For years, event marketing has been a key strategy for boosting brand visibility and attracting new customers. About 52% of businesses believe that events provide greater ROI than other marketing channels. However, in today’s digital-first world, grabbing attendees’ attention and ensuring effective communication is more challenging than ever.
One of the biggest challenges for event organizers is ensuring seamless communication with attendees before, during, and after an event. Traditional methods like email often get overlooked, and last-minute updates can be easily missed. Additionally, on-site event support can be difficult, as attendees struggle to find the right contact person when they need assistance.
The solution? WhatsApp.
With over 2.95 billion users worldwide and 450 million monthly active users, WhatsApp provides a direct, real-time communication channel that can increase event attendance, streamline updates, and enhance attendee engagement from start to finish.
Why Choose WhatsApp for Event Promotions?
WhatsApp allows event organizers to engage with attendees in real-time at scale. Some of the most valuable benefits of using WhatsApp for event promotions include:
- Compliance-Ready Communication
WhatsApp Business API enables event organizers to send messages to opted-in attendees without violating WhatsApp’s policies. Unlike cold email outreach, WhatsApp messages reach attendees instantly and have a 99% open rate.
- High Engagement & Faster RSVPs
To attract more attendees, event organizers must ensure invites are seen and acted upon. 90% of WhatsApp messages are read within five minutes, making it an ideal channel for quick responses. Attendees can RSVP with a simple “Yes” or “No”, reducing friction and increasing confirmations.
- Mobile-Optimized Communication
Attendees don’t always check their email during an event—plus, emails don’t have real-time notifications, making important updates easy to miss. But they always have their phone on hand. WhatsApp enables real-time updates so they never miss:
- Keynote speaker & session reminders
- Opening hours & last-minute schedule changes
- Exclusive networking opportunities & VIP access
- Automated Two-Way Support
On-site events are fast-paced, and attendees often need quick assistance—but support teams are busy and spread out. WhatsApp enables instant, AI-powered chatbots to answer FAQs, share event details, and provide real-time support, ensuring frictionless communication.
Example: “Hi John, need help finding a session or updating your registration? Just reply to this message, and our team will assist you in real-time!”
10 Best Practices for Event Promotions via WhatsApp
Before the Event: Build Excitement & Drive Registrations
During the Event: Keep Attendees Informed & Engaged
After the Event: Gather Insights & Keep Engagement Going

Bonus Tip: Use SMS as a Backup Channel
WhatsApp relies on an internet connection, so SMS ensures attendees never miss critical updates.
Fill More Seats at Your Event with WhatsApp
WhatsApp is a powerful event marketing tool, offering real-time communication, automation, and high engagement rates. By integrating WhatsApp Business API, event organizers can increase attendance, enhance attendee experience, and streamline communication—all in one place.
Ready to elevate your event marketing? Mitto can help you leverage WhatsApp and SMS for seamless communication. Contact us today to get started!