WhatsApp bot to take orders in your distribution business

What is a WhatsApp bot to take orders?

It is a conversational AI assistant, connected to the WhatsApp Business Platform, that replaces manual order entry. The customer sends the order the way they always do (a message, a list, a voice note) and the bot does what a person does today: reads what was ordered, identifies it in your catalog, checks availability and leaves it loaded.

It is not a button menu or a reply tree. It is a system that understands natural language, tolerates the customer writing "10 bags of cement" or "send me the usual plus 5 number 8 rebars", and translates it into a structured order with codes, quantities and prices from your real catalog.

How it works, step by step

The flow, from the customer's end to your system, is this:

1. The customer types or sends a voice note. They order over WhatsApp as always, in their own words. Text, list or voice note.
2. The AI interprets the order. It transcribes the audio if needed and extracts each product and quantity from the message, even if it comes in messy or with informal names.
3. It matches against your catalog. It links each item to a real product with its code and price. If something is ambiguous, it asks back before continuing.
4. It checks stock. When connected to your system, it verifies availability and flags on the spot if something is missing or needs to be replaced.
5. It confirms with the customer. It shows the assembled order, with quantities and total, for the customer to approve before loading it.
6. It loads the order on its own. It writes it into your ERP or spreadsheet via API. No one types it again.

Why it pays off more in B2B wholesale than in retail

Automated order taking gives its best return in distribution and wholesale, not in retail to the end consumer. The reason is simple: the value is in the repetition.

• Recurring orders. A wholesale customer orders many times a month, almost always similar products. The bot learns that pattern and loads in seconds what used to be a long conversation.
• Long catalogs. Distributors, building suppliers and hardware stores handle thousands of SKUs. Matching against that catalog by hand is slow and error-prone; the AI does it instantly.
• WhatsApp is already the channel. In Latin American B2B the order already comes in over WhatsApp. You do not have to change the customer's habit, just automate what they already do.
• The cost is in the entry, not the sale. In wholesale you do not need to convince anyone to buy; you need to load fast and without errors. That is where the bot takes hours of administrative work off the table.

In retail, by contrast, the order is usually one-off and low value, and the payoff of automating it is smaller. Recurring B2B is where the numbers add up.

Real case: a construction company that stopped entering orders by hand

A building and works construction company received material orders over WhatsApp and entered them one by one by hand: someone on the team read the message, looked up each product in the catalog, checked stock and typed it into the system. Each order was several minutes of work, and entry errors (a wrong code, a changed quantity) were discovered late, on the job site.

We built a bot on the WhatsApp Business Platform, with the unified inbox in Chatwoot and the interpretation and loading logic orchestrated in n8n. Now the order arrives over WhatsApp, the bot interprets it against the catalog, checks stock and loads it on its own.

The results, in person-hours:

Anonymized case. The figures are representative of the kind of person-hour savings that automating order taking generates for this client profile.

What you need to integrate it

To put an order bot in production you need three concrete things:

• The WhatsApp Business Platform (Meta API). The number is registered and approved with Meta. The regular app or the free Business version will not do: automation and integration need the official API.
• Your digital catalog. The product list with codes, prices and, if you have them, equivalences or informal names. This is what the AI matches each order against.
• A connection to your system. An API to your ERP (Bejerman, Aspel, Odoo) or the spreadsheet you use, so the order is loaded and stock is checked with no manual steps.

The bottleneck is almost never the bot development: it is access to your systems and examples of how orders come in and get loaded today. That is the first thing we ask for to get started.

How much does it cost?

There is no single price: it depends on the catalog, the integration with your system and the complexity of the flows. These are market ranges for an order of magnitude, not a quote.

On top of that there is Meta's cost: the WhatsApp Business Platform charges per conversation, so the monthly API spend scales with message volume. That cost goes straight to Meta, not to us. At Duotach we quote by scope: you tell us what you want the bot to do and which system it connects to, and we give you a number for that concrete scope.

Custom bot vs. closed SaaS

There are ready-made SaaS platforms for taking orders over WhatsApp. They work if your operation fits their mold. The real difference is this:

• Closed SaaS. Fast to start and cheap upfront, but you adapt to their catalog, their fields and their integrations. If your ERP is not on the list or your way of ordering does not fit, you are out. The monthly fee never ends.
• Custom bot. It integrates with your real system, interprets orders the way your customer sends them and handles your business logic (minimums, per-customer price lists, replacements). It costs more upfront, but it is yours and grows with the operation.

For a distributor with its own catalog, ERP and recurring orders, the custom bot almost always pays off more: the savings in entry hours pay for the development, and you are not tied to a third-party platform's limits.

Frequently asked questions