For many shoppers, WhatsApp is simply where questions get asked. They message the number on your packing slip, your Instagram bio or your contact page, and they expect a reply in minutes. An AI agent on WhatsApp makes that possible without someone watching a phone all day.
This guide covers what you need, what the agent should do, and the details that trip people up.
What you need before you start
- A WhatsApp Business account connected through Meta's WhatsApp Cloud API. A personal WhatsApp number won't work.
- A phone number dedicated to the business account.
- Your Shopify store data: products and orders, so the agent can answer specifically, not generically.
- Your policies in writing: shipping, returns, exchanges, warranty.
- An AI agent platform that supports WhatsApp in the same inbox as your website chat, such as LiveCart.
Decide what the agent should handle
Start with the questions that arrive most often on WhatsApp. For most Shopify stores, that list looks like this:
- Where is my order? The single largest group. The agent should verify the customer and read live status from Shopify.
- Is this in stock? Product, size and colour availability.
- Can I change or cancel my order? Usually a handoff unless you've automated it.
- How do returns work? Policy answers, plus an exchange-first flow.
- Do you have a discount? Answer with current, approved offers only.
Write down what "done" looks like for each. That becomes your workflow.
Set up order lookups safely
Order questions are where an agent saves the most time, and where you need the most care. A safe flow:
- The customer asks about an order.
- The agent asks for the order number and the email or phone used at checkout.
- It checks both match in Shopify before sharing anything.
- It replies with status, carrier and expected delivery in plain words.
- If the order is late or the tracking hasn't moved, it hands off to a person with the details.
In LiveCart, that's a short AI Studio workflow with a verification step and a handoff branch.
Know the WhatsApp rules
WhatsApp separates conversations by who starts them:
- Customer-initiated: the customer messages first. You can reply freely within the service window.
- Business-initiated: you message first, for example a shipping update. These must use message templates that Meta has approved.
Meta charges for some conversations, separately from your software subscription. Check Meta's current pricing for your countries before planning proactive messages.
Make handoff feel natural
Customers on WhatsApp don't care who's replying; they care that the reply is right. When the agent hands off:
- Tell the customer a person is taking over and roughly when.
- Keep them in WhatsApp; your teammate replies from the shared inbox.
- Attach the transcript and a summary so nobody asks the same question twice.
Launch checklist
- WhatsApp Business connected and number verified
- Agent persona written for a messaging tone (short, friendly, no walls of text)
- Policies and product data connected
- Order lookup with verification tested on real orders
- Handoff rules for refunds, damaged items and "talk to a person"
- Templates approved for any proactive messages
Then read every WhatsApp conversation for the first week. You'll find the two or three questions you didn't plan for, and adding them is usually a quick edit to the knowledge base.
