Over 5 million business users take precedence of this popular messaging platform today. Facebook expanded their platform to include a business application which is an OTT (over-the-top) chat app that brings the functionality & convenience of personal messaging to customer communications. Texting services were traditionally supplied by mobile network operators as native messaging. OTT messaging apps are third-party alternatives to that. WhatsApp Business can be used in conjunction with other mobile channels. This makes WhatsApp for Business an indispensable element of a successful omnichannel marketing strategy.