# Resources > WhatsApp Business API docs, guides and articles from the Volty team. WhatsApp Business API docs, guides and articles from the Volty team. Updated Nov 3, 2026 01 ## WhatsApp Business API docs Fixes and guides for the WhatsApp Business API, from bans and errors to pricing and templates. ### Messaging - WhatsApp Business API pricing: 2026 rates by country ### Troubleshooting - How to Fix Meta Error 459 (Account Checkpoint) - WhatsApp Coexistence Limitations: What You Need to Know - WhatsApp Account Blocked? How to Restore Access to Your Blocked Account - WhatsApp Error 131026: Message Undeliverable - Complete Troubleshooting Guide - WhatsApp Error Code 131060: Companion Device Message Visibility Issue - WhatsApp Error: Object With ID Does Not Exist or Missing Permissions - WhatsApp Error: Session Has Expired, Access Token Validation Failed - How To Unban Your WhatsApp Account Within 24h - WhatsApp Error #3: Application Does Not Have API Granular Permission - WhatsApp Error #200: You Do Not Have Permission to Send Messages - Unable to Remove WhatsApp Business App from Meta Business Portfolio - WhatsApp Error: You Cannot Access the App Till You Log In to Facebook - WhatsApp Error: Unable to Update Contact, Email Already Taken - WhatsApp Error: Template Name Not Found (Error 132001) - WhatsApp Error: Need to Add Payment Method for Broadcast Campaigns - WhatsApp Error 131042: Business Eligibility Payment Issue, 72 Hour Block - WhatsApp Error: Phone Number Not Eligible to Connect to Business Platform - WhatsApp Error: Phone Number Already Registered with INBOX Product - WhatsApp Disconnection: Messages Are Now End-to-End Encrypted Warning - WhatsApp Error: This Account Can No Longer Use WhatsApp, Appeal Guide All WhatsApp docs All integrations 02 ## Guides Longer reads on how Volty is built and how to work with AI agents. - Framework for AI Agents · Hire your AI agents. Don't install them. · Choosing the work, proving it, and granting autonomy. - Whitepaper · Volty: one agent, many businesses · The architecture behind Voltade's AI helpdesk builder, a managed, multi-tenant platform. 03 ## Articles What we publish on WhatsApp, email and Volty. - Sep 10, 2026WhatsApp Embedded Signup now asks for your number first - Feb 5, 2026What is RAG? How retrieval makes WhatsApp chatbots accurate - Jan 30, 2026WhatsApp Business API Errors: Complete Fix Guide - Jan 16, 2026WhatsApp 24-hour rule: how the window works and what it costs - Jan 16, 2026How to Convert WhatsApp Leads into Sales - Jan 6, 2026WhatsApp Template Rejected? Here's How to Fix It All articles 04 ## Videos Walkthroughs and talks. Voltade on YouTube ## Start your free trial Talk to Volty · Start your free trial Sign up for our 7-day trial. No credit card needed. Not convinced? Hear more from our CEO and Volty The Leonard and Volty Show · October 8, 2026 Meta now charges for WhatsApp replies The Leonard and Volty Show · October 1, 2026 Too busy to hire? The Leonard and Volty Show · September 21, 2026 From $500 chatbot jobs to agentic AI The Leonard and Volty Show · September 10, 2026 Your AI is a new employee The Leonard and Volty Show · September 4, 2026 Trust in the AI world The Leonard and Volty Show · August 29, 2026 Does the AI model matter? The Leonard and Volty Show · August 19, 2026 What are AI agents? Meta now charges for WhatsApp replies. Here's what it means for your business, October 8, 2026 ## Links - [WhatsApp Business API pricing: 2026 rates by country](https://voltade.com/learn/whatsapp/whatsapp-business-api-pricing) - [How to Fix Meta Error 459 (Account Checkpoint)](https://voltade.com/learn/whatsapp/meta-error-459-checkpoint) - [WhatsApp Coexistence Limitations: What You Need to Know](https://voltade.com/learn/whatsapp/whatsapp-coexistence-limitations) - [WhatsApp Account Blocked? How to Restore Access to Your Blocked Account](https://voltade.com/learn/whatsapp/whatsapp-account-blocked-restore-access) - [WhatsApp Error 131026: Message Undeliverable - Complete Troubleshooting Guide](https://voltade.com/learn/whatsapp/whatsapp-error-131026-message-undeliverable) - [WhatsApp Error Code 131060: Companion Device Message Visibility Issue](https://voltade.com/learn/whatsapp/whatsapp-error-131060-companion-device) - [WhatsApp Error: Object With ID Does Not Exist or Missing Permissions](https://voltade.com/learn/whatsapp/whatsapp-error-object-does-not-exist) - [WhatsApp Error: Session Has Expired, Access Token Validation Failed](https://voltade.com/learn/whatsapp/whatsapp-error-session-expired) - [How To Unban Your WhatsApp Account Within 24h](https://voltade.com/learn/whatsapp/how-to-unban-whatsapp-account) - [WhatsApp Error #3: Application Does Not Have API Granular Permission](https://voltade.com/learn/whatsapp/whatsapp-error-api-granular-permission) - [WhatsApp Error #200: You Do Not Have Permission to Send Messages](https://voltade.com/learn/whatsapp/whatsapp-error-200-no-permission-send-messages) - [Unable to Remove WhatsApp Business App from Meta Business Portfolio](https://voltade.com/learn/whatsapp/whatsapp-unable-remove-from-meta-portfolio) - [WhatsApp Error: You Cannot Access the App Till You Log In to Facebook](https://voltade.com/learn/whatsapp/whatsapp-error-facebook-login-verification) - [WhatsApp Error: Unable to Update Contact, Email Already Taken](https://voltade.com/learn/whatsapp/whatsapp-error-unable-update-contact-email) - [WhatsApp Error: Template Name Not Found (Error 132001)](https://voltade.com/learn/whatsapp/whatsapp-error-template-name-not-found) - [WhatsApp Error: Need to Add Payment Method for Broadcast Campaigns](https://voltade.com/learn/whatsapp/whatsapp-error-add-payment-method) - [WhatsApp Error 131042: Business Eligibility Payment Issue, 72 Hour Block](https://voltade.com/learn/whatsapp/whatsapp-error-131042-payment-issue) - [WhatsApp Error: Phone Number Not Eligible to Connect to Business Platform](https://voltade.com/learn/whatsapp/whatsapp-error-phone-number-not-eligible) - [WhatsApp Error: Phone Number Already Registered with INBOX Product](https://voltade.com/learn/whatsapp/whatsapp-error-already-registered-inbox) - [WhatsApp Disconnection: Messages Are Now End-to-End Encrypted Warning](https://voltade.com/learn/whatsapp/whatsapp-disconnected-end-to-end-encrypted) - [WhatsApp Error: This Account Can No Longer Use WhatsApp, Appeal Guide](https://voltade.com/learn/whatsapp/whatsapp-error-account-can-no-longer-use) - [All WhatsApp docs](https://voltade.com/learn/whatsapp) - [All integrations](https://voltade.com/integrations) - [Framework for AI AgentsHire your AI agents. Don't install them.Choosing the work, proving it, and granting autonomy.](https://voltade.com/en-sg/learn/hire-your-ai-agents) - [WhitepaperVolty: one agent, many businessesThe architecture behind Voltade's AI helpdesk builder, a managed, multi-tenant platform.](https://voltade.com/learn/volty-platform-architecture) - [Sep 10, 2026WhatsApp Embedded Signup now asks for your number first](https://voltade.com/blog/whatsapp-embedded-signup-phone-number-first) - [Feb 5, 2026What is RAG? How retrieval makes WhatsApp chatbots accurate](https://voltade.com/blog/improving-whatsapp-chatbot-understanding-with-rag) - [Jan 30, 2026WhatsApp Business API Errors: Complete Fix Guide](https://voltade.com/blog/common-whatsapp-business-api-errors-fixes) - [Jan 16, 2026WhatsApp 24-hour rule: how the window works and what it costs](https://voltade.com/blog/navigating-the-whatsapp-24-hour-messaging-rule) - [Jan 16, 2026How to Convert WhatsApp Leads into Sales](https://voltade.com/blog/converting-leads-into-sales-via-whatsapp-a-guide) - [Jan 6, 2026WhatsApp Template Rejected? Here's How to Fix It](https://voltade.com/blog/common-whatsapp-business-template-approval-issues-fixes) - [All articles](https://voltade.com/blog)