Step-by-Step Guide to Build a WhatsApp
AI Shopping Assistant in 2026

Should You Build an AI Shopping Assistant on WhatsApp?

The short answer: No. You don’t need to start from scratch anymore.

With platforms like TechMonk, everything gets much simpler. TechMonk already offers prebuilt AI agents that handle most of the work for your WhatsApp AI shopping assistant.

Want to know what these WhatsApp AI agents can actually do for your customers? Let’s take a look.

• • Personalised Recommendations : TechMonk’s AI agents use customer data and preferences to suggest products that fit individual needs. This helps customers find what they want faster and makes their shopping experience smooth and enjoyable.
• • Instant Customer Support : Your customers never have to wait for help again. With AI agents available round the clock, they get instant responses to their queries. This keeps them happy, even during busy shopping hours.
• • Order Tracking and Status Updates : AI agents automatically send real-time updates on every order, from shipment to delivery. This builds trust and helps customers stay informed without any effort.
• • Abandoned Cart Recovery : When someone leaves their cart without buying, AI agents send friendly reminders with personalized messages. This gentle nudge often brings them back to complete their purchase and helps increase conversions.
• • Seamless Checkout Process : AI agents guide customers step by step through checkout. They offer secure payment options and help with any issues in real time. This makes buying easy and reduces cart drop-offs.
• • Product Discovery : AI agents help customers find what they want by filtering search results based on their preferences, product availability, and trends. This saves time and makes shopping more personal.
• • Multilingual Support : AI agents can talk to customers in multiple languages. This makes it easy to serve people from different regions and create a more inclusive experience.
• • Real-Time Promotions and Offers : Your AI agent can share discounts, deals, and limited-time offers while customers browse. This keeps them excited and helps drive more sales.
• • Post-Purchase Engagement : Once a customer completes their purchase, AI agents continue the conversation. They ask for feedback, suggest related products, or offer extra help when needed. This keeps your customers engaged. It encourages them to shop again.

Want your AI agents to do even more? You can easily customise and build your own WhatsApp shopping assistant with TechMonk. It’s quick, simple, and completely hassle-free.

How to Build an AI Shopping Assistant on WhatsApp in 3 Steps?

Building an AI-powered shopping assistant has never been easier. You just need the right tools to get started. With them, you can quickly create and customise AI agents that handle customer interactions and help increase your sales.

Ever wondered how simple it can be to set all this up? TechMonk’s easy-to-use platform makes the entire process smooth. It is the perfect solution for all businesses looking to stay ahead in 2026.

Step 1: Pick Tools from the Tool Library

Ready to create your WhatsApp AI shopping assistant? Start by building the right tools using TechMonk’s Tool Library. These tools give your AI agents all the features they need to function smartly and efficiently.

Inside the Tool Library, you’ll find a wide range of prebuilt tools that help your agents handle most tasks across the customer journey. You’ll only need to create new tools if there’s something unique you want your WhatsApp AI agent to do.

Here’s how to build custom tools:

• 1. Open TechMonk’s Agent Builder, head to the Tool Library. Click Create New Tool under the Custom Tools section.
• 2. Enter the tool name, description, and type. Fill in the required fields and click Next.
• 3. If needed, add custom code, set up button details, and click Done to save your tool.

Step 2: Build or Customise Your AI Agent

Once your tools are ready, it’s time to build your AI agents and power them with the tools you’ve just created.

Before getting started, explore the Agent Library – a collection of ready-to-use AI agents designed for different tasks. These agents help make your workflows smoother and faster.

Can’t find an agent that matches what you want your WhatsApp assistant to do? You can easily create one yourself:

• 1. Open the Agent Library, go to Custom Agents, and click Create New Agent.
• 2. Enter the agent’s name, description, and output details in the pop-up window.
• 3. Pick the tools you want from the Tool Library, then click Done to save your AI agent.

Step 3: Create the Agentic Workflow

Now that your agents are set, it’s time to connect them together. This is where you design an Agent Flow, a workflow that links multiple AI agents to manage complete customer journeys.

Think of it as a coordinated system where each agent knows its role. The orchestrator acts like the brain, deciding which agent should handle each task.

Here’s how to build your workflow for customer acquisition:

• 1. In Agent Builder, go to Agent Flow. Then enter the workflow name, description, and input channels.
• 2. Click Next and select the AI agents you want to include. You can also use the search bar to find them quickly.
• 3. Click Next and add custom tools for any agents if needed.
• 4. Choose Save as Draft or Save & Publish to complete your workflow.

How to Ensure Custom AI Agents Perform Exactly the Way You Want?

You might be wondering how much control you really have over your AI shopping assistant for WhatsApp.

With TechMonk’s Agent Builder, you get complete freedom to shape your AI agents just the way you like. It is not just a tool to build your assistant. It also helps you fine-tune every detail with ease.

• Strict Guardrails : Set clear input and output guardrails that accept only valid inputs and keep responses accurate. These guardrails stop misuse or prompt hacking and help you maintain strong quality control.
• Testing Automation : Train and test your AI agents anytime with an LLM Judge. This helps you make sure customers always get accurate and relevant answers to their questions.
• Observability of Workflows :Watch how your AI agents work inside your workflows as they handle customer queries in real time. You can spot issues, improve how agents interact, and build stronger customer experiences.
• Traceability of Conversations :Track AI agent conversations with customers across different channels. See how they create responses for specific questions and find areas that need quick improvement.
• Tracking AI Agent Performance :Measure your AI agent’s performance by checking reasoning, response time, and latency. These insights help you improve efficiency and make your agents perform better over time.

TechMonk: The Most Reliable Platform To Build Your AI Shopping Assistant On WhatsApp

TechMonk gives you everything you need to grow your AI Capital. It includes a strong collection of ready-to-use AI agents and intelligent tools that understand, decide, and take action across your workflows. You may wonder how these agents stay useful over time, and they do that by learning from every interaction. This helps your business run smarter and more efficiently as you grow.

Pre-Built AI Agents to Simplify Everyday Workflows

• AI Sales Agent: This agent manages your entire sales journey from start to finish. It helps customers find the right products and guides them through checkout. It also handles upselling and cross-selling with ease. You boost conversions and increase your average order value without any extra effort.
• AI Support Agent : This agent manages common support tasks like tracking orders, processing returns, or answering FAQs. It delivers instant responses and makes sure customers always get quick and reliable help.

But TechMonk goes beyond ready-made agents. With AgentMonk, its advanced AI agent platform, you create your own custom agents and shape workflows that match your business needs perfectly. You get full control, and you decide how you want each agent to work.

What Makes TechMonk Stand Out From the Rest?

It is the complete customer engagement toolkit that powers its AI agents and makes them stronger, smarter, and more effective.