# Event organizers: free WhatsApp reminders guests actually read > RSVP confirmations, D-1 reminders and venue changes by WhatsApp, SMS and email from your own number. One request reaches all three. Free plan, no card. Source: https://unlimitedmessaging.app/articles/event-organizer-whatsapp-sms-reminders Events · Weddings · Conferences · WhatsApp · SMS # Every guest informed, _even when plans change at 6 pm._ The confirmation after signing up, the reminder the day before, the "we moved to room B" an hour before doors open: Unlimited Messaging sends them by WhatsApp, SMS and email, from your own number and address. [Start for free](https://app.unlimitedmessaging.app)[See the SMS channel](https://unlimitedmessaging.app/channels/sms) The week before an event ## A guest list, a venue, and a forecast that keeps changing Unlimited Messaging lets an event organizer message guests by WhatsApp, SMS and email from their own number, mailbox and phone, and automate RSVP confirmations, day-before reminders and last-minute updates from a guest list or a ticketing tool. Monday you chase the RSVPs that never came. Thursday the caterer needs final numbers. Friday it rains, the garden party moves indoors and 80 people need to know before they leave home. A newsletter tool sends a nice email that lands in Promotions; a WhatsApp group with 80 strangers turns into noise. With Unlimited Messaging, each guest gets a personal message on the channel they read: WhatsApp first, SMS from your Android phone for those without it, and the full programme by email from your own address. One request can send all three. A new row in Google Sheets or an Eventbrite order can trigger the confirmation through n8n, and replies like "we'll be 3, not 2" land in one inbox. Same idea for [hotels confirming bookings](https://unlimitedmessaging.app/articles/hotel-whatsapp-booking-confirmations) and [restaurants reminding guests](https://unlimitedmessaging.app/articles/restaurant-sms-reservation-reminders). Texting from your own phone is explained on [the SMS page](https://unlimitedmessaging.app/channels/sms). ![Illustration: a calendar with highlighted days, with the headline “Every guest told, even at the last minute”.](https://unlimitedmessaging.app/_next/image?url=%2Fassets%2Farticles%2Fcovers%2Fevent-organizer-whatsapp-sms-reminders-en.png&w=3840&q=75) Definition Day-before event reminder A personal message sent to each registered guest the day before an event, with the time, the address and what to bring, by WhatsApp, SMS or email from the organizer's own number or address. D-1 reminder, guest reminder, event SMS reminder, RSVP reminder, attendee reminder What changes ## What Unlimited Messaging changes for an event organizer Guests hear from you personally, on the app they check, and a change of plan reaches everyone in one go. 1. 01 ### Confirmations without copy-paste With n8n, a new line in your Google Sheets guest list or a new Eventbrite order sends a personal confirmation with the date, place and a link to the programme. 2. 02 ### One request, three channels The same update can go by WhatsApp, SMS and email in a single API call or n8n step, so a guest who missed one still sees another. 3. 03 ### Last-minute changes that land Rain plan, new room, delayed start: send the change to the whole list from your own number, and read the "OK, thanks" replies in one inbox. 4. 04 ### Your number, free to start Link your WhatsApp by QR code, your mailbox over IMAP/SMTP and your SIM through the Android app. No per-message fee, on the free plan too. Setup ## Ready in 3 steps, before invitations go out 1. 01 ### Create your account Free sign-up, no credit card. The free plan sends unlimited messages. 2. 02 ### Link WhatsApp, email and SMS Scan the QR code with WhatsApp, connect your mailbox, and install the Android app for guests without WhatsApp. 3. 03 ### Connect your guest list In n8n, plug Google Sheets or Eventbrite into the Unlimited Messaging node for confirmations and the day-before reminder, or ask Claude to send the change. Copy-ready messages ## 5 messages guests should get from you Replace what is in brackets. Short enough to read on a phone, personal enough not to feel like a mailing. 1. 01 · WhatsApp ### Registration confirmed Hi \[First name\], you're on the list for \[event\] on \[date\] at \[time\], \[venue\]. The programme is here: \[link\]. See you there! 2. 02 · WhatsApp ### Day-before reminder Hi \[First name\], see you tomorrow at \[time\] for \[event\], \[address\]. Doors open at \[time\]. Can't come any more? Just reply here so we can free your seat. 3. 03 · SMS ### Last-minute change Change for \[event\] today: we've moved to \[new place\] because of \[reason\]. Same time, \[time\]. Questions? Reply to this message. \[Your name\] 4. 04 · Email ### Full programme and practical info Hello \[First name\], Here is everything for \[event\] on \[date\]: the schedule, the address with parking and transport options, and who to call on the day: \[phone\]. See you soon, \[Your name\] 5. 05 · WhatsApp ### Thank you and photos Thank you for coming to \[event\], \[First name\]! The photos are here: \[link\]. Tell us in one line what we should keep for next time? Good to know ## Good habits for a large guest list 1. 01 ### Guests who signed up Message people who registered or gave you their number for the event. Blasting a bought list from your WhatsApp gets the number banned, whatever the tool. 2. 02 ### SMS for the few, WhatsApp for the many Texts leave from your phone at about 30 every 30 minutes and count against your plan. For 200 guests, send by WhatsApp and keep SMS for those without it. 3. 03 ### Attachments and branding need a paid plan Free messages carry a short footer and are text only. Ticket PDFs, maps and photos as attachments, and footer-free messages, need Medium or Max. Key takeaway ### Guests stay informed, even when the plan changes Confirmations, day-before reminders and last-minute updates leave from your own number and address, on WhatsApp, SMS and email at once, and every reply lands in the same place. FAQ ## Questions event organizers ask Yes. Messages leave from your own WhatsApp number, your own email address and the SIM in your phone, so guests recognise you and can reply directly. Yes. The free plan is permanent, needs no credit card and has no per-message fee, but messages carry a short "Sent with UnlimitedMessaging.app" footer. Medium (€19/month) and Max (€29/month) remove it and add attachments such as ticket PDFs. Yes, through n8n: its Eventbrite trigger and Google Sheets node can start a workflow that sends the confirmation through the Unlimited Messaging node. There is no direct Eventbrite app. Send one message to the guest list from the app, the API or n8n, on WhatsApp and SMS together. With Claude or ChatGPT connected, you can also ask it to write and send the update after you approve it. Yes. Your number is linked as a connected device, like WhatsApp Web, so you keep answering guests from your phone as usual. WhatsApp allows up to four linked devices next to your phone; Unlimited Messaging uses one. Sources ## Sources & references To check the information in this article for yourself: 1. [01WhatsApp Terms of Service↗WhatsApp](https://www.whatsapp.com/legal/terms-of-service) 2. [02One WhatsApp account, now across multiple phones↗WhatsApp](https://blog.whatsapp.com/one-whatsapp-account-now-across-multiple-phones) 3. [03Eventbrite Trigger node↗n8n](https://docs.n8n.io/integrations/builtin/trigger-nodes/n8n-nodes-base.eventbritetrigger/) 4. [04Google Sheets node↗n8n](https://docs.n8n.io/integrations/builtin/app-nodes/n8n-nodes-base.googlesheets/) ![Ilian, senior software engineer](https://ilianazz.com/images/iliazz.png) Written by [Ilian](https://unlimitedmessaging.app/authors/ilian) · Senior Software Engineer A senior software engineer, he founds and runs several tech companies. He builds products around messaging APIs, automation and AI integration, and shares here what he learns while building. [View LinkedIn profile↗](https://www.linkedin.com/in/ilianAzz/)Updated November 9, 2026 ![](https://unlimitedmessaging.app/assets/logos/whatsapp.svg)![](https://unlimitedmessaging.app/assets/logos/email.svg)![](https://unlimitedmessaging.app/assets/logos/sms.svg) ## Send the next reminder without typing it 80 times Free, no credit card, from your own WhatsApp number. 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