Welcome messages for new customers on WhatsApp: templates for after the first booking, purchase, membership or enrolment

A greeting is what you say when someone first messages. A welcome is what you say when they first say yes: booked, joined, enrolled, ordered. It is the moment they are most attentive and most likely to have a question they have not asked. Here is what a welcome should do, and templates by business.

By Ritchie, ReplyKit · Published 5 September 2026 · 5 min read

Quick answer

A welcome message confirms what they signed up for, tells them what happens next and when, lists the one or two things they need to do or bring, and says how to reach you. Three to five lines, sent as soon as the first booking or purchase is confirmed. No sales, no upsells. If an AI agent made the booking, it sends the welcome from your knowledge in the same reply.

TemplatesWhat to include, what to leave outLetting the agent send itFAQ

Templates

New patient: Welcome to Bright Smile Dental, Daniel. Your first visit is Saturday 14 Sept, 10:30am with Dr Lim. Please bring your IC and any previous X-rays; arrive 10 minutes early for a short form. Parking is on level 2. Message us here with any questions.

New gym member: Welcome to the studio, Jason. Your membership starts today. Book classes through this chat or at the desk; your first class has a 5-minute intro with the coach. Bring a towel and water. Questions? Reply here.

New student: Welcome, Ahmad, and thank you Mr Tan. Ahmad starts Saturday 10am, Primary 5 Maths, Taman Molek. Please bring a notebook and the workbook we'll provide on day one. Our office replies here between 9am and 6pm.

New client (services): Welcome aboard, Farah. Here's what happens next: I'll send the summary by Thursday, then we schedule the first session. Anything you need in the meantime, reply here.

New customer (shop): Thanks for your first order, Aisha, welcome. You'll get a message when it ships. Sizing or care questions any time, just reply here.

New tenant or member (coworking): Welcome to the space, Mei. Your desk is ready from Monday; access cards are at reception, WiFi details are on the desk. House rules: [link]. Message here for anything.

Rule for every template here: send it inside a conversation the customer started, or about something they booked or bought. Messages to people who did not contact you need consent, and on the official API need an approved template. Consent rules.

What to include, what to leave out

Letting the agent send it

Put the welcome text for each service in the knowledge base under "what to send after a first booking", and the agent includes it when it confirms the booking. New patients get the parking and forms note; new students get the day-one list. It is the same knowledge that answers "what should I bring?" when a customer asks later. See what to put in the knowledge base.

Frequently asked questions

What is the difference between a greeting and a welcome message?

A greeting is the first reply when someone messages. A welcome is sent after they book, join or buy for the first time.

What should a welcome message include?

What they signed up for, what happens next and when, what to bring or do, and how to reach you.

Should the welcome message include offers?

No. Keep it to logistics; offers and review asks come later.

Can an AI agent send the welcome?

Yes, from your knowledge, in the same reply that confirms the first booking.

How long should it be?

Three to five lines. Send a document for anything longer.

Welcome sent with the booking

Put the welcome in the knowledge and the agent sends it when it books. 7-day free trial.

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Written by Ritchie, ReplyKitPart of the small team in Malaysia that builds and runs ReplyKit. Writes about WhatsApp automation, AI customer service and small business lead response.

How we know this. The welcome after a first booking is a message ReplyKit's agent sends from your knowledge when the booking is made; the templates here are the ones we recommend putting in that knowledge. Product figures in this article (limits, prices, per-reply costs) are taken from ReplyKit as it runs today and are re-checked when we update the page. Where we cite outside research, the source is linked below. We sell ReplyKit, so read our product claims with that in mind; we say where a different tool or no tool is the better choice. About ReplyKit.

Sources and further reading

  1. WhatsApp Business Messaging Policy · opt-in, opt-out and prohibited-use rules every business must follow
  2. Harvard Business Review, The Short Life of Online Sales Leads (Oldroyd, McElheran, Elkington, 2011) · firms that responded within an hour were about seven times more likely to qualify the lead

ReplyKit is an independent product and is not affiliated with or endorsed by Meta or WhatsApp. This article is general guidance for running a small business, not legal, financial or regulatory advice.