Only 40–50% of registrants show up live, and 67% of no-shows say they simply forgot or got busy (2024). WhatsMark runs registration, calendar invites, a T-7d / T-1d / T-1h reminder sequence, and post-event follow-up on a channel where reminders open at ~98% — so more of the people who signed up actually turn up, at 0% markup.
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Follow-up message series
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You register 1,000 and half the room is empty
Only 40–50% of registrants show up live, and 67% of no-shows say they simply forgot or got busy (WebinarNinja, 2024). The T-1h email is never read in time — it's a channel problem, not an interest problem.
Manual reminder sends eat a marketer's afternoon
Every event needs T-7d, T-1d, and T-1h reminders. Across four events a month, that's a dozen manual sends — each needing template approval, list building, and precise timing.
Post-event recordings get lost
The recording goes out by email the next day and most attendees never open it — the no-shows definitely don't. On WhatsApp it lands where people actually read it, scoped to whether they attended.
The four pieces
A scheduled T-7d, T-1d, T-1h sequence runs on WhatsApp instead of email — each step carrying the speaker lineup, the agenda, or the join link, whichever fits that moment. Sending three reminders lifts live attendance about 27% over sending fewer (WebinarNinja, 2024).
A click-to-WhatsApp ad or a website button drops the prospect into a registration flow that captures name, email, and any custom field — they never leave WhatsApp. A flow step pushes the registration to your event platform via its API.
Same-day delivery of the recording link, slides PDF, and a feedback request. Feed the attendance status (joined / no-show) back from your platform and the follow-up branches — attendees get the recap, no-shows get a "we missed you, here's the replay" nudge.
Group past registrants and attendees, then broadcast the next event as a swipeable carousel with a one-tap register button — with delivered/read/click analytics, and eligible sends auto-routed through Meta's cheaper MM Lite path.
A click-to-WhatsApp ad or a website button drops the prospect into a quick registration flow. Name, email, and any custom field captured in three taps. A confirmation goes out instantly with a calendar invite, the agenda, and a "save the link" prompt, and a flow step pushes the registration to Eventbrite, Airmeet, or your custom platform via its API. For paid events, a flow step drops in a payment link from your own gateway.
online
Register me for the Growth Marketing Summit
10:14 AM
Great! Two quick things and you're in. 1️⃣ What's your name? 2️⃣ Best email for the calendar invite?
10:14 AM ✓✓
Aarav Kumar, [email protected]
10:15 AM
🎟️ Registered — Growth Marketing Summit 2026. 📅 Wed, 24 May · 6:00 PM IST 💻 Online via Zoom · Free entry 📌 Save the link — we resend it 1 hour before.
10:15 AM ✓✓
Calendar invite sent ✨ You're on the list — see you Wednesday!
10:15 AM ✓✓
Each reminder lands at the right moment with the right context. T-7d nudges with the speaker lineup; T-1d sends the agenda and a "block your calendar" note; T-1h sends the join link and a pre-event tip. It runs as a scheduled Sequence configured once per event — no manual sends — and since sending three reminders lifts live attendance about 27% (WebinarNinja, 2024), more of your sign-ups turn up.
online
📅 7 days to go — Growth Marketing Summit 2026. 🎤 Speakers: Anjali Rao, Sahil Mehta, Karan Goyal 📋 Full agenda: gms.io/agenda Mark your calendar — 6:00 PM IST, 90-min session.
Wed 10:00 AM ✓✓
📅 Tomorrow! Growth Marketing Summit · 6:00 PM IST. We'll send the join link in 23 hours. Got a question for the speakers? Reply here.
Tue 10:00 AM ✓✓
🚀 Growth Marketing Summit starts in 1 hour. 💻 Join: zoom.us/j/abc1234567 📋 Agenda: gms.io/agenda Grab a chai and join early — first 50 in win a free 1-on-1.
Wed 5:00 PM ✓✓
Feed the attendance status from your event platform — joined or no-show — back into WhatsMark by calling its API, and the follow-up splits accordingly. Attendees get the recording, slides, and a feedback request; no-shows get a "we missed you — here's the replay, plus a discount on the next session" nudge. Each is a template with the file and buttons attached, sent same-day while the event is still fresh.
online
🎬 Thanks for joining the Growth Marketing Summit, Aarav! ▶️ Recording: gms.io/replay/wed24may 📎 Slides PDF attached How was it? Your feedback shapes the next one.
Thu 10:00 AM ✓✓
⭐ Rate the session
Thu 10:12 AM
Thanks! On a scale of 1–5, how likely are you to recommend it to a colleague?
Thu 10:12 AM ✓✓
5 — the pricing teardown was gold 🙌
Thu 10:13 AM
Love it 🎉 We saved your spot for the June series — use code BACK20 for 20% off if it's a paid session.
Thu 10:13 AM ✓✓
What your customers see
Real WhatsApp threads — drop them straight into your account or use them as starting templates.
online
Sign me up for Wednesday's session
11:00 AM
🎟️ Registered — Growth Marketing Summit 2026. 📅 Wed, 24 May · 6:00 PM IST · 90 min 💻 Online via Zoom · Free entry 🎤 Speakers: Anjali Rao, Sahil Mehta, Karan Goyal
11:00 AM ✓✓
Add to Calendar
11:01 AM
📅 Calendar invite sent. We'll send the join link 1 hour before kick-off.
11:01 AM ✓✓
online
🚀 Growth Marketing Summit starts in 1 hour. 💻 Join: zoom.us/j/abc1234567 📋 Agenda: gms.io/agenda 💬 Slack: gms.io/slack (post questions live) Grab a chai and join early — first 50 in win a free 1-on-1.
5:00 PM ✓✓
Join Now
5:02 PM
Opening Zoom… see you in there 🎤
5:02 PM ✓✓
online
Hi Aarav — we missed you at yesterday's Growth Marketing Summit. The recording is up: gms.io/replay/wed24may 📎 Slides PDF attached.
Thu 10:00 AM ✓✓
Notify Me Next Time
Thu 10:18 AM
Done — you're on the list for the June series. Use code BACK20 for 20% off if it's a paid event. 🎁
Thu 10:19 AM ✓✓
Integrations
Connect natively where we have direct adapters. Use webhooks or our REST API for everything else. Honest status flags — we don't pretend an integration ships when it doesn't.
Zoom
Video — via API
Via API / WebhookEventbrite
Event platform — via API
Via API / WebhookGoogle Calendar
Invites & scheduling
AvailableGoogle Sheets
Log registrations
AvailableAny event platform
via REST API / webhook
Via API / WebhookBy the numbers
Registrants attend live
40–50%
the rest no-show, mostly because they forgot (2024)
More live attendance
+27%
from sending 3 reminders vs fewer (WebinarNinja, 2024)
WhatsApp open rate
~98%
vs ~20% email — the T-1h reminder actually lands
FAQ
Don't see your question? Email me at mailto:[email protected] — I read and answer every one personally.
It attacks the real cause: 67% of no-shows just forget or get busy (WebinarNinja, 2024). A scheduled T-7d / T-1d / T-1h Sequence keeps the event top of mind on a channel that opens at ~98% versus ~20% for email, and sending three reminders lifts live attendance about 27% over sending fewer. We won't quote you a specific "2–3×" figure — we'd rather cite the benchmark than an unmeasured claim.
Yes, through APIs — WhatsMark doesn't receive arbitrary inbound webhooks, so the pattern runs both ways over APIs: a flow step pushes the registration to your platform, and after the event your platform calls the WhatsMark API with each attendee's status so the post-event follow-up can branch. A developer wires it once, or a Zapier/Make bridge handles it.
Yes — a flow step drops a payment link into the chat, generated by your own payment gateway (called via API Request). Once your gateway confirms payment, it can call the WhatsMark API to send the confirmation, calendar invite, and reminder sequence. The link comes from your gateway; WhatsMark sends and follows up.
You can connect up to 2 WhatsApp numbers on Free, 10 on Professional, and unlimited on Reseller, and keep each brand's conversations in its own named team inbox. Straight about today's reality: these live in one workspace, not isolated white-label sub-accounts per client — that broader reseller capability is on the roadmap, not shipped.
Registering is the opt-in for that specific event. Promoting future events to your wider contact base needs a separate marketing opt-in, which you can capture at registration with a checkbox in the flow. WhatsMark tracks opt-in state per contact, and an opt-out reply blocks future marketing sends automatically.
Yes — a WhatsApp template supports a PDF attachment, links, and interactive buttons. A single post-event template delivers the recording link, the slides PDF, and a buttoned feedback question, and the replies land in your shared inbox against the attendee's record.
Largely, yes. A flow takes the registration (and a payment link from your gateway for paid events), sends the calendar invite, runs the T-7d / T-1d / T-1h reminder Sequence, drops the join link at the right moment, and afterwards delivers the recording, slides, and feedback — branching on the attendance status your platform feeds back. Because WhatsApp reminders open at ~98% versus ~20% for email, they land without anyone manually chasing registrants, so your team runs more events instead of doing reminder admin.
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