Guides for Conversational Business.

Consent, the existing-customer exception and opt-outs for SMS, WhatsApp, RCS and Viber.

Lawful basis, AI disclosure, retention, DPIAs and processors — the essentials in one list.

Why bulk sender tools get numbers banned, and how to run compliant API broadcasts.

How the messaging tiers and the High/Medium/Low quality rating work, what causes a drop, and how to scale without getting throttled.

Marketing, Utility, Authentication and Service — how the categories and the 24-hour window decide what you actually pay.

Wrong category, variable and formatting problems, prohibited content — the real reasons Meta refuses templates, and a checklist to get approved.

What Official Business Account status really is, the notability signals Meta weighs, how to apply and reapply, and what to do after a rejection.

You're the controller, not Meta. Lawful basis, opt-in records, residency, DSARs and Article 30 — what compliant WhatsApp use actually requires.

Access and erasure requests inside the one-month deadline — why soft delete plus vendor backups leaves you exposed, and what evidence to keep.

Meta's global transport versus your own application data — what can sit in one EU region, and how to document both for procurement.

Meta's opt-in policy and GDPR consent are not the same test — how to capture, record and enforce both from one surface.

How Meta's conversation-based pricing works in 2026, what shared CPaaS platforms add on top, and where a dedicated regional instance on wholesale rates breaks even.