How to manage WhatsApp, Instagram and Messenger messages from one inbox

If your customers write to you on WhatsApp, comment on Instagram and message your Facebook Page, you know the routine: three apps, a few phones, and the nagging feeling that someone is still waiting for an answer.

A shared inbox fixes this by putting every conversation in one list that your whole team can work from. This guide covers how to set one up and the habits that make it work.

Why answering from phones stops working

Phones are fine while one person handles a few chats. As messages grow, the same problems appear in almost every business:

• Messages get lost. A chat read on one phone looks handled on another.
• Customers get two answers, sometimes with two different prices.
• Nobody can cover. When the person with the phone is off, the inbox is off too.
• There is no record. It is hard to see what was promised, or how long people waited.

What a shared inbox does

A shared inbox collects messages from every channel into one place. Each conversation shows which app it came from, who is handling it and whether it is still open. Team members sign in with their own accounts, so you always know who replied.

Step 1: Connect your channels

Before you start, check you have the right accounts:

• WhatsApp: a number on Meta's WhatsApp Business Platform, owned by your Meta business account.
• Facebook Messenger: a Facebook Page where you have full control.
• Instagram: a professional (business or creator) account linked to that Page, with "Allow access to messages" turned on in the Instagram app.

Connect them one at a time and send yourself a test message on each, so you know replies come back the right way.

Step 2: Decide who answers what

Agree on a simple rule before the first busy day. Common ones are:

• by channel: one person looks after Instagram, another after WhatsApp
• by topic: sales questions to sales, delivery problems to support
• by turn: whoever is free picks up the next unassigned chat

Whatever you choose, the rule is the same for everyone: assign a chat to yourself before you reply. That single habit prevents almost all double answers.

Step 3: Write saved replies for your top questions

Look back at the last week of messages. Most businesses find that the same ten questions make up most of the volume: price, sizes, stock, delivery time, delivery charges, payment methods, returns, location and opening hours.

Write a clear answer for each and save it as a quick reply. Your team answers faster, and every customer gets the same correct information.

Step 4: Set your hours and a reply-time goal

Tell customers when you are available, and set an away message for the rest of the time. Then pick a goal you can keep, for example "every chat answered within 15 minutes during opening hours", and check it once a week.

Step 5: Let the routine questions answer themselves

Once your saved replies are in good shape, they make an excellent starting point for an AI assistant. Give it your price list, delivery rules and policies, and let it handle the simple questions, especially at night. Make sure it hands the chat to a person when a customer asks for one or when it is not sure.

Step 6: Review once a week

Spend fifteen minutes each week on three questions:

1. Which chats waited longest, and why?
2. Which questions came up most, and do we have a saved reply for each?
3. Did any customer get a wrong or slow answer we can learn from?

Common mistakes to avoid

• Keeping the old phone in use "just in case". Messages answered outside the inbox leave gaps in the history.
• Leaving chats unassigned. If everyone owns it, nobody does.
• Closing chats too early. Resolve a conversation only when the customer has what they need.

Getting started

SocialChat puts WhatsApp, Instagram, Messenger, Telegram, TikTok, email and website chat into one inbox, with assignment, private notes, saved replies and an AI assistant built in. You can compare the plans or read about the features.