Most sales teams treat WhatsApp as a chat app—they send order confirmations and invoice links into the void, then chase replies through email and phone calls. By day 15, the workflow is two-track chaos: some deals live in WhatsApp, some in email, inventory is out of sync, and payment collection stalls. Malaysia's BNM and Indonesia's OJK now require audit trails for financial transactions sent via messaging. A haphazard setup will cost you compliance headaches and lost revenue. This playbook moves you from WhatsApp chaos to a compliant, synced sales channel in exactly 14 days. You'll connect the WhatsApp Business API to your CRM, sync your product catalog, embed payment links that log to your invoicing system, and document the whole flow for audit. At the end, your sales team sends one message—a customer sees their options, selects a product, pays, and both you and your CRM know it happened. Days 1–3: WhatsApp Business API registration and messaging infrastructure You cannot build a sales workflow on WhatsApp consumer. The Business API is non-negotiable because it's the only version that logs conversations, templates, and payments in a format auditors will accept. Register with Meta for WhatsApp Business Account. Go to developers.facebook.com , create a business account, and request API access. Meta will ask for proof of business registration. For Malaysia, prepare your SSM registration. For Indonesia, have your NPWP and business license (SIUP/NIB) ready. This step alone takes 2–3 days because Meta's review queue can stall. Do not wait—start on day 1. Provision a phone number for WhatsApp Business. You need a dedicated line that does not receive personal SMS. Use a virtual number provider like Twilio, Vonage, or local equivalents (Nexmo for Malaysia, Komodo for Indonesia). Cost is roughly ₹300–800/month. Register this number with Meta—this is the identity your customers see. Connect your messaging infrastructure to Orin. Orin's unified messaging system accepts WhatsApp webhooks. Add your WhatsApp Business Account details to the Orin dashboard. Test inbound and outbound flow with a test message to yourself. Verify that messages land in your Orin inbox and that replies from Orin appear in WhatsApp within 3 seconds. Do not move forward until latency is under 1 second—lag breaks perceived chat experience. By day 3, you should have a working WhatsApp inbox inside Orin. Every incoming message appears in one place alongside your SMS, email, and team chat. Days 4–5: Message templates and compliance audit trail setup Malaysia's BNM and Indonesia's OJK mandate that financial institutions (including invoicing platforms) retain message templates, timestamps, and user consent logs. WhatsApp templates are pre-approved text blocks that Meta reviews before you send them. They exist to prevent spam and ensure regulatory compliance. Draft three core templates: Order confirmation (product name, price, payment link), payment reminder (customer name, invoice reference, due date), and payment receipt (confirmation number, date, amount). Write them in plain language—templates rejected for sales-speak like 'Limited time offer!' or emoji overload. Submit templates to Meta for approval. This takes 1–2 hours or up to 24 hours depending on queue. Write templates in English and the local language (Malay or Bahasa Indonesia). Meta approves each language variant separately. Do not skip this step to send freeform messages—freeform messages are not audit-compliant and will fail a regulatory review. Log template consent in Orin. Before your first customer receives a template, record in Orin's CRM notes that they opted in to WhatsApp communication. Capture the date, method (e.g., 'opted in via website form'), and customer consent. This log protects you if a customer later claims they never agreed to receive messages. Keep the record for 7 years—Malaysia's BNM audits back that far. By end of day 5, your message templates are live and every customer contact includes an opt-in timestamp. Days 6–8: Product catalog sync and inventory logic The catalog is what makes WhatsApp a sales channel instead of a message app. Customers see your products in WhatsApp itself, select them, and flow straight to checkout. Syncing inventory to the catalog means what they see is real. Export your product list from your invoicing or accounting system. Include product name, price in your local currency (MYR for Malaysia, IDR for Indonesia), SKU, category, and an image URL (500×500px minimum, less than 1 MB). Orin's integration with your billing system can pull this data automatically; if not, export as CSV and manually check for gaps. Do not include products you cannot fulfill in the next 48 hours. Upload the catalog to WhatsApp Business via Meta's Catalog Manager. Go to your WhatsApp Business Account settings, select Catalog, and upload your product feed. Meta will validate product images and pricing. Images with watermarks, logos off-center, or unclear pricing may b