Webinar reminders that get people to show up: the schedule and templates (email + WhatsApp)

A webinar reminder is a message that tells a registrant when your webinar starts and how to join, sent at the moments when they are most likely to forget. The schedule that works is built backward from the start time: a confirmation right after sign-up, one the day before, one the morning of, one an hour before, one ten minutes before, and a “we’re live” message at start, with a replay message afterward. Send the context by email and the short, time-critical ones on the channel people check every few minutes, which for many audiences is WhatsApp.

Below you’ll find the full schedule, copy-ready templates for both channels, the show-up rates you should realistically expect, and the mistakes that quietly empty a webinar.

Why reminders decide your show-up rate#

A sales webinar is a multiplication: registrants × show-up rate × attendee conversion × price. Ads and landing pages get most of the attention, but the show-up rate (live attendees ÷ registrants) is the cheapest lever you have, because you’ve already paid for every registrant.

Here’s an illustrative example: 1,000 registrants at $4 each in ad spend, a $497 course, and 8% of live attendees buying (an assumption, not a prediction: conversion varies a lot with audience temperature).

Our calculation: $4,000 in ad spend (1,000 registrants × $4). Return on ad spend (ROAS) = revenue ÷ spend.

Same ad, same webinar, same offer. The only thing that changed is how many people showed up, and the webinar went from barely breaking even to clearly profitable.

What show-up rate to expect#

Sources accessed October 13, 2026. These are third-party ranges from different markets and audiences: use them to orient yourself, not to grade your webinar.

Two numbers from the registration data shape the whole schedule. First, most people register late: around half in the last week and roughly one in six on the day itself. Second, attendance is decided in the final hours. That’s why the event day carries four reminders and why a sequence that only fires “1 week before” and “1 day before” misses a large share of your list.

The webinar reminder schedule#

Everything is calculated backward from the start time. If someone registers late, skip whatever has already passed: a person who signs up 20 minutes before start shouldn’t get “See you tomorrow!” They should get the join link.

Based on Fluxi’s internal marketing playbook and Meta’s WhatsApp template rules.

Three rules that make the difference:

• Always write the time zone. “Thursday, Oct. 22 at 7:00 PM ET (4:00 PM PT).” With a national or international audience, nobody should have to do the math.
• For multi-day events at the same hour, send the “tomorrow” reminder 22 hours out, not 24. If class is at 7:00 PM, a 24-hour reminder for tomorrow’s class fires exactly when today’s class starts, on top of your “we’re live” message. At 22 hours it goes out at 9:00 PM, after class, and it still reaches people who registered during it.
• Don’t send the same thing twice on two channels. When a moment goes out by email and WhatsApp, the WhatsApp version is shorter with one link; the email carries the context.

Webinar reminder email templates#

Copy guidelines we’d follow across all of these (editorial advice, not measured results): subject lines under 50 characters (two to four words often perform best), the date, time, and time zone spelled out, the join link at least twice (button and plain text), one call to action per email, and a plain-text version. Value emails can run 150 to 200 words; the day-before email 80 to 100; event-day emails under 50.

1. Registration confirmation#

Subject: You're in: [Webinar name]

Hi [First name],

You're registered for [Webinar name] on [Day, Month Date] at [7:00 PM ET / 4:00 PM PT].

Add it to your calendar so you don't miss it: [Add to calendar]

Here's what you'll walk away with:
- [Outcome 1]
- [Outcome 2]

I'll send your join link before we start. Reply to this email if you have a question.

[Your name]

2. One week before (only if they registered early)#

Subject: [Webinar name] is next week

Hi [First name],

Quick reminder: [Webinar name] is next [Day] at [time + time zone].

Most people who try [goal] get stuck on [common mistake]. That's exactly what we'll fix live, step by step.

Your link: [Join link]

3. One day before#

Subject: Tomorrow at [time + time zone]

Hi [First name],

[Webinar name] is tomorrow, [Day] at [time + time zone].

Come live if you can: I'll answer questions in real time and [reason that only applies live].

Join here tomorrow: [Join link]

4. The morning of#

Subject: Today at [time + time zone]

Hi [First name], we're on today at [time + time zone].

[Join link]

See you there.

5. One hour before#

Subject: Starting in 1 hour

[Webinar name] starts in 1 hour.

Join here: [Join link]

6. We’re live#

Subject: We're live

We just started [Webinar name].

Join now: [Join link]

7. Replay for no-shows (within 24 hours)#

Subject: Sorry I missed you

Hi [First name],

I noticed you couldn't make it to [Webinar name]. Here's the replay: [Replay link]

It's up until [Day, date at time + time zone]. After that, it comes down.

Only send this if the replay really expires at that time.

WhatsApp webinar reminder templates#

Why add WhatsApp at all: email reminders compete with a crowded inbox, while a short message one hour before start, with the link, gets seen. Whether that message should be WhatsApp or a text depends on your audience. In the US, Pew Research Center found that 56% of Hispanic adults use WhatsApp, compared with 23% of White adults (survey from February to June 2025, published November 2025). For Latino, international, or Latin American audiences, WhatsApp is usually the better bet.

To send reminders at scale you need the WhatsApp Business Platform (the official API, separate from the WhatsApp Business app on your phone) and approved templates: messages Meta reviews in advance, which are the only ones you can send when the person hasn’t messaged you in the last 24 hours. The variables in double braces are the template fields.

1. Registration confirmation (utility)#

Hi {{first_name}}, your registration for {{webinar}} is confirmed.

It's on {{date}} at {{time_with_zone}}.

I'll send your reminders and the join link in this chat.

Add two quick-reply buttons, such as “I’ll be there” and “I have a question.” If the person taps one, their 24-hour window opens and your next messages don’t need a template.

2. One day before (utility)#

Hi {{first_name}}, a reminder about your registration: {{webinar}} is tomorrow at {{time_with_zone}}.

I'll send the join link 1 hour before.

3. Morning of (utility)#

Hi {{first_name}}, {{webinar}} is today at {{time_with_zone}}.

If you can't make it, just reply here.

4. One hour before (utility)#

Hi {{first_name}}, a reminder about your registration: {{webinar}} starts in 1 hour.

Join link:
{{join_link}}

If you can't get in, reply here.

5. Ten minutes before (utility)#

{{first_name}}, we start {{webinar}} in 10 minutes.

Join here: {{join_link}}

6. We’re live (utility)#

Hi {{first_name}}, {{webinar}} has started.

Join link:
{{join_link}}

If you can't get in, reply here.

7. Couldn’t make it (marketing)#

Hi {{first_name}}, I didn't see you at {{webinar}}. Did something come up?

I can send you the replay. It's available until {{replay_expires}}.

8. Offer closing (marketing, real deadline only)#

Hi {{first_name}}, enrollment for {{program}} closes in {{time_left}}.

After that we can't reopen it. Any questions I can answer before then?

Utility or marketing: why the reminders above are so plain#

Every WhatsApp template has a category, and the category changes what it costs and how far it reaches:

• Since July 1, 2025, Meta charges per delivered template message, with rates by category and the recipient’s country. Since October 1, 2026, it also charges service messages (your free-form replies inside the 24-hour window) after the first 1,000 per business number each month, and utility templates sent while the window is open are no longer free. The only free cases are the first 1,000 service messages of the month and everything sent inside a free entry point window, which opens when someone messages you from a Click-to-WhatsApp ad and can last up to 7 days (WhatsApp Business Platform pricing, accessed October 13, 2026). Many WhatsApp tool pricing pages still describe the older rules.
• Utility means something the person asked for or needs, with no promotional intent: the confirmation of the webinar they signed up for, the link to the session they registered for. If a template mixes that with selling or persuasion, Meta approves it as marketing, even if you submitted it as utility (Meta’s template categorization, accessed October 13, 2026).
• Marketing templates have a per-person limit that Meta adjusts based on how many marketing messages that person gets from all businesses. When someone hits it, your message isn’t delivered, and you should wait at least 24 hours before trying again.

The safest way to start a WhatsApp relationship with a registrant is to let them message you first. Put a WhatsApp button on your thank-you page with a prefilled message (“Hi, I just registered for Thursday’s webinar”). Their message opens the 24-hour window, and from then on you’re in a real conversation, not a broadcast (since October 1, 2026, your replies count toward the 1,000 free service messages per number each month).

Mistakes that quietly lower your show-up rate#

• Collecting only an email address. Without a phone number and consent, every reminder depends on the inbox.
• Writing the time without a time zone for an audience spread across regions.
• Dumping every missed reminder on late registrants at once. Send only what’s still ahead.
• Turning reminders into sales pitches. On WhatsApp they get classified as marketing, cost more, and count toward the per-person limit. In email, they bury the one thing the reader needs: the link.
• Messaging people who never reply. If someone has ignored two reminders in a row and hasn’t written in days, keep sending only what’s essential. Messages people ignore or block hurt your number’s quality.
• Sending a “last chance” that isn’t. Fake deadlines and countdowns that reset work once; next time, your list stops believing you.
• Relying on a group chat. Nobody asks their real question in a group, you can’t tell who’s interested, and if the group goes down, you lose everyone.
• Having nobody answering messages during the pitch. That’s when “can I pay in installments?” arrives, and every minute without an answer cools the sale.

How to tell if your reminders are working#

Track each webinar date separately:

1. Show-up rate: live attendees ÷ registrants. If you measure it by clicks on the join link, label it as an estimate.
2. Show-up rate by registration timing: people who registered on the day versus earlier. If same-day registrants attend far less, your event-day reminders need work.
3. Reply rate to the WhatsApp reminders, especially “1 hour before” and “we’re live.” A reply is a stronger signal of intent than an email open.
4. Cost per attendee: ad spend ÷ live attendees. It’s the cost you’re really paying.
5. Replay views and sales from the replay, kept apart from live sales.

One caution about email opens: Apple Mail Privacy Protection opens emails on the user’s behalf, so open rates overstate real reads. Clicks on the join link are a better signal.

Automating WhatsApp reminders with Fluxi#

Fluxi is an AI sales platform built in Latin America: its AI agent sells and supports customers on WhatsApp, Instagram, and Messenger. For webinars and launches it has a dedicated Live Event role that handles the stretch this guide covers, from registration to the sale, one-on-one on WhatsApp.

What it does today:

• The event runs on its own clock. You set up a webinar, a multi-session launch, or an in-person event with its sessions, time zone, and join link for each session.
• Registrants come in from several places: a GoHighLevel pipeline stage or webhook, the chat itself (if someone asks about the event, the AI invites them and registers them when they say yes), or a WhatsApp button on your thank-you page.
• Reminders that don’t feel like a blast. If the person messaged in the last 24 hours, the AI weaves the reminder into the ongoing conversation; if not, an approved template goes out. The time goes out in the event’s time zone with the zone named, not converted to each person’s local time. Late registrants don’t get reminders that already passed.
• It protects your number. If someone leaves two reminders in a row unanswered and hasn’t written in two days, their session reminders pause until they write again (offer messages still go out). People who opted out of promotional messages are respected.
• It sells when you open the offer, with each country’s payment methods, and reads payment receipts, leaving only the doubtful ones to your team.

What it doesn’t do: it doesn’t host or stream the webinar, build your registration page, host the replay, send your email sequence, or send SMS. On Instagram and Messenger it only talks to people who messaged first.

When it’s not the right fit: Fluxi is Spanish-first. The AI replies in your customer’s language and the dashboard is available in English, but its WhatsApp template pack and most of its experience come from Spanish-speaking Latin American businesses. If your audience is mostly US-based, English-only, and reached by text message, an SMS tool or your webinar platform’s built-in reminders will serve you better. Fluxi fits best when your registrants live on WhatsApp: Latin America or US Hispanic audiences.

If you sell with live classes or webinars, see the chatbot for digital launches and webinars. If your webinar ends in a booked call instead of a purchase, read about the AI appointment setter; if you sell with a video instead of a live class, start with what a VSL is; and for payment follow-ups after the sale, see payment reminder messages.

FAQ#

When should you send webinar reminders?

Right after registration, then 1 day before, the morning of the event (or the afternoon before, for a morning webinar), 1 hour before, 10 minutes before, and at start time. If the event is more than three days out, add one value-driven email per day. People who register late only get the reminders that are still ahead.

How many reminders should you send for a webinar?

For a webinar a week out, plan on roughly 8 to 10 touches across email and WhatsApp or text, with four of them on the event day. The number matters less than the timing: the reminders close to the start time are the ones that move attendance.

What is a good webinar show-up rate?

No published benchmark isolates cold ad traffic. Livestorm's 2026 report, based on about 7 million registrations on its B2B platform, puts live show-up at 47.7% for 2025. One real info-product launch that drew from an email list, organic content and Meta ads got about 18%. If you run cold ads, plan on 10% to 20% as a conservative scenario (our estimate, not a benchmark) and track your own rate by traffic source.

What should a webinar reminder email say?

The event name, date, time with its time zone, the join link (as a button and as a plain link), and one reason to show up live. One call to action per email. Keep the event-day emails under 50 words.

Should I send webinar reminders by text or WhatsApp?

Use whichever your audience actually opens. In the US, Pew Research found 56% of Hispanic adults use WhatsApp, versus 23% of White adults, so for Latino, international, or Latin American audiences WhatsApp usually wins; for a mostly US general audience, SMS may reach more people. Either way you need the person's consent.

Do webinar reminders on WhatsApp cost money?

Yes. On the WhatsApp Business Platform, Meta charges per delivered template message, with rates by category and country. Since October 1, 2026, utility templates sent while the person's 24-hour window is open are charged too, and regular replies inside that window (service messages) are charged after the first 1,000 per business number each month. The free cases are the first 1,000 service messages and anything sent inside a free entry point window, which opens when someone messages you from a Click-to-WhatsApp ad and can last up to 7 days. Marketing templates are always charged.

How much does Fluxi cost?

Fluxi doesn't publish prices. Message us on WhatsApp, tell us how you run your webinars, and we'll recommend a plan.