WhatsApp broadcast is the fastest way to reach customers. But done carelessly, your business number can be restricted or even blocked. The good news: most of these risks can be avoided with simple habits.
Why Can Numbers Get Blocked?
WhatsApp judges sender behavior. Many spam reports, large volumes of identical messages, and contacts who never saved your number are the main signals.
1. Only Message Contacts Who Opted In
Make sure recipients have bought from you or agreed to receive updates. Purchased contact databases are the most common cause of blocks.
2. Greet Recipients by Name
Personal messages get reported less often. Use the {name} variable so every message feels hand-written.
“After using recipients' names and random delays, our promo reply rate doubled.” — Rizky, Owner of Tokolaris
3. Use Random Send Delays
- Use 5–15 second delays between messages
- Avoid sending thousands of messages in a single minute
- Split large campaigns into several sessions
Conclusion
With these simple habits, your broadcasts stay effective without risking your number. Start with the contacts closest to your business, then scale up gradually.
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Maya Anggraini
Content Lead, Digiklanin
Writing about WhatsApp marketing and customer service for Indonesian businesses since 2019.
