A step-by-step path through the platform, in order, on one page: account setup, your first template, a chatbot, Flows, CRM basics, and reading your quality score. Each module ends with a link to go deeper.
Before setting anything up, it's worth knowing what you're actually using. The free WhatsApp Business app is built for one person on one phone. WhatsApp Business API, the thing WA.Expert runs on, is built for a team: multiple agents on one shared number, chatbots, bulk messaging with approved templates, and integrations with your CRM, e-commerce store, or other tools.
The App has a 256-contact broadcast limit and no automation. The API has neither restriction, but it also has no manual chat interface of its own, that's what a platform like WA.Expert provides on top of Meta's infrastructure.
Want the full side-by-side? See the complete API vs App comparison.
Three things need to exist before you can send a single message: a Meta Business Account, a business registration document (GST certificate, MSME certificate, or Certificate of Incorporation), and a phone number that isn't currently active on WhatsApp.
Full walkthrough with screenshots: the phone number setup guide, or the source docs on registering a new number.
Any message you send outside an active 24-hour reply window needs an approved template. Templates fall into three categories: Marketing (promotions, highest rate), Utility (order updates, confirmations, cheaper), and Authentication (OTPs, cheapest, fixed format).
Submit it from your WA.Expert dashboard. Utility and Authentication templates are usually approved within 1-2 hours; Marketing templates get stricter review since they're the only category that's never free, even inside an open reply window.
Full reference on categories, structure, and getting rejections fixed: the Template Messages Guide.
The bot builder is drag-and-drop: triggers (a keyword, a button tap, a new conversation) connect to message blocks, question blocks that capture a reply into a field, and routing logic. No code required for a first working bot.
Most first bots go from zero to live in under two hours. Full guide: How to Set Up a WhatsApp Chatbot.
Mini Apps, what Meta calls WhatsApp Flows, are forms that open and complete entirely inside the chat: dropdowns, date pickers, and text fields, no website redirect. They're the right tool when a plain back-and-forth conversation would take too many messages, like booking an appointment or collecting a structured order.
Explore the full set of Flow guides, appointment booking, lead capture, payment collection, and feedback surveys, in the WhatsApp Flows Guide, or dig into the technical how-to in the Mini Apps docs.
Every contact who messages you lands in the CRM automatically, with their WhatsApp profile name and number. From there you can add Super Fields (custom fields like order value or plan tier), apply tags, and build segments, saved filters that stay current as contacts move in and out.
Full reference: the CRM docs, starting with "The CRM, explained."
Meta scores every number green, yellow, or red based on how customers react to your messages, mainly blocks and spam reports. Your score affects your messaging tier, how many unique users you can message per day.
If your score drops, most Low ratings recover to Medium within about 7 days of clean sending. Full detail on causes, recovery timelines, and the current tier structure: the Quality Score Guide and the Messaging Limits Guide.
That's the full loop, account, template, chatbot, Flows, CRM, quality, in the order most businesses actually need them. From here, the deeper reference material is organised by topic rather than by sequence:
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