> ## Documentation Index
> Fetch the complete documentation index at: https://knowledge.bitbybit.studio/llms.txt
> Use this file to discover all available pages before exploring further.

# Coexistence vs WhatsApp API

> Compare the current confirmed setup differences between Coexistence and WhatsApp API in bitbybit before you choose a WhatsApp connection path.

Use this page when you need a short, current comparison before choosing a WhatsApp connection path.

## Overview

Both options connect through Meta, but they do not start from the same merchant setup.

## Current confirmed difference

| Option           | Current confirmed setup summary                                                                      |
| ---------------- | ---------------------------------------------------------------------------------------------------- |
| **WhatsApp API** | Connect this path when you want the current WhatsApp API connection flow in bitbybit.                |
| **Coexistence**  | Connect this path when you want to use **WhatsApp Business App** and Cloud API with the same number. |

## What you need before setup

### WhatsApp API

* available phone number

### Coexistence

* available phone number
* **WhatsApp Business App** installed on your device
* **Facebook Business** account

## Where this matters in the product

The current product area uses these merchant-facing labels:

* **WhatsApp Cloud API**
* **WhatsApp Business App**

You may see those labels when you choose a **Catalog source**.

## Related

* [Connect WhatsApp Business App with Coexistence](/bitchat/how-to-create-and-connect-bitbybit-using-meta-coexistance)
* [Choose your WhatsApp Catalog source](/bitchat/how-to-choose-your-whatsapp-catalog-source)
* [Choose a message template for WhatsApp API automation](/bitcrm/how-to-create-a-message-template-for-whatsapp-api-automation)