Marketing

WhatsApp marketing messages that don't get you blocked

WhatsApp campaigns can bring customers back better than almost any channel. Send the wrong message to the wrong people, though, and your number pays the price.

Key takeaways

  • Only message people who agreed to hear from you, and keep proof of it.
  • Small, relevant segments beat sending everything to everyone.
  • Make it easy to opt out. Blocks hurt your number more than unsubscribes.
  • Send less often, and make every message worth opening.

Open rates on WhatsApp are the envy of email marketers. People read messages on WhatsApp because it is where their friends and family talk to them. That is exactly why businesses have to be careful: a message that feels like spam in that space gets blocked fast, and blocks lower your number's quality rating.

Start with permission

On the WhatsApp Business Platform, you may only send marketing messages to people who agreed to receive them. Good ways to collect that agreement:

  • A checkbox at checkout or on your website form.
  • A message the customer sends you, such as replying "yes" to "Would you like to receive our offers here?".
  • A sign-up at the counter, recorded with the date.

Keep a note of how and when each person agreed. If a customer complains, you will want that record.

Segment before you send

The fastest way to get blocked is to send the same message to your entire contact list. A customer who bought baby clothes last month does not care about your men's shoes promotion.

Build small segments instead:

  • Customers who bought in the last 60 days.
  • People who asked about a product that is back in stock.
  • VIP customers in a specific city.
  • Contacts who have not bought in six months.

A message to 300 people who care will bring more sales and fewer blocks than a message to 3,000 who don't.

Write templates people want to read

Marketing templates need Meta's approval, and they work best when they sound like a person:

Hi Ana, the linen dress you asked about is back in size 8. Want me to hold one for you until Saturday? Reply STOP if you'd rather not get these messages.

What makes this work: her name, a reason that relates to her, one simple action, and a clear way out. Compare it with "BIG SALE!!! 50% OFF EVERYTHING, CLICK THE LINK".

Timing and frequency

There is no magic hour, but common sense goes a long way. Avoid early mornings and late nights. Think about when your customers actually shop. And send less often than you think you should: once or twice a month is plenty for most small businesses. If every message is useful, people look forward to them.

Before you press send

Watch what happens after

A campaign does not end when it is sent. Replies will arrive, often many at once. Have someone ready to answer, because a customer who replies "I want it" and waits two hours is a lost sale.

Also look at the numbers: how many replied, how many opted out, how many bought. If opt-outs spike, the message or the segment was wrong. Fix it before the next one.

Replies to a campaign open a 24-hour window where you can talk freely. If you are not sure how that works, read the 24-hour window, explained.

Frequently asked questions

How many WhatsApp marketing messages can I send per day?

Meta sets a daily limit on how many different people a number can start conversations with. New numbers start low, and the limit rises as you send messages people respond to well. Quality matters more than volume.

Why was my WhatsApp number restricted?

Usually because many recipients blocked or reported the messages. That happens when people did not opt in, the message was irrelevant, or the business sent too often.

What is a good WhatsApp marketing template?

Short, personal and useful: the customer's name, one clear reason for the message, one action, and an easy way to stop receiving offers.

Lucas Vaz

Lucas Vaz is the founder of Kontaro. He runs businesses in Brazil that sell and serve customers on WhatsApp every day, and writes about what actually works.

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