Sinch Engage

Event text messaging service for every stage of your event

Reach every attendee, volunteer, and staff member by text – before, during, and after your event. Sinch Engage sends your updates on the carrier network Sinch runs itself, so time-sensitive messages arrive when they matter.

  • Send save-the-dates, day-of updates, and follow-ups from one platform.

  • Reply to attendee questions in a shared team inbox.

  • Schedule your entire message sequence before the event starts.

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Why event teams trust Sinch Engage

20+ years

Two decades of business messaging, first as MessageMedia, now as Sinch Engage.

5B+ SMS yearly

Billions of messages delivered every year across the Sinch network.

99.9% reliability

System uptime your day-of updates can depend on.

24/7 support

Live chat and email support around the clock.

Event SMS

What is event text messaging?

Event text messaging, also called SMS for events, is the practice of texting updates to attendees, staff, and volunteers across the full event lifecycle – reminders before, real-time changes during, and follow-ups after. An event text messaging service like Sinch Engage sends those messages from a dedicated business number, so you can text hundreds or thousands of people at once and manage every reply in one inbox.

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Why text messaging works for events

The numbers below come from SimpleTexting’s 2026 SMS marketing report, a survey of 1,000 consumers and 400 marketers.

Read in minutes

74% of consumers check their text notifications within five minutes of receiving one.

Opted in already

85.6% of consumers are opted in to receive texts from at least one business.

Texting daily

82% of consumers text every day, making SMS the channel your guests already use.

Reminders welcome

Appointment and reservation reminders are among the top reasons consumers subscribe to texts.

Build attendance

Send save-the-dates, confirmations, and reminders

Schedule your full sequence in advance – a save-the-date, a one-week reminder, and a final nudge. Telarus saw noticeable attendance improvements after adding reminders 48 and 24 hours before events. Personalize every message with first names pulled straight from your contact list.

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Day-of logistics

Share real-time event updates via SMS

Parking changes, session swaps, weather calls – day-of updates reach phones in seconds, not inboxes. Send to everyone at once, or target just volunteers, VIPs, or a single session’s attendees. Staggered sending keeps even the largest blasts flowing smoothly.

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After the event

Follow up with thank-yous and surveys

A thank-you text keeps your event top of mind and tees up the next one. Telarus achieved their highest-ever survey response rates by collecting feedback over SMS. Close the loop while the experience is still fresh.

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Two-Way Texting

Answer attendees with two-way event texting

Attendees will reply – and those replies shouldn’t land on one person’s cell phone. Sinch Engage collects every response in a shared inbox where your whole team can see them and answer.

  • Assign conversations to the right team member, from registration questions to vendor logistics.

  • Automate answers to common questions like directions and parking with reply templates.

  • Confirm attendance automatically when guests respond to your reminders.

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Event Mass Texting

Text 50 guests or 50,000 attendees at once

Bulk SMS for event messaging fails when it runs on tools that were never built for volume – numbers get flagged and messages quietly disappear. Sinch Engage is an event SMS platform that sends on the Tier 1 carrier network Sinch operates itself, with a dedicated number registered for business sending from day one.

  • Import thousands of contacts from a CSV and reach them in one broadcast.

  • Stagger large sends to keep delivery smooth on event day.

  • Rely on the same Sinch network that carries billions of messages every year.

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Beyond SMS

Reach international attendees on their preferred channels

Guests traveling from abroad may not check SMS at all. Sinch Engage sends WhatsApp, RCS, and MMS alongside SMS from one platform, so every attendee gets updates on the channel they actually use. It’s the same platform, formerly MessageMedia, that has handled event messaging across Australia, New Zealand, Europe, United States, and more for two decades.

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Use cases

One texting service for every kind of event

Whether you run one wedding or two hundred touring shows, the playbook is the same: Timely texts fill seats.

Conferences and trade shows

Keep multi-day events on track with instant session reminders, room changes, and speaker updates.

Venues and live entertainment

Announce on-sales, remind ticket holders, and handle day-of logistics for every show.

Fundraisers and community events

Coordinate volunteers, boost turnout, and manage waitlists with simple text updates.

Festivals and fairs

Send weather alerts, schedule updates, parking info, ticket links, and vendor resources.

Schools and campus events

Reach students, parents, and staff in seconds for game days, graduations, and campus gatherings.

Sports and races

Keep participants and fans informed with schedule updates, weather delays, and venue changes.

Room to grow

Simple enough today, powerful enough at scale

Import a list and send your first campaign in minutes – no training required. When your event program grows, Sinch Engage grows with it: shared inboxes, subaccounts for multiple locations or event brands, and Single Sign-On for larger teams. Forbes Advisor rates Sinch the best mass texting service for multichannel messaging.

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“We had great success using Sinch to enhance our recent Telarus Partner Summit. We’re excited to continue using the platform for future events. Their Sinch Engage platform is a game changer.”
1,800+
Attendees coordinated at their largest annual Partner Summit.
Richard Murray Chief Commercial Officer at Telarus
Read the customer story
“Sinch Engage is a no-brainer. It’s accessible, customizable, and responsive. The results spoke for themselves. We saw strong conversion rates, making it a worthwhile investment.”
8,000+
Weekend attendees welcomed across 200 events each year.
Chad Collins CEO at Family Quest Entertainment
Read the customer story

Your existing tools

Connects to the tools you already use

Trigger event texts from the CRM your team lives in, or bridge to anything else with Zapier and Workato. Registration data flows in, replies flow back – no exports required.

Explore all integrations
Salesforce HubSpot NetSuite Zoho CRM Shopify Zapier Workato Salesforce HubSpot NetSuite Zoho CRM Shopify Zapier Workato

How it works

How to send an event text message

Your first campaign takes minutes, not a training course. Here’s the full flow inside Sinch Engage.

1. Pick your number

Choose the dedicated Sender ID your event messages will come from.

2. Add your guest list

Paste numbers from a spreadsheet or import a CSV – extra columns become personalization fields automatically.

3. Compose and test

Write your message, drop in first names, and text a preview to yourself before the big send.

4. Send or schedule

Send now, schedule for later, or set a recurring cadence. Track delivery in real time from your desk or the Sinch Engage mobile app.

Event texting FAQs

Event text messaging questions, answered

Everything organizers ask before their first campaign.

Regular group texts cap out fast: iMessage groups max out at 32 people, and mixed iPhone-and-Android groups are typically limited to 20 by the carriers. An event text messaging service sends each message individually from a dedicated business number, so you can reach thousands of guests at once and nobody gets a reply-all. Sinch Engage also registers your number for business sending, which keeps carriers from flagging high-volume sends.

Free tools exist, but they hit carrier volume limits quickly and often get filtered at event scale. Sinch Engage offers a free 14-day trial, and paid plans start at $49 per month with a dedicated number and 1,000 SMS included. Nonprofits get discounted pricing – it’s part of why Camp Quality chose Sinch Engage for its event invites and reminders.

See pricing

Reminders keep your event top of mind at the moments that matter – and per SimpleTexting’s 2026 SMS report, 74% of consumers check text notifications within five minutes. Telarus saw noticeable attendance improvements after adding reminders 48 and 24 hours before events.

Any event where people need timely information: conferences and trade shows, concerts and venue shows, fundraisers, weddings, school and campus events, and community gatherings. If your guest list runs past a couple dozen people, texting beats a group chat.

Yes – replies land in a shared team inbox instead of anyone’s personal phone. Your team can answer directly, assign conversations, or set automated responses for common questions like parking and directions.

No. An event texting service sends standard SMS, so any phone that can text can participate – no downloads, no accounts, no smartphone required.