WhatsApp automation on Android: tools, limits and strategies

What the WhatsApp Business app automates

The free WhatsApp Business app, available on Android and iPhone, includes a few automation features that cost nothing and carry no risk:

• Greeting message: sent automatically the first time someone writes to you, or after a long gap.
• Away message: sent outside the business hours you set, or always, while you are unavailable.
• Quick replies: saved answers you insert by typing / and a shortcut, for questions you get every day.
• Labels: coloured tags such as "New order" or "Paid" to sort chats. You apply them by hand.
• Catalog: products or services customers can browse inside the chat.
• Business profile: address, hours, website and description shown to customers.

Set these up first. A greeting that tells customers your hours and what information to send already saves a lot of back and forth. To bring customers into the chat in the first place, create a click-to-chat link and QR code with our WhatsApp link generator.

Where the Business app stops

• Greeting and away messages are fixed text. There is no logic, no conditions and no way to answer a specific question automatically.
• Nothing connects to your other systems. An order in your shop does not send a WhatsApp update by itself.
• One phone means one person at a time. Linked devices let you open the same account on a few computers or tablets, but there is no assignment, no internal notes and no way to see who answered what.
• Broadcast lists only reach people who saved your number, and sending the same text to many people by hand is slow and error-prone.

Auto-reply apps on Android

Play Store apps that promise WhatsApp auto-replies usually work by reading notifications and replying through them. They can answer keywords with set text, but:

• they need wide access to your notifications, which includes every message from every app;
• they stop working when the phone sleeps, the app is killed by battery optimisation, or WhatsApp changes its notifications;
• they cannot start a conversation, send to a list or connect to your shop or CRM;
• fast, identical replies at all hours can make a number look automated to WhatsApp.

They are fine for a personal "I'm driving" reply. They are not a base for a business.

Moving beyond the phone

When the phone becomes the bottleneck, there are two ways forward. Both let you keep the number your customers already have.

The official WhatsApp Business Platform

Meta's API, used directly or through a provider. It is built for large volumes and backed by Meta's policies, but it needs business verification, and messages you start more than 24 hours after a customer last wrote must use templates Meta has approved. Check with the provider whether the number can stay in the WhatsApp Business app at the same time; without that option, a number moved to the platform no longer works in the app.

A linked-device service such as Oxtro

Oxtro, our product, connects to your existing number as a linked device, the same way WhatsApp Web does. You scan a QR code once, and the phone keeps working as before. From then on:

• your team answers every chat in a shared inbox, side by side, with conversations assigned to people;
• templates with variables replace copy-paste, for example "Hi {{customer_name}}, your order {{order_number}} has shipped";
• campaigns send a template to a tagged list of contacts at a controlled pace;
• your shop or backend sends order updates and login codes through the REST API, and receives replies through webhooks.

There is no verification step and no template approval. The trade-off: Oxtro is not the official platform, so WhatsApp's rules about automated messages apply to your number. Read the number safety guide before you automate.

Strategies that keep automation working

• Automate the expected messages first. Order confirmations, shipping updates, appointment reminders and verification codes are messages customers want. Start there, not with promotions.
• Ask before you add someone. Collect the number yourself, say you will message on WhatsApp, and keep a note of it.
• Keep a person in the loop. Automation should start conversations and answer routine questions. When a customer replies, a human should be able to take over in the same thread.
• Send personal content. Use variables so each message is about that customer's order or appointment, not the same text to everyone.
• Pace your sending. A burst of hundreds of messages from a number that normally sends a few dozen looks like spam. Raise volume gradually.
• Watch the signals. If people block you or messages start failing, slow down and look at what you are sending.

A simple path

1. Set up greeting and away messages and quick replies in the Business app today.
2. When more than one person needs to answer, move to a shared inbox.
3. When your shop or app should send messages on its own, connect it through an API.

If you sell online, see how order notifications work with Oxtro, or read the WooCommerce integration.