WhatsApp Business Platform, number coexistence

Keep your WhatsApp number. Run the app and the API, side by side.

TeamInbox brings true WhatsApp number coexistence to your business. Keep the WhatsApp Business App your team already knows, and connect the same number to the WhatsApp Cloud API for automation, reporting, and a shared inbox. No new SIM, no lost history, no downtime.

  • Phone number coexistence, not a new SIM
  • Dual WhatsApp number usage across your team
  • WhatsApp Business Platform coexistence, Meta approved
100%
Chat history retained
0
New numbers required
Under 48h
Typical time to go live
100+
Businesses onboarded
The basics

Understanding WhatsApp number coexistence

WhatsApp number coexistence lets one number run on the WhatsApp Business App and the WhatsApp Business Platform at the same time. It is WhatsApp Business API coexistence built directly by Meta, so businesses do not have to choose between the app they already trust and the automation an API unlocks, or give up the number their customers already have saved. This is true WhatsApp Business app and API coexistence, not a workaround.

Before coexistence, connecting a number to the WhatsApp API meant migrating away from the app entirely. Embedded Signup changed that. The same number WhatsApp API and app now share one WhatsApp Business Account (WABA), with a Meta Business Solution Provider (BSP) like TeamInbox handling the connection and keeping WhatsApp app chat history migration synced in both directions.

Connect existing WhatsApp number to API without losing chats

During onboarding, Meta's Embedded Signup flow detects that your number is already active on the Business App. Instead of migrating it, it links the same WABA to both the app and the Cloud API, and keeps message history synced between them.

Use same WhatsApp number on app and API simultaneously

The number, the profile, and the verified status stay the same. Only where you send and receive messages from expands to include your API-connected tools like TeamInbox, so nothing about your existing setup gets replaced.

Keep WhatsApp Business app while using API

Existing conversations on the app remain intact, and going forward, messages sent or received through the API are synced back to the app through a linked companion device, so history stays in one place.

Setup Flow

How to enable WhatsApp number coexistence

Four steps, in this order, handled as part of our WhatsApp Business API coexistence setup and ongoing WhatsApp coexistence setup service.

  1. Start Embedded Signup

    Connect your existing WhatsApp Business number through Meta's official Embedded Signup. This lets you migrate WhatsApp Business app to API without changing number, and without deleting the app or its data.

  2. Meta verifies eligibility

    Meta checks the number's current status and confirms coexistence is supported for your account and country.

  3. API connects, app stays live

    Your number links to the WhatsApp Cloud API and to TeamInbox, giving you WhatsApp Business app and Cloud API on same number from day one.

  4. Manage both from one place

    Reply from your phone or from TeamInbox's shared inbox. Every conversation, template, and automation stays in sync.

What You Keep, What You Gain

Everything coexistence unlocks

A clear picture of what stays the same, what changes, and what runs alongside it.

  • Full WhatsApp API integration

    Your team can keep replying from the app, while automations and shared-inbox agents work through TeamInbox on the same thread using full WhatsApp API integration.

  • Companion device sync

    The WhatsApp Business App becomes a WhatsApp companion device once coexistence is enabled, similar to WhatsApp Web. Two-way WhatsApp sync keeps messages flowing in both directions with accurate timestamps.

  • Verified badge stays available

    WhatsApp green tick verification and business verification remain available under coexistence. Enabling coexistence does not change your eligibility for Meta verification.

  • App features move, not disappear

    A few app-only tools, like the built-in catalog editor and quick-reply shortcuts, move to being managed through the API side instead. Nothing is lost, just relocated.

  • Messaging limits carry over

    Your existing conversation-based pricing and WhatsApp messaging limits apply as usual, and grow with your quality rating over time within the standard 24-hour service window.

  • Reversible by design

    You can fully migrate to an API-only setup later, or keep both indefinitely. Coexistence is a state your number stays in for as long as it is useful to you.

  • Automation and chatbots

    Run powerful automations and chatbots through the API while your team continues human conversations in the WhatsApp app.

  • Broadcasts and templates

    Send broadcasts and approved message templates via the API while maintaining personal conversations in the app.

  • CRM and message sync

    Keep your CRM, helpdesk, and other tools in sync with WhatsApp conversations in real time for a unified customer experience.

Coexistence Versus Migration

WhatsApp coexistence vs traditional migration

Migration moves your number to the API only. Coexistence lets both live on together, side by side, on the same line.

Consideration
Traditional API Migration
WhatsApp Coexistence (TeamInbox)
Business App access Lost once migrated Stays active alongside API
Chat history Not carried into the app Synced across app and API
Number continuity Same number Same number
Setup risk Higher, a one-way switch Lower, gradual and reversible
Automation and shared inbox Full access Full access via TeamInbox
Field staff using the app Must switch tools Can keep using the app
Time to go live 3 to 7 days Under 48 hours
Who Uses Coexistence

Built for teams not ready to
give up the app

Small Business

WhatsApp number coexistence for small business

Owners who reply personally from a phone can still add automation for FAQs, hours, and order status, without handing the number to a separate tool.

Field and Retail Teams

Staff who live in the app

Frontline teams keep using the WhatsApp Business App on the shop floor, while HQ runs broadcasts and reporting through TeamInbox on the same number.

Growing Support Desks

Migrating without downtime

Test automation gradually before fully shifting agents into the shared inbox, with the app running as a safety net throughout.

WhatsApp Coexistence Setup Service

WhatsApp coexistence pricing
built around your team

TeamInbox works as your WhatsApp coexistence service provider and WhatsApp coexistence integration company, whether you need a light WhatsApp coexistence setup agency touch or full WhatsApp coexistence managed service support.

Best for hands-on teams

Self-Guided Setup

Run Embedded Signup yourself, at your own pace, with our documentation as your guide.

  • Step-by-step setup documentation
  • Embedded Signup walkthrough
  • Email support
Start self-guided setup
Most teams start here

Managed Onboarding

We handle your WABA and Embedded Signup end to end, then stay close through your first month live.

  • A dedicated onboarding specialist
  • WABA & Embedded Signup handled for you
  • Chat history verification
  • Priority support for 30 days
Book managed onboarding
Best for multi-number migrations

Migration Consulting

Bring an API coexistence consultant onto a full migration across multiple numbers.

  • Multi-number rollout planning
  • Compliance & policy review
  • BSP-level support
Talk to the consulting team

Every plan sets up one WhatsApp number for coexistence. Your team keeps using the WhatsApp app while the Business API runs alongside it — same number, no interruption. Automation and existing-number workflows layer on whenever you’re ready for them.

Frequently Asked Questions

WhatsApp number coexistence, common questions

It is a WhatsApp Business Platform feature that lets one number stay active on the WhatsApp Business App and the Cloud API at the same time, so a business keeps its existing app while gaining API-level automation on the same line.

Meta's Embedded Signup flow detects that a number is already active on the Business App. Instead of migrating it, the flow links the same WABA to both the app and the Cloud API, and keeps message history synced between them.

Yes. That is the entire premise of coexistence. The number, the profile, and the verified status stay the same, while where you can send and receive messages from expands to include API-connected tools like TeamInbox.

No. Existing conversations on the app remain intact, and messages sent or received through the API sync back to the app through a linked companion device, keeping history in one place.

Coexistence rolled out in phases and now covers most countries on WhatsApp's Business Platform, including India, the United States, Brazil, and Indonesia. TeamInbox checks eligibility for your specific number at the start of onboarding.

Pricing depends on your current setup, the number of agents involved, and whether managed onboarding is included. Self-guided setup, managed onboarding, and migration consulting are priced as separate packages.

Migration moves a number to the API only and disconnects it from the Business App permanently. Coexistence keeps both connected to the same number at once, so nothing is switched off.

Yes. Your team can keep replying from the app, while automations and shared-inbox agents work through TeamInbox on the same thread, all synced to the same conversation.

Start Embedded Signup, wait for Meta to verify eligibility, let the API connect while the app stays live, then manage both from a single shared inbox. TeamInbox guides each step, or handles it for you with managed onboarding.

Yes. You can fully migrate to an API-only setup later, or keep both indefinitely. Coexistence is a state your number stays in for as long as it is useful to you.

A few app-only tools, like the built-in catalog editor and some quick-reply shortcuts, move to being managed through the API side instead. Core messaging, media, and contact features remain available.

There is no fixed schedule required for coexistence to keep working, but keeping the app installed and occasionally online helps keep the companion-device sync current, the same way WhatsApp Web behaves.

Yes. Business verification and the official green tick remain available under coexistence. Enabling coexistence does not change your eligibility for Meta verification.

Existing conversation-based pricing and daily messaging limits carry over as usual, and grow with your quality rating over time within the standard 24-hour service window.

Availability is tied to Meta's rollout schedule rather than a fixed list. TeamInbox confirms current country support at the time you start setup, since Meta continues expanding coverage.