# Register a Co-existing Number

### Requirements 

* [ ] Number Must be on Registered WhatsApp Business App 
* [ ] Old Facebook account
* [ ] 4-5 pages professional website

### How to Register A WhatsApp Business App Number with WhatsApp API 

1. Click on **Connect** to start the process.
2. Log in using **Facebook Business Manager** and click **Continue**.
3. Select your **Business Portfolio** and **WhatsApp Business Account**.
4. Click **Next**.
5. Enter your **WhatsApp Business Phone Number** and click **Next**.
6. Scan the **QR Code** shown on the screen.
7. Allow **Permissions** to import **Contacts & Chat History (last 6 months)** and click **Confirm**.
8. Wait up to **45 Seconds** for the number to connect.
9. Once connected, enter your **WhatsApp Business Account Name** and **Select Time Zone**.
10. click **Next**.
11. Click **Confirm** to complete the setup.
12. Select the **Coexisting Number**, add the **Channel Title**, and choose the **Color Code**.
13. Your **Coexisting WhatsApp Number** is now visible on platform.
14. Click on **WhatsApp icon** and click on **Complete WA BIZ Onboarding**
15. And you **Coexisting WhatsApp Number** is **Successfully Connected to the Panel**. 

#### Video Tutorial -

{% embed url="<https://youtu.be/mW3ZA1A83EM>" %}


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://helpdocumentation.gitbook.io/user/messaging-channels/whatsapp-api/getting-started-with-whatsapp-api/register-a-co-existing-number.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.