How to write correctly: WhatsApp or WhatsApp?

How to write correctly: WhatsApp or WhatsApp - briefly?

The correct way to write "WhatsApp" is with a capital "W". This applies whether you are referring to the messaging app itself or the act of sending a message using the platform.

How to write correctly: WhatsApp or WhatsApp - in detail?

The correct spelling of the popular messaging app is "WhatsApp". This capitalization style is consistent with the brand's official name and logo, which are stylized as "WhatsApp" with a capital "W" and lowercase letters for the rest. When referring to the application in written or typed communication, it is important to maintain this format to ensure clarity and accuracy. The app's developers have established this spelling convention, and adhering to it helps avoid confusion and maintains professionalism in both formal and informal contexts.