\n<p><\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Use Twilio client (initialized with credentials) to send message (body, from, to)<\/span><span style=\"font-weight: 400\">\n<p><\/span><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400\">Start server (say via <\/span><span style=\"font-weight: 400\">npm run dev<\/span><span style=\"font-weight: 400\">) and test by sending messages to verified phone number(s).<\/span><span style=\"font-weight: 400\"><br \/>\n<\/span><\/p>\n<\/div><\/li><li class=\"accordion__item \"><div class=\"accordion__header \" \r\n                id=\"accordion-header-post-2912\"\r\n                role=\"button\"\r\n                aria-expanded=\"false\"\r\n                aria-controls=\"accordion-content-post-2912\"\r\n                data-id=\"post-2912\" \r\n                data-item=\"hfaq-post-2912\" \r\n                style=\"background:transparent;\" \r\n                data-tags=\"\"\r\n                tabindex=\"0\"><div class=\"accordion__title\">Q. Are there costs or trial limitations?<\/div><\/div><div id=\"accordion-content-post-2912\" \r\n                class=\"accordion__body\" \r\n                role=\"region\"\r\n                aria-labelledby=\"accordion-header-post-2912\"\r\n                style=\"background:transparent;\"><p><span class=\"rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading Time: <\/span> <span class=\"rt-time\">7<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span><span style=\"font-weight: 400\"><strong>\u00a0A:<\/strong> Yes \u2014 even Twilio trials have limited credits, verified numbers only etc. The article warns that for demos, it&#8217;s wise to delete or disable the Twilio account when done to avoid ongoing charges.<\/span><a href=\"https:\/\/learning.workfall.com\/learning\/blog\/how-to-build-a-communication-microservice-to-send-text-messages-using-twilio-and-express\/\"><span style=\"font-weight: 400\">\u00a0<\/span><\/a><\/p>\n<\/div><\/li><\/ul><\/div><\/div><\/article><\/section><\/p>\n","protected":false},"excerpt":{"rendered":"<p><span class=\"rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading Time: <\/span> <span class=\"rt-time\">7<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span> Twilio is all about empowering communication in a convenient and timely manner. In this blog, we will demonstrate how to build a communication microservice to send text messages using Twilio and Express. Let\u2019s get started! \ud83d\ude80 Required Installations: Node.js: It is a JavaScript runtime environment that executes JavaScript code outside the browsers. Dotenv: This package [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1530,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"spay_email":""},"categories":[288],"tags":[372,370,251,301,244,342,371,369,6],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to build a communication microservice to send text messages using Twilio and Express? - The Workfall Blog<\/title>\n<meta name=\"description\" content=\"In this blog, we will demonstrate how to build a communication microservice to send text messages using Twilio and Express.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/learning.workfall.com\/learning\/blog\/how-to-build-a-communication-microservice-to-send-text-messages-using-twilio-and-express\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to build a communication microservice to send text messages using Twilio and Express? 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