How to Write a WhatsApp Broadcast People Answer

To write a WhatsApp broadcast, start from the recipient's side: "they got this because I ______." Fill that blank with something specific, then write one point and one ask, identify yourself in the first line, and keep it short enough to read without scrolling.

How to write a WhatsApp broadcast: start with the reason, not the copy

Most advice on broadcasts is about copywriting. Hooks. Emojis. Power words. It's the wrong end of the problem.

When you write a WhatsApp broadcast, it fails or works before you type a single word. It works when the person getting it has a reason to be getting it. It fails when the only reason is that you had their number.

So run one test, every time. Finish this sentence from their side: "They sent me this because I ______."

If the honest ending is "am on their list", don't send it. Close the app. Go for a walk.

If the ending is "asked about the blue one last month and it's back", you have a message worth sending. You could write it badly and it would still do better than a beautiful message with no reason behind it.

This test does more for your read rate, your opt-outs and your standing on the platform than any technique I know. It also forces you toward smaller groups, which is where the replies are.

Notice what a good reason looks like. Their order shipped. The thing they asked about is back. The event they registered for starts tomorrow. An offer that genuinely fits what they already bought. Every one of those is a reason that belongs to them, not to you. "We have a sale" belongs to you.

What a broadcast is for

You're a one-person business. You don't have a comms team. So be clear about the job.

A broadcast is not an announcement. Every other channel announces more cheaply. A broadcast has one legitimate job: give a particular group a reason to start a conversation they would want to have.

That changes how you write it. You're not trying to say everything. You're trying to get one person to tap reply. The sale, the booking, the decision, all of that happens in the thread afterwards, one person at a time. If your broadcast tries to do the closing, it's doing the wrong job on the wrong channel.

Which is why a message that needs no reply is a wasted message. It spends someone's attention and asks for nothing back. On a channel that's personal, that is an expensive way to be forgotten.

Free guide · 21 pagesUse the channel they actually read.The WhatsApp Playbook: how to use it without becoming the message they mute.Get the free guide →

The anatomy of a message when you write a WhatsApp broadcast

Phones are small. People read in a notification preview, often with one thumb, often while doing something else. Write for that.

Read the first row again. Your message lands in the same list as their partner and their friends. If the first line sounds like a company, it gets treated like one.

Keep it short enough to read without scrolling. If you can't, you have two messages. Send the one that matters and keep the other for later.

Sound like a person, because you'll have to be one

Here's the thing most people miss. If the broadcast works, somebody replies. And then you're in a conversation, in your own voice, with a person who just read a message written in a different one.

That gap is jarring. A polished campaign voice followed by a casual human reply tells the customer the first message was a mask.

So write it the way you actually talk. Use contractions. Skip the "valued customer". Say "hi, it's" and then your name. If you wouldn't say it to someone standing in front of you, don't send it.

This is one of the quiet advantages of being alone. A bigger company needs a style guide to sound human. You just need to not put on a costume.

Personalise carefully, or not at all

A name in the first line feels warm. A wrong name, or an empty space where the name should be, announces that you're a machine in the very first word.

So before you use any personalised field, ask two things. Is it reliable? And what happens when it's missing?

Only use details you're certain are right. If you aren't certain about the product they bought, don't name the product. Decide in advance what the message says when a field is empty, and test that version too.

Personalisation you can't trust is worse than none. A plain message that's accurate beats a clever one that's wrong.

Check the audience before you press send

The worst broadcast error isn't a typo. It's a filter that silently didn't apply.

You meant last month's buyers. It went to everyone. Now people who never bought are being told "thanks for your order", and some of them will remember you for that.

So look at the recipient count before you send. Every time. If it surprises you, stop. The number should match the group you had in your head, and if it doesn't, something upstream is wrong and you'd rather find out now.

A narrower group is the better default. It gets more replies per message and fewer opt-outs per send, and it protects you from the asymmetric penalty on this channel: one irrelevant broadcast loses some readers, and a habit of them can cost you the ability to send. If you want the longer argument, see whether WhatsApp marketing is worth it.

Leave out the people who haven't read anything in a long time. Messaging the uninterested damages your standing with the interested.

Free assessmentHow trapped are you, really?Take the Corporate Suffocation Index, the free solopreneur readiness assessment.Take the assessment →

Test it on yourself, then pick the hour

Send it to your own number. Read it on your own phone. Two minutes.

Check that the placeholders filled, the link opens, the formatting survived and the first line makes sense as a notification. This is the only reliable way to catch the mistake you would otherwise hear about from a customer.

Then think about when it lands. A message is read the moment it arrives, so it interrupts whatever the person was doing. Schedule for an hour they'd welcome, in their time zone, on a day that suits the content. Late at night and early in the morning cost extra here, because the phone is often on a bedside table.

Last, make sure you're free when the replies come in. A broadcast that invites answers is a promise that you'll be there. Sending one and then disappearing for the afternoon is the quickest way to waste it. How to handle what comes back is covered in how to run a WhatsApp inbox.

A before and after

Take a made-up example. Say you sell a productised audit and a past client asked about a follow-up service last quarter. You've now added it.

The weak version opens with a company name, announces a "new offering", lists its features, includes a link and a discount, and closes with "get in touch". Nobody can tell why they got it. Nobody is asked anything specific.

The better version says who you are, reminds them they asked about this, tells them in one sentence that it now exists, and asks one question: "Want me to send you the details?" That's it. No link. The reason is theirs. The ask is a yes or a no.

Same news. Completely different message. One is an announcement and the other is an invitation to talk.

Free guide · 21 pagesUse the channel they actually read.The WhatsApp Playbook: how to use it without becoming the message they mute.Get the free guide →

Know which number you'll judge it by

Before you write a WhatsApp broadcast, decide how you'll judge the result. Not the read rate. Read means opened, and a broadcast that was read and started nothing was noise with good delivery.

Judge it by replies, and by what they turned into. If you want to go deeper on that, how to measure WhatsApp marketing shows what to count.

Free assessmentHow trapped are you, really?Take the Corporate Suffocation Index, the free solopreneur readiness assessment.Take the assessment →

Frequently asked questions

How long should I write a WhatsApp broadcast?

Short enough to read without scrolling. One point and one ask. If you need more room, you probably have two messages, so send the more important one and hold the other back.

Should I include a link?

Only if a reply cannot do the job. A link turns a conversation into an advertisement. If the goal is to get someone talking to you, ask the question in the message and keep the link for later in the thread.

Should I use the person's name?

Only if the name is reliable and you know what the message says when it's missing. A wrong name or an empty gap tells the reader the message is automated, which is worse than no name at all.

When is the best time to send?

An hour the recipient is likely to welcome, in their time zone, on a day that suits the content. Avoid late night and early morning, because the message arrives on a device that is often by the bed.

The full method, with the checklists, is in The WhatsApp Playbook, a free 21-page playbook.