How to chase a late payment on WhatsApp without begging

Your client isn't broke. They're just not thinking about you. Here are six messages, in order, from friendly nudge to final notice. Copy them word for word.

It's almost never personal. It's almost always admin.

Here's the good news, and it is genuinely good news: the client who hasn't paid you is not sitting at home laughing about it. They're not broke. They didn't hate the work. They opened your message on a Tuesday while doing something else, thought “right, I'll deal with that later”, and then later never happened.

Your invoice is not a moral event in their life. It's line 14 of a to-do list they haven't looked at. Which means your job isn't to shame them. Your job is to get back to the top of the pile, repeatedly, on a schedule, until the money moves.

That's it. That's the whole skill. Everything below is just the wording.

Chase on a schedule, not on a mood

The reason chasing feels horrible is that most people do it emotionally. They wait until they're annoyed, then send something passive-aggressive at 11pm, then feel awful, then wait three more weeks. That's not a system. That's a grudge with a phone.

Pick a schedule before you're angry, and follow it like a bus timetable:

Six touches over a month. If that feels like a lot, remember: they're the one holding your money.

The six messages, word for word

Swap the name, the number and the amount. Keep the structure, because the structure is what does the work.

1. Day 0: the message that prevents the other five

Three sentences, and it removes every excuse a human can generate: they know the number, the amount, the deadline and the method. Send it the day you finish, not on Sunday when you “do the paperwork”. Urgency evaporates with time, and so does their memory of how good the work was.

2. Day 1 overdue: the breezy nudge

Day one. Not day ten. Chasing on day one is not aggressive, it's normal, and it quietly tells this client, and every client after them, that your due dates are real. The people who get paid late are almost always the people whose deadlines have never once been enforced.

3. Day 7: resend the document, demand a date

Two moves here. First, resend the actual PDF. Never make someone scroll for the thing you want them to pay. Second, ask for a date, not for payment. “I'll sort it soon” costs them nothing. “Next Tuesday” is a promise with a name on it, and people keep those far more often.

4. Day 14: the consequence

This is where most people either go silent or go nuclear. Do neither. State a consequence that is real, small and yours to control: the next job, the next visit, the final files, the warranty, the priority slot. No threats you won't carry out. No capital letters. The flatter the tone, the more serious it reads.

5. Day 21: the escape hatch

This message does something none of the others do: it separates the client who can't pay from the client who won't. If they take the plan, you're getting paid and you've kept a customer. If they ignore an offer that easy, you now know exactly what you're dealing with, and you can stop being polite about it.

6. Day 30: final notice

Notice what changed: no first-name warmth, no emoji, no question. Just facts with dates on them. This message isn't really written for Marcos. It's written for whoever reads it next: a mediator, a small-claims form, or Marcos's own sense of self-preservation. Only include a step you're actually willing to take.

Things you should never send

• •“Sorry to bother you…” You are not bothering them. You are invoicing them. Those are different activities.
• •“Whenever you get a chance” Congratulations, you have just given them permission to never get a chance.
• •“Just checking in” with no amount in the message. Now they have to go and find the invoice themselves. They will not.
• •A wall of text re-explaining the job. They know what they bought. Amount, number, how to pay. That's the message.
• •Anything at 11pm on a Sunday. A late-night message reads as panic. A Tuesday-morning one reads as bookkeeping. Same words, completely different reply.
• •A screenshot of a bank app. You are not on trial. Send the invoice, not evidence.

The best chase is the one you never have to send

Every late payment has a cause, and it's usually something that happened weeks earlier, at the moment you sent the bill. Six fixes, in order of how much time they'll save you:

1. 01Put a real due date on it. “On receipt” is not a date. “Due Friday 8 August” is a date. Vague terms produce vague payments.
2. 02Take a deposit on anything with materials in it. 30-50% up front. If a client won't pay a deposit, you have just found out something extremely useful, extremely cheaply.
3. 03Put the payment details on the document itself. Not in a separate message they'll scroll past. On the PDF, next to the total, where their thumb already is.
4. 04Send a PDF, not a number in a chat bubble. “$660, thanks!” is a text message. It can't be forwarded to an accountant, filed, or referred to later. A document gets treated like a document.
5. 05Number your invoices. INV-0042 is a thing that exists in the world. “the invoice I sent you” is an argument waiting to happen.
6. 06Send it the day you finish. The value of your work is highest the hour it's done, and drops every day after. Bill into the enthusiasm.

How to do all of this from WhatsApp

Here's the part where we admit we make a thing. If you're reading an article about chasing payments over WhatsApp, you're probably already billing people from your phone, which is exactly what Wabilio is for.

You message our WhatsApp number (or send a voice note, it transcribes those too), fill in one short form (customer, items, amount) and you get back a proper PDF invoice with your payment details already on it: Pix in Brazil, Nequi or Daviplata in Colombia, SPEI in Mexico, Bizum or IBAN in Spain, Zelle, Venmo or Cash App in the US, Interac e-Transfer in Canada, GoPay, OVO, DANA or a bank transfer in Indonesia. No app to install. It takes about a minute, and your details are remembered after the first time.

Free tier: 10 invoices and 10 quotes a month, 20 documents in total. No card, no trial countdown. If you'd rather not talk to a bot at all, the free invoice generator works in your browser with no account at all.

And the client who never pays at all?

There's always one. Send the six messages, keep the record, take whatever formal step your country makes available, and then stop working for them. Permanently. A client who costs you thirty days of chasing on every job isn't a client, they're a subscription you're paying for.

Fire them. Then go and send tomorrow's invoice on the day you finish, with a due date on it, like a person who expects to be paid. Because you are.

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