You have a new batch of stock, a schedule change or a festival offer, and you want regular customers to know. Typing the same message into forty separate chats is slow. Making a group feels easier, but you have seen how groups turn into a noisy mess of forwarded jokes and “who is this?” replies.
A WhatsApp broadcast list sits between the two. You write once, and each person receives it as a private message from you. This post explains how broadcasts behave, why some people never get them, why a group is usually the wrong tool for promotion, and how to write a broadcast that people answer instead of mute.
How a broadcast reaches each person
In the WhatsApp Business app, a broadcast list is a saved set of your contacts. When you send a message to the list, WhatsApp delivers it to each person separately. On their phone it looks like any other message from you, sitting in your normal one-to-one chat. They cannot see who else received it, and nobody else can see their reply.
When a customer replies, the reply lands in your individual chat with them, not in the broadcast. That is the main advantage. Every response becomes a private conversation you can label, follow up and turn into a sale, without anyone else watching.
You create a list from the app’s chat menu, choose the contacts, and give the list a name only you can see. You can edit the list later, add people, remove people, and reuse it for future messages.
Why some contacts never receive your broadcast
This is the rule that surprises people: a broadcast only reaches contacts who have saved your business number in their own phone’s address book. If a customer messaged you once but never saved your number, your broadcast simply does not arrive for them. There is no error and no warning on your side.
WhatsApp designed it this way on purpose. It keeps broadcasts to people who know you well enough to save your number, which limits unwanted promotion. For a business it means two practical things:
- Ask customers to save the number. A line on the bill, a sign at the counter, or a sentence in your greeting message: “Save this number to get our new stock updates.”
- Do not judge a broadcast by the size of the list. The number of people who actually received it is usually smaller. Delivery ticks inside the broadcast’s info screen give a rough idea.
Saving the number is not the same as agreeing to receive offers. Keep the two separate in your head, and in your records. Our post on collecting WhatsApp opt-in properly covers how to ask.
Broadcast vs group: why groups go wrong for promotion
Groups feel natural because everyone already knows how to use them. For marketing to customers they cause problems that a broadcast avoids.
| Question | Broadcast list | Group |
|---|---|---|
| Can recipients see each other? | No | Yes, members can usually see each other’s numbers |
| Where do replies go? | Into a private chat with you | To everyone in the group |
| Can one person’s complaint spread? | No | Yes, in front of every member |
| Does adding someone need their agreement? | They must have saved your number | Depends on their privacy settings, and adding strangers invites reports |
| Can people leave quietly? | They ask you to remove them | Leaving is visible to the group |
The privacy point matters most. Putting customers into a group shares their phone numbers with every other member, including strangers and competitors. Many people object to that, and in some places it raises data protection questions. A group can suit a closed community that chose to be together, such as a running club or a parents’ class. It is rarely right for a shop’s offers.
If you want a one-way feed that strangers can follow without sharing numbers, look at WhatsApp Channels, which behave differently again.
Building lists around interests, not one big list
One list called “All customers” tempts you to send everything to everyone. Several smaller lists let you send each message only to the people it fits.
Some ways small businesses split their lists:
- By what people bought. A pet shop might keep separate lists for dog owners and cat owners.
- By what they asked about. A coaching centre might keep lists by class or exam.
- By area. A delivery business might split by the zones it serves on different days.
- By stage. Past customers in one list, people who enquired but did not buy in another.
Labels in the Business app help here. If you label chats as they come in, building a list later is a matter of filtering by label and selecting those contacts. A contact can sit in more than one list, so check that overlapping lists do not send the same person the same message twice.
Writing a WhatsApp broadcast list message people answer
A broadcast lands in a personal chat, next to messages from family and friends. It should read like a short note from a person, not a poster.
- Say who it is from in the first line. Even if your name shows at the top, a quick “Hi, it’s Riya from Green Leaf Nursery” helps.
- One reason for the message. New stock, a changed schedule, a seasonal reminder. One topic per broadcast.
- The useful detail. What, when, where, and the price if it matters to the decision.
- One clear next step. “Reply with the size you want”, “Tap the link to book”, “Reply YES to hold one for you”.
- A way out. “Reply STOP if you would rather not get these.” Then honour it.
A made-up example for a bakery: “Hi, this is Crumbs on Lake Road. Our Christmas plum cakes are ready to order for collection from the 20th. Half kilo and one kilo sizes. Reply with the size and collection day and we will confirm. Reply STOP to stop these updates.”
Images help when the product is visual. Keep them clear and avoid packing them with text that is hard to read on a phone. If you send a link, make sure the page loads quickly on mobile and says the same thing the message said.
How often to send, and when
There is no correct frequency, but there is an obvious wrong one: so often that people stop reading. Send when you have something worth saying. For many small businesses that is a few times a month at most, and less in quiet seasons.
Timing matters as much as frequency. Send during your working hours, when someone can answer the replies. A broadcast at ten at night may get read, but the replies will sit until morning, and people who were ready to buy will have moved on. Avoid early mornings and late evenings, when a buzzing phone feels intrusive.
After each broadcast, note how many replies came in, how many led to orders or bookings, and how many people asked to stop. Over a few months that tells you more about the right rhythm for your customers than any general advice.
When a broadcast list stops being enough
Broadcasts work well while one or two people handle the phone and your list is a manageable size. Signs you have outgrown them:
- Many people who opted in never receive messages because they did not save your number.
- You want to schedule messages, include buttons, or personalise each message with a name or order detail.
- Several staff need to answer the replies from different computers at the same time.
- You need reports on delivery and replies per message, not a count of blue ticks.
At that point the WhatsApp Business Platform, with approved marketing templates sent through a provider, is the next step. Our WhatsApp marketing guide explains how the app and the Platform divide the work, and how broadcasting fits with everything else. For the bigger view across search, ads and email, see our digital marketing services hub.
Frequently asked questions
Can people tell that my message was sent to a broadcast list?
Not directly. The message arrives in their normal chat with you and looks like any other message, without a list of other recipients. A message that reads like a general announcement will still feel like one, which is why a friendly first line and one clear request help it feel personal.
What happens if someone on my broadcast list blocks me?
They stop receiving anything from you, including broadcasts, and you are not told directly. Blocks and reports also count against your number’s standing with WhatsApp. If several people block you after the same message, look hard at what you sent, to whom, and how often, before sending another.
Can I send a broadcast from WhatsApp Web?
Broadcast features have varied between the phone app and linked devices over time, so check what your version offers. Writing the message on a computer and sending it from the phone works if the computer option is missing. Either way, replies appear on every linked device, so staff can answer from a desk.
Is it fine to add every customer from my billing software to a broadcast list?
Having a customer’s number for billing is not the same as their agreement to receive promotions. Add people who have said yes to updates, and keep a note of when they agreed. Adding everyone in bulk is the quickest way to collect blocks and reports.
What is a broadcast in WhatsApp?
A broadcast is one message you send to a saved list of contacts at once. Each person receives it as a normal one-to-one message from you, cannot see who else got it, and replies only to you. It only arrives for contacts who keep your number in their address book.
Where do I find my broadcast lists in WhatsApp?
On Android it has usually been in the three-dot menu on the Chats screen, and on iPhone near the top of the Chats list. WhatsApp moves these menus between versions, so if you cannot see the option, update the app and look again. Lists you created earlier stay saved there.
Broadcasts are a small part of the WhatsApp marketing services we provide, alongside opt-in, templates and tracking. Many businesses run them well with nothing more than the app and a little discipline about what they send.
Next in this series: WhatsApp Opt-In: How to Collect Consent Properly
