As a Fanpage manager, it's advisable to create multiple action buttons on the page, including WhatsApp. This allows customers to quickly contact your managed Fanpage when needed.
Guide to Creating WhatsApp Button on Facebook
How to Add WhatsApp Button to Facebook Fanpage
Download the latest version of Facebook via the following link:
=> Download link for Facebook for Android
=> Download link for
Step 1: On the main interface of the Fanpage you're managing, select the Edit Page function --> Then choose Settings.
Step 2: In the next window, locate and click on the WhatsApp line.
Step 3: Next, click on Continue
Step 4: Enter your phone number and the confirmation code sent to you.
Note: The phone number entered must be associated with a registered WhatsApp account. Without an account, you won't receive the confirmation code sent to your phone.
If you haven't created an account yet, you can refer to how to Register WhatsApp Account HERE.
Step 5: Upon successful login, the screen will display the message: Your account is now connected.
Step 6: Proceed to locate the Use WhatsApp as a button on Page function and ensure this button is activated. If it's not enabled, you can drag the circle to the right to activate it.
And now, your managed Fanpage will display the WhatsApp button.
https://Mytour.vn/cach-them-nut-whatsapp-vao-fanpage-facebook-27216n.aspx
This is the instruction from Mytour.vn on how to add the WhatsApp button to your Facebook Fanpage. During the process, if you encounter any difficulties or issues, feel free to leave a comment below for timely support. Also, check out how to enable Facebook Page Badges on mobile if you're interested.