Blog / Automation & AI

WhatsApp drip campaigns: automated sequences that work

You have a new contact who’s just left their number. What happens next? In most companies, nothing: the contact sits there, until someone finds the time to write to them. A drip campaign eliminates that gap. It’s a sequence of messages that starts on its own at the right moment and guides the person — from the first welcome to reactivating those who’ve gone cold — without you having to remember every time.

What a drip campaign on WhatsApp is

The name comes from “to drip”: the messages arrive a little at a time, at intervals decided in advance. Unlike a single campaign, which you send to the whole list at the same moment, a drip campaign is a scheduled series that triggers for each contact starting from a personal event. Whoever joins today gets the first message today; whoever joins in a week gets it in a week. The sequence is the same, but the calendar is individual.

On WhatsApp this approach pays off more than elsewhere. Messages are almost always read, and within minutes, and the conversation is two-way: the customer can reply to any message in the sequence and open a dialogue. A well-made drip campaign doesn’t feel like automation, it feels like constant attention. The email equivalent, at best, sits in the inbox to be opened “later”; the WhatsApp message arrives with a notification you look at right away, and it’s this immediacy that makes short, well-calibrated sequences work.

The three pieces of every sequence: trigger, steps, timing

The trigger: what starts the sequence

The trigger is the event that kicks things off. It can be a new contact joining, a first purchase, a sign-up via QR code in the store, a cart left halfway, or, conversely, a period of silence (“no orders for 90 days”). The more precise the trigger, the more the sequence arrives at the right moment: the welcome should go out within minutes of sign-up, not the next day, when interest has already cooled.

The steps: the individual messages

Each step is a message with a single purpose. The first introduces and confirms; the second delivers value (a guide, a tip, a perk); the third invites action. The golden rule is one call to action per message: someone who gets too many requests at once follows none of them. Three or four steps are almost always enough; endless sequences wear people out and trigger blocks.

The timing: the pause between one message and the next

The interval changes everything. Too close together feels pushy; too spread out makes people forget the context. A gap of one or two days between steps works for onboarding; for reactivation you can stretch to weeks. Important: respect sensible hours (never the dead of night) and always give a way out, so those who aren’t interested leave without friction instead of blocking you.

Welcome sequence: the first days count

The welcome is the most profitable sequence because it catches the contact at their moment of peak attention: they’ve just chosen you. A proven structure in three steps.

• Step 1 (immediately): “Hi {nome}, thanks for signing up. From here we’ll keep you posted on news and offers, and you can write to us whenever you like.” Confirmation, human tone, no selling.
• Step 2 (after 1 day): give something useful before asking. A short guide, your three most-loved products, a tip related to what you do.
• Step 3 (after 2–3 days): the first offer dedicated to new subscribers, with a clear deadline and a button or a unique link to act.

Onboarding sequence: from first purchase to habit

Onboarding starts after the first purchase and serves to turn an occasional customer into a regular one. Here the trigger is the completed order, and the messages accompany the real use of what the person bought: how to start, how to get the most out of it, where to ask for help. A customer who immediately understands the value of what they bought comes back; one left alone doesn’t.

• Step 1 (once delivered): “Did you receive it? Here are the three steps to get started right.” Reduces returns and doubts.
• Step 2 (after a few days): a usage tip or a real case, to surface a benefit the customer may not have noticed.
• Step 3 (at the end of the week): ask how it went and invite them to write with any questions. It’s also the right moment for a review.

Reactivation sequence: recovering those who’ve gone cold

Reactivation targets silent contacts: customers who used to buy and then disappeared. The trigger is time-based (no interaction for 60–90 days). Here the timing stretches and the tone changes: no rush, no guilt. You start with a light message (“We’ve missed you”), offer a concrete reason to return, and, if there’s no response after the last attempt, you leave the contact in peace. Pushing beyond that damages the number’s reputation.

With SendApp you set up these sequences on your number — connected via QR code with Cloud or through Meta’s official APIs with Official — and when a customer replies to a step, the AI trained on your content handles the conversation and hands over to an agent as soon as a human eye is needed.

Best practices for drip campaigns that don’t end in a block

• Start only from contacts who gave consent: an automated sequence to people who don’t expect you is the fastest way to get blocked.
• One message, one goal: if each step asks for too many things, the customer does none of them.
• Personalize at least the name and, where you can, the context: anonymous messages get ignored.
• Always handle the exit: anyone who writes STOP or doesn’t reply to the last step leaves the sequence, no exceptions.
• Let replies interrupt the automation: if the customer writes, they should find a person or an AI that understands, not the next scheduled message.
• Measure and trim: see where contacts drop off and shorten the steps no one reads.

A drip campaign isn’t a trick for sending more: it’s a way to be there at the right moment without manning the chat around the clock. Design a few essential sequences — welcome, onboarding, reactivation — fire them from the right triggers, and let them work. The rest of your time you devote to the conversations that truly deserve a person.