WhatsApp data privacy for bot builders: what you are now holding

Conversational messaging channels such as WhatsApp create broader privacy and data-protection risks than forms because customers may voluntarily share health, financial, third-party, photographic, and other sensitive information that businesses did not intend to collect. Businesses may hold phone numbers, profile names, transcripts, media, metadata, and derived insights, while end-to-end encryption protects messages in transit but does not prevent the business or its providers from accessing, storing, or processing them after receipt. Organizations should distinguish messaging opt-in from a lawful basis for data processing, assess requirements for sensitive data and automated decisions, establish category-specific and automated retention periods, minimize stored content by extracting necessary fields and deleting transcripts or media when no longer needed, and prepare to fulfill access, deletion, correction, and objection requests across all systems and backups. They should also document processors and international data transfers, update privacy notices as technology stacks change, clearly disclose automation, provide an accessible route to human support, avoid requesting payment card details in chat, and restrict transcript access more tightly than access to structured records. The text recommends reviewing a sample of real conversations and testing deletion workflows using phone numbers before deploying at scale, while presenting CodeWords as an automation platform that can connect messaging systems with other tools and define what data is extracted, retained, or discarded.

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