MESSAGING IN SINGAPORE
🇸🇬 WhatsApp messaging rules in Singapore.
The rules that matter when you send WhatsApp marketing, sales and service messages to people in Singapore, in plain English, checked 28 September 2026.
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Illustrative example. Names and details are made up.
The laws.
- Personal Data Protection Act 2012 (PDPA), including the Do Not Call provisions
- Spam Control Act 2007
THE RULES
What they mean for WhatsApp.
| Rule | What it means for WhatsApp |
|---|---|
| Consent | Get clear, written consent for marketing messages to Singapore numbers, or check the Do Not Call Register first (results are valid for 21 days). |
| Bulk messages | The Spam Control Act was extended to commercial messages sent in bulk to instant messaging accounts. Include an unsubscribe option, and check whether an <ADV> label is needed. |
| Harvesting | Dictionary attacks and address harvesting are prohibited. |
| Breaches | Notify the PDPC within 3 calendar days of assessing a breach as notifiable. |
RISK
Enforcement.
PDPA penalties can reach 10% of annual Singapore turnover (for turnover above S$10 million) or S$1 million.
META
Plus Meta’s rules, everywhere.
- Opt-in: people must agree to receive WhatsApp messages from your business, and the opt-in must name your business.
- Templates: messages you start outside a customer’s 24-hour window must use approved templates.
- Opt-outs: respect requests to stop, made on WhatsApp or anywhere else.
- A human: give people a way to reach a person.
- No sensitive data requests: never ask for full card numbers, bank account numbers or ID numbers in the chat.
IN THE PRODUCT
How ConvoHut helps.
HOW CONVOHUT HELPS
- A compliance review for each market before an automation or campaign goes live, covering consent, an unsubscribe option in the template and your sender details.
- Every contact has a consent status, visible in the inbox next to the conversation.
- Opt-outs stop journeys for that contact and exclude them from future marketing messages.
- Quiet hours by market, so messages aren’t sent in the middle of the night.
- A confirmation step before any campaign is sent, with the Meta cost shown first.
ConvoHut’s checks help you follow the rules. They don’t replace your own legal obligations, and you’re responsible for the consent you collect and the messages you send.
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