{"id":16004,"date":"2026-02-25T13:08:53","date_gmt":"2026-02-25T07:38:53","guid":{"rendered":"https:\/\/www.fast2sms.com\/help\/?p=16004"},"modified":"2026-02-25T13:08:53","modified_gmt":"2026-02-25T07:38:53","slug":"what-are-whatsapp-authentication-category-messages","status":"publish","type":"post","link":"https:\/\/www.fast2sms.com\/help\/what-are-whatsapp-authentication-category-messages\/","title":{"rendered":"What are WhatsApp Authentication Category Messages?"},"content":{"rendered":"<h2><a href=\"https:\/\/www.fast2sms.com\/dashboard\/whatsapp-business\/facebook-login\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-15949 size-full\" src=\"https:\/\/www.fast2sms.com\/help\/wp-content\/uploads\/2026\/02\/Signup-test-WhatsApp-API-for-FREE.png\" alt=\"Test WhatsApp API For Free\" width=\"2759\" height=\"737\" srcset=\"https:\/\/www.fast2sms.com\/help\/wp-content\/uploads\/2026\/02\/Signup-test-WhatsApp-API-for-FREE.png 2759w, https:\/\/www.fast2sms.com\/help\/wp-content\/uploads\/2026\/02\/Signup-test-WhatsApp-API-for-FREE-300x80.png 300w, https:\/\/www.fast2sms.com\/help\/wp-content\/uploads\/2026\/02\/Signup-test-WhatsApp-API-for-FREE-1024x274.png 1024w, https:\/\/www.fast2sms.com\/help\/wp-content\/uploads\/2026\/02\/Signup-test-WhatsApp-API-for-FREE-768x205.png 768w, https:\/\/www.fast2sms.com\/help\/wp-content\/uploads\/2026\/02\/Signup-test-WhatsApp-API-for-FREE-1536x410.png 1536w, https:\/\/www.fast2sms.com\/help\/wp-content\/uploads\/2026\/02\/Signup-test-WhatsApp-API-for-FREE-2048x547.png 2048w\" sizes=\"(max-width: 2759px) 100vw, 2759px\" \/><\/a><\/h2>\n<h2><span style=\"font-family: arial, helvetica, sans-serif\"><strong>Understanding WhatsApp Message Categories<\/strong><\/span><\/h2>\n<p><span style=\"font-family: arial, helvetica, sans-serif\">WhatsApp Business Messages are divided into three categories:<\/span><\/p>\n<ol>\n<li><span style=\"font-family: arial, helvetica, sans-serif\"><strong>Authentication<\/strong> &#8211; OTP and verification message. <span style=\"color: #800000\"><em>For e.g. &#8220;Your order is on its way. Please show your verification code 293856 to receive your order.&#8221;<\/em><\/span><\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif\"><a href=\"https:\/\/www.fast2sms.com\/help\/?p=15952&amp;preview=true\"><strong>Utility<\/strong><\/a> &#8211; Transactional and service related updates. <em><span style=\"color: #800000\">For e.g. &#8220;Thanks for opting in, Rahul! Now you&#8217;ll receive your updates from us via WhatsApp.&#8221;<\/span><\/em><\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif\"><strong>Marketing<\/strong> &#8211; Promotional and campaign messages. <span style=\"color: #800000\"><em>For e.g. &#8220;Save up to 40% if you book your Bali flights this month!&#8221;<\/em><\/span><\/span><\/li>\n<\/ol>\n<h2><span style=\"font-family: arial, helvetica, sans-serif\"><strong>WhatsApp Authentication Category Message &#8211; Definition, Examples &amp; Use Cases<\/strong><\/span><\/h2>\n<p><span style=\"font-family: arial, helvetica, sans-serif\">WhatsApp Authentication Category Message are template messages used to send one-time passwords (OTPs) and verification codes for identity confirmation and account security. The main purpose to secure the account from unauthorized access and to verify if the same user is accessing the account. WhatsApp Authentication messages are activated as soon as user initiate actions like login, registration or making any changes in account.<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif\">WhatsApp Authentication Category Message used to deliver:<\/span><\/p>\n<ul>\n<li><span style=\"font-family: arial, helvetica, sans-serif\"><em>One-time passwords (OTPs)<\/em><\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif\"><em>Verification codes<\/em><\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif\"><em>Two-factor authentication codes<\/em><\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif\"><em>Account verification codes<\/em><\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif\"><em>Transaction verification codes<\/em><\/span><\/li>\n<\/ul>\n<p><span style=\"font-family: arial, helvetica, sans-serif\">The real potential of WhatsApp Authentication message is we can login in, reset password or even approve a transaction by a simple notification. Some of it&#8217;s characteristics are as follows:<\/span><\/p>\n<ul>\n<li><span style=\"font-family: arial, helvetica, sans-serif\">Used for <span style=\"text-decoration: underline\">security and verification<\/span> purpose only.<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif\">No <span style=\"text-decoration: underline\">marketing or promotional<\/span> allowed in authentication message.<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif\">Often includes <span style=\"text-decoration: underline\">expiry period.<\/span><\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif\">Highly <span style=\"text-decoration: underline\">urgent<\/span> as compared to other template messages.<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif\"><span style=\"text-decoration: underline\">Short<\/span> and directly sent.<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif\">Content <span style=\"text-decoration: underline\">restrictions<\/span>, meaning the template must not contain any promotional content like URLs.<\/span><\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-16015\" src=\"https:\/\/www.fast2sms.com\/help\/wp-content\/uploads\/2026\/02\/467763103_1294295688660681_2266335513248221413_n.webp\" alt=\"Login\/SignUp\" width=\"1200\" height=\"1200\" srcset=\"https:\/\/www.fast2sms.com\/help\/wp-content\/uploads\/2026\/02\/467763103_1294295688660681_2266335513248221413_n.webp 1200w, https:\/\/www.fast2sms.com\/help\/wp-content\/uploads\/2026\/02\/467763103_1294295688660681_2266335513248221413_n-300x300.webp 300w, https:\/\/www.fast2sms.com\/help\/wp-content\/uploads\/2026\/02\/467763103_1294295688660681_2266335513248221413_n-1024x1024.webp 1024w, https:\/\/www.fast2sms.com\/help\/wp-content\/uploads\/2026\/02\/467763103_1294295688660681_2266335513248221413_n-150x150.webp 150w, https:\/\/www.fast2sms.com\/help\/wp-content\/uploads\/2026\/02\/467763103_1294295688660681_2266335513248221413_n-768x768.webp 768w, https:\/\/www.fast2sms.com\/help\/wp-content\/uploads\/2026\/02\/467763103_1294295688660681_2266335513248221413_n-50x50.webp 50w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/p>\n<h2><span style=\"font-family: arial, helvetica, sans-serif\"><strong>Examples of WhatsApp Authentication Message Template<\/strong><\/span><\/h2>\n<table style=\"border-collapse: collapse;width: 100%\">\n<tbody>\n<tr>\n<td style=\"width: 40.982%;text-align: center\"><span style=\"font-family: arial, helvetica, sans-serif\"><strong>Topic<\/strong><\/span><\/td>\n<td style=\"width: 59.018%;text-align: center\"><span style=\"font-family: arial, helvetica, sans-serif\"><strong>Message<\/strong><\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 40.982%;text-align: center\"><span style=\"font-family: arial, helvetica, sans-serif\">Password Reset<\/span><\/td>\n<td style=\"width: 59.018%\"><span style=\"font-family: arial, helvetica, sans-serif\">Use <strong>342978<\/strong> to reset your password. This code will disappear. Do not share it with anyone.<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 40.982%;text-align: center\"><span style=\"font-family: arial, helvetica, sans-serif\">Two-Factor Authentication<\/span><\/td>\n<td style=\"width: 59.018%\"><span style=\"font-family: arial, helvetica, sans-serif\">Your two-factor authentication code is <strong>423765<\/strong>. Enter this code to continue securely. Valid for 5 minutes.<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 40.982%;text-align: center\"><span style=\"font-family: arial, helvetica, sans-serif\">Device Change<\/span><\/td>\n<td style=\"width: 59.018%\"><span style=\"font-family: arial, helvetica, sans-serif\">A login attempt was made from a new device. Use <strong>095436 <\/strong>to verify your identity. Code valid for 5 minutes.<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 40.982%;text-align: center\"><span style=\"font-family: arial, helvetica, sans-serif\">Admin Panel<\/span><\/td>\n<td style=\"width: 59.018%\"><span style=\"font-family: arial, helvetica, sans-serif\">Your admin access verification code is <strong>569871<\/strong>. This code is valid for 5 minutes.<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 40.982%;text-align: center\"><span style=\"font-family: arial, helvetica, sans-serif\">Subscription<\/span><\/td>\n<td style=\"width: 59.018%\"><span style=\"font-family: arial, helvetica, sans-serif\">Use <strong>3496721<\/strong> to activate your subscription. This code will expire shortly.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><span style=\"font-family: arial, helvetica, sans-serif\"><strong>Advantages of WhatsApp Authentication Message<\/strong><\/span><\/h2>\n<ol>\n<li><span style=\"font-family: arial, helvetica, sans-serif\"><strong>Enhanced Security<\/strong> &#8211; Messages are end-to-end encrypted and delivered only when the receiver has his phone as it is delivered to one&#8217;s primary device.<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif\"><strong>Superior UX (Superior User Experience)<\/strong> &#8211; Provides enhanced features like zero tap authentication, one tap, autofill, etc.<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif\"><strong>Business branding and trust<\/strong> &#8211; By showcasing the business name, logo and verified badge to increase the badge.<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif\"><strong>Unparalleled speed<\/strong> &#8211; WhatsApp authentication are delivered faster than SMS or Email.<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif\"><strong>Cost efficiency<\/strong> &#8211; The amount is charged only when messages are delivered to the users, which is beneficial for global audiences not like traditional SMS.<\/span><\/li>\n<\/ol>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-16016\" src=\"https:\/\/www.fast2sms.com\/help\/wp-content\/uploads\/2026\/02\/468076495_1272553613938072_8028438057368060794_n.webp\" alt=\"Sample Message\" width=\"1100\" height=\"1028\" srcset=\"https:\/\/www.fast2sms.com\/help\/wp-content\/uploads\/2026\/02\/468076495_1272553613938072_8028438057368060794_n.webp 1100w, https:\/\/www.fast2sms.com\/help\/wp-content\/uploads\/2026\/02\/468076495_1272553613938072_8028438057368060794_n-300x280.webp 300w, https:\/\/www.fast2sms.com\/help\/wp-content\/uploads\/2026\/02\/468076495_1272553613938072_8028438057368060794_n-1024x957.webp 1024w, https:\/\/www.fast2sms.com\/help\/wp-content\/uploads\/2026\/02\/468076495_1272553613938072_8028438057368060794_n-768x718.webp 768w\" sizes=\"(max-width: 1100px) 100vw, 1100px\" \/><\/p>\n<h2><span style=\"font-family: arial, helvetica, sans-serif\"><strong>Things to note for WhatsApp Authentication Category Message<\/strong><\/span><\/h2>\n<p><span style=\"font-family: arial, helvetica, sans-serif\">While applying for WhatsApp Authentication Category Messages we need keep certain things in our mind, which are as follows:<\/span><\/p>\n<ol style=\"list-style-type: upper-alpha\">\n<li><span style=\"font-family: arial, helvetica, sans-serif\">Keep the message for verification purpose only.<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif\">Don&#8217;t include links as the main purpose is security and verification.<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif\">Clearly state the purpose of code in the message.<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif\">Use simple and direct language.<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif\">Validity period can also be mentioned if needed.<\/span><\/li>\n<\/ol>\n<p><a href=\"https:\/\/www.fast2sms.com\/dashboard\/whatsapp-business\/facebook-login\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-15949 size-full\" src=\"https:\/\/www.fast2sms.com\/help\/wp-content\/uploads\/2026\/02\/Signup-test-WhatsApp-API-for-FREE.png\" alt=\"Test WhatsApp API For Free\" width=\"2759\" height=\"737\" srcset=\"https:\/\/www.fast2sms.com\/help\/wp-content\/uploads\/2026\/02\/Signup-test-WhatsApp-API-for-FREE.png 2759w, https:\/\/www.fast2sms.com\/help\/wp-content\/uploads\/2026\/02\/Signup-test-WhatsApp-API-for-FREE-300x80.png 300w, https:\/\/www.fast2sms.com\/help\/wp-content\/uploads\/2026\/02\/Signup-test-WhatsApp-API-for-FREE-1024x274.png 1024w, https:\/\/www.fast2sms.com\/help\/wp-content\/uploads\/2026\/02\/Signup-test-WhatsApp-API-for-FREE-768x205.png 768w, https:\/\/www.fast2sms.com\/help\/wp-content\/uploads\/2026\/02\/Signup-test-WhatsApp-API-for-FREE-1536x410.png 1536w, https:\/\/www.fast2sms.com\/help\/wp-content\/uploads\/2026\/02\/Signup-test-WhatsApp-API-for-FREE-2048x547.png 2048w\" sizes=\"(max-width: 2759px) 100vw, 2759px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Understanding WhatsApp Message Categories WhatsApp Business Messages are divided into three categories: Authentication &#8211; OTP and verification message. For e.g. &#8220;Your order is on its way. Please show your verification code 293856 to receive your order.&#8221; Utility &#8211; Transactional and service related updates. For e.g. &#8220;Thanks for opting in, Rahul! Now you&#8217;ll receive your updates [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[24],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What are WhatsApp Authentication Category Messages?<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.fast2sms.com\/help\/what-are-whatsapp-authentication-category-messages\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What are WhatsApp Authentication Category Messages?\" \/>\n<meta property=\"og:description\" content=\"Understanding WhatsApp Message Categories WhatsApp Business Messages are divided into three categories: Authentication &#8211; OTP and verification message. 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Authentication Category Messages?","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.fast2sms.com\/help\/what-are-whatsapp-authentication-category-messages\/","og_locale":"en_US","og_type":"article","og_title":"What are WhatsApp Authentication Category Messages?","og_description":"Understanding WhatsApp Message Categories WhatsApp Business Messages are divided into three categories: Authentication &#8211; OTP and verification message. For e.g. &#8220;Your order is on its way. Please show your verification code 293856 to receive your order.&#8221; Utility &#8211; Transactional and service related updates. For e.g. &#8220;Thanks for opting in, Rahul! 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