WhatsApp Coexistence

Keep your WhatsApp Business app and add an AI agent to it

Coexistence is Meta's official way to run one number on your phone and in Ciarem at the same time. Customers keep writing to the same number, and the AI stops the moment you answer from the phone.

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What keeps businesses on the phone

  1. Moving to the API means giving up the app and the chats on your phone.

    1. With Coexistence the app keeps working, and the last 6 months of chats sync into Ciarem.

  2. If a bot answers on your number, it will talk over you.

    2. When you reply from the phone, the AI stops immediately, even mid-reply, and leaves the conversation to you.

  3. Your team can't see what you answered from your phone.

    3. Replies from the app show in the Inbox within seconds, labeled WhatsApp Business app, so the thread is always complete.

One number, two places

A customer writes and the message arrives on your phone and in Ciarem's Inbox. When the AI replies, the reply also appears in your app's thread, as if you had written it. Edits and deletions you make on the phone sync to Ciarem too.

  • Your number, your app and your customer chats stay where they are
  • Messages sent from the app never count toward your Ciarem message usage
  • Greetings, away messages and labels keep working on the app side

You stay in control

The moment a reply from the app arrives, the conversation is marked as handled from the app and the AI stops, cancelling even a reply it was writing. Ciarem's composer locks, with a Take over button for when someone wants to continue from the Inbox.

Limits to know before you connect

Coexistence is Meta's setup, and it comes with Meta's limits. Writing from Ciarem more than 24 hours after a customer's last message needs an approved template, while the app keeps writing as usual. Once connected, the number can't be de-registered from the API.

  • Groups, catalog, broadcast lists and Status stay in the app
  • Sending from Ciarem is capped at 20 messages per second
  • Your phone must stay online: about 14 days offline breaks the connection
  • Linked devices like WhatsApp Web are signed out, and calls keep ringing on the phone
  • Disappearing messages, view once and live location turn off in 1:1 chats

Move to a dedicated line when you grow

When more teammates answer from the Inbox and volume goes up, you can connect the number as a dedicated WhatsApp Business API line instead. It runs without a phone, sends up to 80 messages per second and takes voice calls in Ciarem, but the number no longer lives in the Business app.

How to get started

Connect without leaving the app

  1. 01

    Choose Coexistence

    In Channels > WhatsApp, click Connect WhatsApp Business, then WhatsApp Business App (Coexistence).

  2. 02

    Log in and confirm on your phone

    Sign in with Facebook and select your Meta Business Account. Meta sends a code to the WhatsApp Business app; confirm it there. The app stays logged in.

  3. 03

    Let it finish

    The line card shows connecting, then importing while your recent chats sync, then ready. The line already works while history imports.

Frequently asked questions

Yes. That is what Coexistence is: Meta's official way to run one WhatsApp Business number in the app on your phone and in Ciarem at once.

No. The number must be active on the WhatsApp Business app, in a recent version, and you need access to a Meta Business Account (the flow helps you create one).

No. Your chats stay on the phone, and the last 6 months of history sync into Ciarem so the AI has context. Anything older stays only in the app.

Your reply shows in Ciarem within seconds and the AI stops on that conversation right away. Someone can click Take over in the Inbox to continue from Ciarem.

No. Calls keep ringing in the WhatsApp Business app on your phone. Calling in Ciarem needs a dedicated API line.

On Solo ($25 a month), WhatsApp connects with Coexistence. Growth and Scale include a dedicated WhatsApp Business API line.

Your next customer already wrote to you.

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