{"id":475,"date":"2026-10-28T16:01:55","date_gmt":"2026-10-28T16:01:55","guid":{"rendered":"https:\/\/vectalk.com.br\/blog\/whatsapp-api-changes-2026\/"},"modified":"2026-10-28T16:02:07","modified_gmt":"2026-10-28T16:02:07","slug":"whatsapp-api-changes-2026","status":"publish","type":"post","link":"https:\/\/vectalk.com.br\/blog\/en\/whatsapp-api-changes-2026\/","title":{"rendered":"WhatsApp Business API in 2026: every change, month by month"},"content":{"rendered":"\n<p><em>Updated on October 28, 2026<\/em><\/p>\n\n\n\n<p>In 2026 the WhatsApp Business API changed on four fronts: pricing (new rates, plus charges for service messages and for utility messages inside the customer service window since October 1), user identity (BSUIDs and usernames), marketing (the Marketing Messages API and the end of marketing on the Cloud API in 2027) and account structure (the WABA became a WhatsApp account + a Messaging account). This page collects, month by month, the changes published in <a href=\"https:\/\/developers.facebook.com\/documentation\/business-messaging\/whatsapp\/changelog\" target=\"_blank\" rel=\"noreferrer noopener\">Meta&#8217;s official changelog<\/a>, each with a date and source.<\/p>\n\n\n\n<p><strong>This is a living page.<\/strong> It&#8217;s revised whenever Meta publishes something relevant for teams integrating the API. Last revision: October 28, 2026.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Summary: what requires action<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Change<\/th><th>Date<\/th><th>What to do<\/th><\/tr><\/thead><tbody><tr><td>New rates and end of unlimited free service messages<\/td><td>Oct 1, 2026<\/td><td>Review costs and keep a payment method active<\/td><\/tr><tr><td>Utility messages inside the window become billable<\/td><td>Oct 1, 2026<\/td><td>Recalculate the cost of transactional notifications<\/td><\/tr><tr><td>BSUIDs in webhooks and sending by BSUID<\/td><td>April and July 2026<\/td><td>Stop using the phone number as the only contact key<\/td><\/tr><tr><td>New WABA structure<\/td><td>from Sept 23, 2026<\/td><td>Replace <code>paid_messaging_account_id<\/code> by Dec 31, 2026<\/td><\/tr><tr><td>End of marketing on Cloud API<\/td><td>Oct 13, 2027 (announced Oct 13, 2026)<\/td><td>Move campaigns to <code>\/marketing_messages<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">January<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Jan 28<\/strong> \u2014 Meta introduced a pricing policy for &#8220;AI Providers&#8221;: from February 16, 2026, in countries where it&#8217;s legally required to support them, Meta charges for non-template messages sent by these providers. (<a href=\"https:\/\/developers.facebook.com\/documentation\/business-messaging\/whatsapp\/changelog\" target=\"_blank\" rel=\"noreferrer noopener\">changelog<\/a>)<\/li>\n\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">February<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Feb 3<\/strong> \u2014 Cloud API Groups available to all businesses with an Official Business Account. (<a href=\"https:\/\/developers.facebook.com\/documentation\/business-messaging\/whatsapp\/changelog\" target=\"_blank\" rel=\"noreferrer noopener\">changelog<\/a>)<\/li>\n\n\n<li><strong>Feb 4<\/strong> \u2014 <code>account_offboarded<\/code> and <code>account_reconnected<\/code> webhooks for coexistence numbers. (<a href=\"https:\/\/developers.facebook.com\/documentation\/business-messaging\/whatsapp\/changelog\" target=\"_blank\" rel=\"noreferrer noopener\">changelog<\/a>)<\/li>\n\n\n<li><strong>Feb 19<\/strong> \u2014 New automatic creative optimization in the Marketing Messages API: auto promotion tag. (<a href=\"https:\/\/developers.facebook.com\/documentation\/business-messaging\/whatsapp\/marketing-messages\/changelog\" target=\"_blank\" rel=\"noreferrer noopener\">marketing changelog<\/a>)<\/li>\n\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">March<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Mar 2<\/strong> \u2014 Upcoming 2026 rates published in 15 currencies, including the Argentine, Chilean, Colombian and Mexican pesos, the Peruvian sol and the US dollar. (<a href=\"https:\/\/developers.facebook.com\/documentation\/business-messaging\/whatsapp\/changelog\" target=\"_blank\" rel=\"noreferrer noopener\">changelog<\/a>)<\/li>\n\n\n<li><strong>Mar 27<\/strong> \u2014 The <code>request_welcome<\/code> webhook and welcome message were removed from conversational components; the <code>enable_welcome_message<\/code> parameter no longer exists. (<a href=\"https:\/\/developers.facebook.com\/documentation\/business-messaging\/whatsapp\/changelog\" target=\"_blank\" rel=\"noreferrer noopener\">changelog<\/a>)<\/li>\n\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">April<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Apr 1<\/strong> \u2014 Rates updated for Saudi Arabia, India, Pakistan and Turkey, plus eight new billing currencies: AED, ARS, CLP, COP, MYR, PEN, SAR and SGD. (<a href=\"https:\/\/developers.facebook.com\/documentation\/business-messaging\/whatsapp\/changelog\" target=\"_blank\" rel=\"noreferrer noopener\">changelog<\/a>)<\/li>\n\n\n<li><strong>Early April<\/strong> \u2014 The BSUID (business-scoped user ID) starts appearing in webhooks. (<a href=\"https:\/\/developers.facebook.com\/documentation\/business-messaging\/whatsapp\/business-scoped-user-ids\" target=\"_blank\" rel=\"noreferrer noopener\">BSUIDs<\/a>)<\/li>\n\n\n<li><strong>Apr 6<\/strong> \u2014 Businesses onboarded to the Marketing Messages API can turn off marketing on the Cloud API; <code>\/messages<\/code> then rejects marketing templates with error <code>131063<\/code>. (<a href=\"https:\/\/developers.facebook.com\/documentation\/business-messaging\/whatsapp\/changelog\" target=\"_blank\" rel=\"noreferrer noopener\">changelog<\/a>)<\/li>\n\n\n<li><strong>Apr 17<\/strong> \u2014 New error <code>131064<\/code>: messaging limit exceeded due to template classification violations. (<a href=\"https:\/\/developers.facebook.com\/documentation\/business-messaging\/whatsapp\/changelog\" target=\"_blank\" rel=\"noreferrer noopener\">changelog<\/a>)<\/li>\n\n\n<li><strong>Apr 21<\/strong> \u2014 New off-WhatsApp conversion metrics in the Marketing Messages API; automatic creative optimizations become off by default at the account level. (<a href=\"https:\/\/developers.facebook.com\/documentation\/business-messaging\/whatsapp\/marketing-messages\/changelog\" target=\"_blank\" rel=\"noreferrer noopener\">marketing changelog<\/a>)<\/li>\n\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">May<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>May 5<\/strong> \u2014 <code>\/marketing_messages<\/code> accepts BSUID recipients through the <code>recipient<\/code> field. (<a href=\"https:\/\/developers.facebook.com\/documentation\/business-messaging\/whatsapp\/changelog\" target=\"_blank\" rel=\"noreferrer noopener\">changelog<\/a>)<\/li>\n\n\n<li><strong>May 12<\/strong> \u2014 In the EU\/EEA, Meta stops charging AI Providers for non-template messages from May 13; <strong>in Brazil, the charge remains<\/strong>. (<a href=\"https:\/\/developers.facebook.com\/documentation\/business-messaging\/whatsapp\/changelog\" target=\"_blank\" rel=\"noreferrer noopener\">changelog<\/a>)<\/li>\n\n\n<li><strong>May 13<\/strong> \u2014 Keyboard suggestions on by default for authentication templates from June 15, 2026: on iOS 26 and later, the code appears for one-tap autofill. (<a href=\"https:\/\/developers.facebook.com\/documentation\/business-messaging\/whatsapp\/changelog\" target=\"_blank\" rel=\"noreferrer noopener\">changelog<\/a>)<\/li>\n\n\n<li><strong>May 14<\/strong> \u2014 Group messages can be marked as read, one by one. (<a href=\"https:\/\/developers.facebook.com\/documentation\/business-messaging\/whatsapp\/changelog\" target=\"_blank\" rel=\"noreferrer noopener\">changelog<\/a>)<\/li>\n\n\n<li><strong>May 15<\/strong> \u2014 Max price for marketing messages enters limited beta. (<a href=\"https:\/\/developers.facebook.com\/documentation\/business-messaging\/whatsapp\/changelog\" target=\"_blank\" rel=\"noreferrer noopener\">changelog<\/a>)<\/li>\n\n\n<li><strong>May 26<\/strong> \u2014 The pricing page lists the July 1 and October 1, 2026 changes; a new billing currency migration API is added. (<a href=\"https:\/\/developers.facebook.com\/documentation\/business-messaging\/whatsapp\/changelog\" target=\"_blank\" rel=\"noreferrer noopener\">changelog<\/a>)<\/li>\n\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">June<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Jun 2<\/strong> \u2014 Meta Business Agent, for Meta&#8217;s own AI agents on WhatsApp, is added to the docs, alongside the guides for the new account structure. (<a href=\"https:\/\/developers.facebook.com\/documentation\/business-messaging\/whatsapp\/changelog\" target=\"_blank\" rel=\"noreferrer noopener\">changelog<\/a>)<\/li>\n\n\n<li><strong>Jun 3<\/strong> \u2014 In-App Signup: links that let users subscribe to a business&#8217;s messages. On July 3, Meta noted the feature isn&#8217;t available in Brazil, among other markets. (<a href=\"https:\/\/developers.facebook.com\/documentation\/business-messaging\/whatsapp\/changelog\" target=\"_blank\" rel=\"noreferrer noopener\">changelog<\/a>)<\/li>\n\n\n<li><strong>Jun 15<\/strong> \u2014 Direct Send in open beta: utility and authentication messages without creating a template first. (<a href=\"https:\/\/developers.facebook.com\/documentation\/business-messaging\/whatsapp\/changelog\" target=\"_blank\" rel=\"noreferrer noopener\">changelog<\/a>)<\/li>\n\n\n<li><strong>Jun 16<\/strong> \u2014 <code>messaging_account_id<\/code> replaces <code>paid_messaging_account_id<\/code>, which should be dropped by December 31, 2026. (<a href=\"https:\/\/developers.facebook.com\/documentation\/business-messaging\/whatsapp\/account-model-evolution\/messaging\/\" target=\"_blank\" rel=\"noreferrer noopener\">Messaging accounts<\/a>)<\/li>\n\n\n<li><strong>Jun 25<\/strong> \u2014 Voicemail for Cloud API calling leaves alpha and becomes generally available. (<a href=\"https:\/\/developers.facebook.com\/documentation\/business-messaging\/whatsapp\/changelog\" target=\"_blank\" rel=\"noreferrer noopener\">changelog<\/a>)<\/li>\n\n\n<li><strong>Jun 29<\/strong> \u2014 Businesses can reserve and adopt a business username. (<a href=\"https:\/\/developers.facebook.com\/documentation\/business-messaging\/whatsapp\/business-scoped-user-ids\" target=\"_blank\" rel=\"noreferrer noopener\">BSUIDs<\/a>)<\/li>\n\n\n<li><strong>Jun 30<\/strong> \u2014 Call recording and call transcription guides. (<a href=\"https:\/\/developers.facebook.com\/documentation\/business-messaging\/whatsapp\/changelog\" target=\"_blank\" rel=\"noreferrer noopener\">changelog<\/a>)<\/li>\n\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">July<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Jul 1<\/strong> \u2014 The rate changes announced in May take effect. (<a href=\"https:\/\/developers.facebook.com\/documentation\/business-messaging\/whatsapp\/pricing\" target=\"_blank\" rel=\"noreferrer noopener\">pricing<\/a>)<\/li>\n\n\n<li><strong>July<\/strong> \u2014 The Cloud API accepts BSUID recipients and the <code>REQUEST_CONTACT_INFO<\/code> button, which asks the user for their phone number. (<a href=\"https:\/\/developers.facebook.com\/documentation\/business-messaging\/whatsapp\/business-scoped-user-ids\" target=\"_blank\" rel=\"noreferrer noopener\">BSUIDs<\/a>)<\/li>\n\n\n<li><strong>Jul 15<\/strong> \u2014 The &#8220;Phone Number First&#8221; Embedded Signup flow starts reaching the default flow. (<a href=\"https:\/\/developers.facebook.com\/documentation\/business-messaging\/whatsapp\/changelog\" target=\"_blank\" rel=\"noreferrer noopener\">changelog<\/a>)<\/li>\n\n\n<li><strong>Jul 31<\/strong> \u2014 Direct Send for utility becomes generally available; authentication stays in beta. (<a href=\"https:\/\/developers.facebook.com\/documentation\/business-messaging\/whatsapp\/changelog\" target=\"_blank\" rel=\"noreferrer noopener\">changelog<\/a>)<\/li>\n\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">August<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Aug 4<\/strong> \u2014 The docs make it official: the WABA becomes a WhatsApp account (WAAC) + a Messaging account. (<a href=\"https:\/\/developers.facebook.com\/documentation\/business-messaging\/whatsapp\/changelog\" target=\"_blank\" rel=\"noreferrer noopener\">changelog<\/a>)<\/li>\n\n\n<li><strong>Aug 11<\/strong> \u2014 New <code>user_changed_user_id<\/code> system webhook for BSUID changes. (<a href=\"https:\/\/developers.facebook.com\/documentation\/business-messaging\/whatsapp\/changelog\" target=\"_blank\" rel=\"noreferrer noopener\">changelog<\/a>)<\/li>\n\n\n<li><strong>Aug 18<\/strong> \u2014 Phone number migration between partners is no longer supported in the new model; the path is sharing the WhatsApp account. (<a href=\"https:\/\/developers.facebook.com\/documentation\/business-messaging\/whatsapp\/changelog\" target=\"_blank\" rel=\"noreferrer noopener\">changelog<\/a>)<\/li>\n\n\n<li><strong>Aug 19<\/strong> \u2014 Beta of WhatsApp Business app login for coexistence onboarding without a Facebook account. (<a href=\"https:\/\/developers.facebook.com\/documentation\/business-messaging\/whatsapp\/changelog\" target=\"_blank\" rel=\"noreferrer noopener\">changelog<\/a>)<\/li>\n\n\n<li><strong>Aug 24<\/strong> \u2014 Contact book lookup by BSUID (<code>GET \/&lt;PHONE_NUMBER_ID&gt;\/contact_book<\/code>). (<a href=\"https:\/\/developers.facebook.com\/documentation\/business-messaging\/whatsapp\/changelog\" target=\"_blank\" rel=\"noreferrer noopener\">changelog<\/a>)<\/li>\n\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">September<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Sept 22\u201323<\/strong> \u2014 Phase 1 of the new account structure begins, with automatic migration through mid-October; IDs, tokens and endpoints keep working. (<a href=\"https:\/\/developers.facebook.com\/documentation\/business-messaging\/whatsapp\/account-model-evolution\/\" target=\"_blank\" rel=\"noreferrer noopener\">account updates<\/a>)<\/li>\n\n\n<li><strong>Sept 23<\/strong> \u2014 Conversation Routing: rules for which partner receives each inbound message when more than one partner uses the same number. (<a href=\"https:\/\/developers.facebook.com\/documentation\/business-messaging\/whatsapp\/changelog\" target=\"_blank\" rel=\"noreferrer noopener\">changelog<\/a>)<\/li>\n\n\n<li><strong>Sept 28<\/strong> \u2014 The free entry point window opened by click-to-WhatsApp ads can stay open for up to 7 days instead of 72 hours. (<a href=\"https:\/\/developers.facebook.com\/documentation\/business-messaging\/whatsapp\/changelog\" target=\"_blank\" rel=\"noreferrer noopener\">changelog<\/a>)<\/li>\n\n\n<li><strong>Sept 29<\/strong> \u2014 Policy for eligible governments and non-profits: service messages stay free beyond the free tier from October 1, 2026 through December 31, 2027. Reactions remain free for everyone and don&#8217;t count toward the free tier. (<a href=\"https:\/\/developers.facebook.com\/documentation\/business-messaging\/whatsapp\/changelog\" target=\"_blank\" rel=\"noreferrer noopener\">changelog<\/a>)<\/li>\n\n\n<li><strong>Sept 30<\/strong> \u2014 The pricing page is restructured around the October 1 rules. (<a href=\"https:\/\/developers.facebook.com\/documentation\/business-messaging\/whatsapp\/pricing\" target=\"_blank\" rel=\"noreferrer noopener\">pricing<\/a>)<\/li>\n\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">October<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Oct 1<\/strong> \u2014 New rates. For recipients in Brazil (billed in Brazilian reais, BRL): marketing BRL 0.3217; utility, authentication and service BRL 0.0350. Each number gets 1,000 free service messages per month (charges start at the 1,001st; the free tier doesn&#8217;t cover utility), and utility templates sent inside the customer service window become billable. Max price for marketing enters open beta. (<a href=\"https:\/\/developers.facebook.com\/documentation\/business-messaging\/whatsapp\/pricing\" target=\"_blank\" rel=\"noreferrer noopener\">pricing<\/a>)<\/li>\n\n\n<li><strong>Oct 5<\/strong> \u2014 Payment templates in Brazil add one-click payment (<code>offsite_card_pay<\/code>). (<a href=\"https:\/\/developers.facebook.com\/documentation\/business-messaging\/whatsapp\/changelog\" target=\"_blank\" rel=\"noreferrer noopener\">changelog<\/a>)<\/li>\n\n\n<li><strong>Oct 8<\/strong> \u2014 Portfolios with a 100K or unlimited messaging limit become eligible for Direct Send utility. (<a href=\"https:\/\/developers.facebook.com\/documentation\/business-messaging\/whatsapp\/changelog\" target=\"_blank\" rel=\"noreferrer noopener\">changelog<\/a>)<\/li>\n\n\n<li><strong>Oct 13<\/strong> \u2014 Global announcement: the Cloud API stops sending marketing on October 13, 2027; Messaging accounts created from April 13, 2027 can&#8217;t send it at all. (<a href=\"https:\/\/developers.facebook.com\/documentation\/business-messaging\/whatsapp\/marketing-messages\/overview\" target=\"_blank\" rel=\"noreferrer noopener\">Marketing Messages API<\/a>)<\/li>\n\n\n<li><strong>Oct 14<\/strong> \u2014 Direct Send supports OTP with a copy code button without a pre-created template. (<a href=\"https:\/\/developers.facebook.com\/documentation\/business-messaging\/whatsapp\/changelog\" target=\"_blank\" rel=\"noreferrer noopener\">changelog<\/a>)<\/li>\n\n\n<li><strong>Oct 15<\/strong> \u2014 Embedded Signup v2 and v3 deprecated (served as v4). (<a href=\"https:\/\/developers.facebook.com\/documentation\/business-messaging\/whatsapp\/changelog\" target=\"_blank\" rel=\"noreferrer noopener\">changelog<\/a>)<\/li>\n\n\n<li><strong>Oct 16<\/strong> \u2014 Pix with redirect (Pix is Brazil&#8217;s instant payment system): the buyer picks their bank inside WhatsApp and authorizes in the bank app (<code>flow_type: \"APPSWITCH\"<\/code>). (<a href=\"https:\/\/developers.facebook.com\/documentation\/business-messaging\/whatsapp\/changelog\" target=\"_blank\" rel=\"noreferrer noopener\">changelog<\/a>)<\/li>\n\n\n<li><strong>Oct 20<\/strong> \u2014 Embedded Signup v5, with coexistence onboarding on by default. (<a href=\"https:\/\/developers.facebook.com\/documentation\/business-messaging\/whatsapp\/changelog\" target=\"_blank\" rel=\"noreferrer noopener\">changelog<\/a>)<\/li>\n\n\n<li><strong>Oct 23<\/strong> \u2014 Business username change limit: 2 times every 14 days per number. (<a href=\"https:\/\/developers.facebook.com\/documentation\/business-messaging\/whatsapp\/business-scoped-user-ids\" target=\"_blank\" rel=\"noreferrer noopener\">BSUIDs<\/a>)<\/li>\n\n\n<li><strong>Oct 27<\/strong> \u2014 With Pix with redirect, WhatsApp marks the order as paid once the bank completes the payment. The <code>conversation_analytics<\/code> field is removed on November 1, 2026. (<a href=\"https:\/\/developers.facebook.com\/documentation\/business-messaging\/whatsapp\/changelog\" target=\"_blank\" rel=\"noreferrer noopener\">changelog<\/a>)<\/li>\n\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">The four changes that matter most<\/h2>\n\n\n\n<p><strong>Pricing.<\/strong> October&#8217;s change ended unlimited free service messages and free utility inside the window, which affects the cost of any support or notification operation. Details in <a href=\"https:\/\/vectalk.com.br\/blog\/en\/whatsapp-free-utility-messages\/\">free utility messages in the service window<\/a>, <a href=\"https:\/\/vectalk.com.br\/blog\/en\/whatsapp-campaign-cost\/\">how much a WhatsApp campaign costs<\/a> and, for other countries, <a href=\"https:\/\/vectalk.com.br\/blog\/en\/whatsapp-api-pricing-by-country\/\">WhatsApp API pricing by country<\/a>.<\/p>\n\n\n\n<p><strong>User identity.<\/strong> The phone number is no longer guaranteed in webhooks. See <a href=\"https:\/\/vectalk.com.br\/blog\/en\/whatsapp-usernames-bsuid\/\">WhatsApp usernames and BSUIDs<\/a>.<\/p>\n\n\n\n<p><strong>Marketing.<\/strong> Campaigns must move to <code>\/marketing_messages<\/code> by October 2027. See <a href=\"https:\/\/vectalk.com.br\/blog\/en\/whatsapp-marketing-messages-api\/\">how to migrate to the Marketing Messages API<\/a>.<\/p>\n\n\n\n<p><strong>Account.<\/strong> The WABA is now two accounts, and switching providers no longer requires migrating the number. See <a href=\"https:\/\/vectalk.com.br\/blog\/en\/whatsapp-account-messaging-account-waba\/\">WhatsApp account vs. Messaging account<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How it works with Vectalk<\/h2>\n\n\n\n<p>Vectalk is a proxy for the official <a href=\"https:\/\/vectalk.com.br\/blog\/en\/whatsapp-cloud-api-en\/\">WhatsApp Cloud API<\/a>: payloads and webhooks are Meta&#8217;s, so new fields like <code>user_id<\/code> reach your endpoint exactly as Meta sends them, and Meta&#8217;s charges are passed through Vectalk. To keep up with platform changes, use this page and the <a href=\"https:\/\/docs.vectalk.com.br\">Vectalk documentation<\/a>. To get started, sign up at <a href=\"https:\/\/apps.vectalk.com.br\/register\">apps.vectalk.com.br\/register<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Frequently asked questions<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">What was the biggest WhatsApp API change in 2026?<\/h3>\n\n\n\n<p>For cost, October 1: new rates, a free tier of 1,000 service messages per number and charges for utility inside the window. For code, BSUIDs and the end of marketing on the Cloud API in 2027.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Will my old code break with the new WABA structure?<\/h3>\n\n\n\n<p>Not in phase 1. Meta keeps IDs, tokens and endpoints. The mandatory move to WhatsApp account IDs is planned for the first half of 2028.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Where does Meta publish these changes?<\/h3>\n\n\n\n<p>In the WhatsApp Business Platform changelog and the Marketing Messages API changelog. Pricing changes also show up on the pricing page.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">How often is this page updated?<\/h3>\n\n\n\n<p>Whenever Meta publishes a change that matters to teams integrating the API. The date at the top shows the last revision.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>Official sources consulted on October 28, 2026:<\/strong> <a href=\"https:\/\/developers.facebook.com\/documentation\/business-messaging\/whatsapp\/changelog\" target=\"_blank\" rel=\"noreferrer noopener\">WhatsApp Business Platform changelog<\/a>, <a href=\"https:\/\/developers.facebook.com\/documentation\/business-messaging\/whatsapp\/marketing-messages\/changelog\" target=\"_blank\" rel=\"noreferrer noopener\">Marketing Messages API changelog<\/a>, <a href=\"https:\/\/developers.facebook.com\/documentation\/business-messaging\/whatsapp\/pricing\" target=\"_blank\" rel=\"noreferrer noopener\">WhatsApp Business Platform pricing<\/a> (updated September 30, 2026), <a href=\"https:\/\/developers.facebook.com\/documentation\/business-messaging\/whatsapp\/business-scoped-user-ids\" target=\"_blank\" rel=\"noreferrer noopener\">Business-scoped user IDs<\/a> (updated October 23, 2026), <a href=\"https:\/\/developers.facebook.com\/documentation\/business-messaging\/whatsapp\/account-model-evolution\/\" target=\"_blank\" rel=\"noreferrer noopener\">Updates to WhatsApp Business accounts<\/a> (updated September 22, 2026), <a href=\"https:\/\/developers.facebook.com\/documentation\/business-messaging\/whatsapp\/marketing-messages\/overview\" target=\"_blank\" rel=\"noreferrer noopener\">Marketing Messages API overview<\/a> (updated October 13, 2026).<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Every WhatsApp Business API change in 2026, January through October, with dates and official links. Updated as Meta ships new changes.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[1],"tags":[],"class_list":["post-475","post","type-post","status-publish","format-standard","hentry","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>WhatsApp API Changes in 2026, Month by Month | Vectalk<\/title>\n<meta name=\"description\" content=\"WhatsApp Business API changes in 2026, month by month: October pricing, service free tier, BSUIDs, Marketing Messages API and the 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