{"id":47796,"date":"2026-06-24T13:05:16","date_gmt":"2026-06-24T13:05:16","guid":{"rendered":"http:\/\/yangjie"},"modified":"2026-06-24T13:05:16","modified_gmt":"2026-06-24T13:05:16","slug":"whatsapp-otp","status":"publish","type":"docs","link":"https:\/\/www.worldfirst.com\/af\/help-center\/onboarding\/whatsapp-otp\/","title":{"rendered":"WorldFirst WhatsApp OTP user guide"},"content":{"rendered":"\n<h2><span style=\"font-size: 24px;text-transform:none\">1. Function Overview<\/span><\/h2>\n\n\n\n<p id=\"u5b8f370b\">WorldFirst has officially launched its WhatsApp Business account.<br>The first service is OTP delivery for online transactions.<\/p>\n\n\n\n<ul>\n<li>Where SMS OTP is available, a WhatsApp OTP option will also be offered(e.g., login verification, payment verification, email change, sub-operator invitation, approval-rule creation, etc.).<\/li>\n\n\n\n<li>If the WhatsApp entry does not appear on the transaction page, please continue to use SMS.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><a href=\"https:\/\/mdn.marmot-cloud.com\/worldfirst\/sites\/9\/2026\/06\/20260624201953128.webp\"><img decoding=\"async\" src=\"https:\/\/mdn.marmot-cloud.com\/worldfirst\/sites\/9\/2026\/06\/20260624201953128.webp\" alt=\"\" class=\"wp-image-57668\" style=\"width:700px;box-shadow: 1px 1px 3px 3px #EEEEEE;\" title=\"\"\/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><a href=\"https:\/\/mdn.marmot-cloud.com\/worldfirst\/sites\/9\/2026\/06\/20260624202000286.webp\"><img decoding=\"async\" src=\"https:\/\/mdn.marmot-cloud.com\/worldfirst\/sites\/9\/2026\/06\/20260624202000286.webp\" alt=\"\" class=\"wp-image-57669\" style=\"width:700px;box-shadow: 1px 1px 3px 3px #EEEEEE;\" title=\"\"\/><\/a><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2><span style=\"font-size: 24px;text-transform:none\">2. Pre-use Checklist<\/span><\/h2>\n\n\n\n<div style=\"overflow-x: auto; -webkit-overflow-scrolling: touch; margin-bottom: 1.5em; width: 100%; max-width: 100%; display: block; box-sizing: border-box;\">\n<table style=\"border-collapse: collapse; width: 100%; min-width: 450px; border: 1px solid #000000; table-layout: auto;\">\n<thead>\n  <tr>\n    <th style=\"border: 1px solid #000000; padding: 8px; background-color: #f2f2f2; text-align: left;\"><strong>Check item<\/strong><\/th>\n    <th style=\"border: 1px solid #000000; padding: 8px; background-color: #f2f2f2; text-align: left;\"><strong>Requirement<\/strong><\/th>\n  <\/tr>\n<\/thead>\n<tbody>\n  <tr>\n    <td style=\"border: 1px solid #000000; padding: 8px; vertical-align: top;\">Mobile OS<\/td>\n    <td style=\"border: 1px solid #000000; padding: 8px; vertical-align: top;\">WhatsApp installed and network connected<\/td>\n  <\/tr>\n  <tr>\n    <td style=\"border: 1px solid #000000; padding: 8px; vertical-align: top;\">Number format<\/td>\n    <td style=\"border: 1px solid #000000; padding: 8px; vertical-align: top;\">Must match the admin\/operator security mobile number stored in the WorldFirst back-end<\/td>\n  <\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2><span style=\"font-size: 24px;text-transform:none\">3. How to verify the official WorldFirst account<\/span><\/h2>\n\n\n\n<p id=\"ucf118ceb\">To protect your transactions and avoid fraud, always remember:<\/p>\n\n\n\n<ul>\n<li>WorldFirst official WhatsApp business account (see image).<\/li>\n\n\n\n<li><strong>One-way only<\/strong>: we only send OTPs; the bank will never ask you to reply with account info, passwords or OTPs.<\/li>\n\n\n\n<li><strong>Always verify<\/strong>: never disclose your OTP to anyone; it expires automatically after the validity period.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><a href=\"https:\/\/mdn.marmot-cloud.com\/worldfirst\/sites\/9\/2026\/06\/20260624202008426.webp\"><img decoding=\"async\" src=\"https:\/\/mdn.marmot-cloud.com\/worldfirst\/sites\/9\/2026\/06\/20260624202008426-586x1024.webp\" alt=\"\" class=\"wp-image-57670\" style=\"width:300px;box-shadow: 1px 1px 3px 3px #EEEEEE;\" title=\"\"\/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><a href=\"https:\/\/mdn.marmot-cloud.com\/worldfirst\/sites\/9\/2026\/06\/20260624202014579.webp\"><img decoding=\"async\" src=\"https:\/\/mdn.marmot-cloud.com\/worldfirst\/sites\/9\/2026\/06\/20260624202014579.webp\" alt=\"\" class=\"wp-image-57671\" style=\"width:300px;box-shadow: 1px 1px 3px 3px #EEEEEE;\" title=\"\"\/><\/a><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2><span style=\"font-size: 24px;text-transform:none\">4. Daily transaction verification flow<\/span><\/h2>\n\n\n\n<ul>\n<li>Initiate a payment, transfer or batch payment that requires OTP.<\/li>\n\n\n\n<li>On the verification page choose \u201cReceive OTP via WhatsApp\u201d (if not shown, switch to SMS).<\/li>\n\n\n\n<li>Within ~10 s you will receive a 6-digit OTP from the official WorldFirst account on WhatsApp.<\/li>\n\n\n\n<li>Enter the code on the web\/app \u2192 confirm \u2192 transaction proceeds.<\/li>\n\n\n\n<li>The code is valid for 5 min; if it expires, request a new one.<\/li>\n<\/ul>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2><span style=\"font-size: 24px;text-transform:none\">5. FAQ<\/span><\/h2>\n\n\n\n<div style=\"overflow-x: auto; -webkit-overflow-scrolling: touch; margin-bottom: 1.5em; width: 100%; max-width: 100%; display: block; box-sizing: border-box;\">\n<table style=\"border-collapse: collapse; width: 100%; min-width: 550px; border: 1px solid #000000; table-layout: auto;\">\n<thead>\n  <tr>\n    <th style=\"border: 1px solid #000000; padding: 8px; background-color: #f2f2f2; text-align: left;\"><strong>Issue<\/strong><\/th>\n    <th style=\"border: 1px solid #000000; padding: 8px; background-color: #f2f2f2; text-align: left;\"><strong>Solution<\/strong><\/th>\n  <\/tr>\n<\/thead>\n<tbody>\n  <tr>\n    <td style=\"border: 1px solid #000000; padding: 8px; vertical-align: top;\">WhatsApp OTP not received<\/td>\n    <td style=\"border: 1px solid #000000; padding: 8px; vertical-align: top;\">1) Check network<br>2) Ensure number matches back-end<br>3) Wait 60 s and tap \u201cResend\u201d<br>4) If still fails, switch to SMS<\/td>\n  <\/tr>\n  <tr>\n    <td style=\"border: 1px solid #000000; padding: 8px; vertical-align: top;\">OTP accidentally deleted<\/td>\n    <td style=\"border: 1px solid #000000; padding: 8px; vertical-align: top;\">Return to the transaction page and tap \u201cResend\u201d; no unbinding needed<\/td>\n  <\/tr>\n  <tr>\n    <td style=\"border: 1px solid #000000; padding: 8px; vertical-align: top;\">Change mobile number<\/td>\n    <td style=\"border: 1px solid #000000; padding: 8px; vertical-align: top;\">Log in \u2192 Security Center \u2192 Update bound mobile number<\/td>\n  <\/tr>\n  <tr>\n    <td style=\"border: 1px solid #000000; padding: 8px; vertical-align: top;\">WhatsApp entry not visible in Singapore (SG)<\/td>\n    <td style=\"border: 1px solid #000000; padding: 8px; vertical-align: top;\">Due to local compliance, WhatsApp OTP is unavailable for payments\/transfers\/batch payments\/withdrawals; please use SMS verification<\/td>\n  <\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>1. Function Overview WorldFirst has officially launched its WhatsApp Business account.The first service is OTP delivery for online transactions. 2. Pre-use Checklist Check item Requirement Mobile OS WhatsApp installed and network connected Number format Must match the admin\/operator security mobile number stored in the WorldFirst back-end 3. How to verify the official WorldFirst account To [&hellip;]<\/p>\n","protected":false},"author":74,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"doc_category":[35],"doc_tag":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.2 (Yoast SEO v24.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>WorldFirst WhatsApp OTP user guide | WorldFirst AF<\/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.worldfirst.com\/af\/help-center\/onboarding\/whatsapp-otp\/\" \/>\n<meta property=\"og:locale\" content=\"en_NG\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"WorldFirst WhatsApp OTP user guide\" \/>\n<meta property=\"og:description\" content=\"1. 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