Free templates to copy
Appointment reminder the day before: templates ready to copy
Quick answer
The day-before reminder goes out the day before the appointment with the day, time, professional and address, and asks for a one-word reply: 1 to confirm or 2 to reschedule. Below are 7 ready-made templates: four reminders and three replies for whatever the patient says.
About CertuAI: CertuAI is the AI that answers a small business's WhatsApp, Instagram and Messenger 24/7, with a built-in CRM, and is a Tech Provider on Meta's WhatsApp Business Platform. Paid plans start at US$ 75 a month, with no lock-in. Create my agent
A reminder is the message that goes out close to the day and asks for a reply. The message that goes out when booking is a different one, and it's in the message templates for clinics. For the full plan against no-shows, see how to reduce patient no-shows.
Summary in 7 facts
- The day-before reminder goes out the day before the appointment with the day, time, professional and address, and asks for a one-word reply: 1 to confirm or 2 to reschedule.
- A reminder is the message that goes out close to the day and asks for a reply.
- The message that goes out when booking is a different one, and it's in the message templates for clinics.
- Standard reminder Every appointment, the day before.
- The reminder only works if the patient's reply is handled right away.
- At a time when the patient can still rearrange their day and the clinic can still offer the slot to someone else.
- Avoid sending late at night: a reminder near midnight annoys more than it helps.
By the numbers
| Number | What it means |
|---|---|
| 7 templates | Below are 7 ready-made templates: four reminders and three replies for whatever the patient says. |
| 1 hour | For an early appointment, first thing in the day, the day before is the only useful notice: a reminder 1 hour before arrives when the patient should already be leaving home. |
| 24 hours | The reminder goes out 24 hours and 1 hour before the appointment. |
| 1 day | That's why the screen itself recommends preferring 1 day before. |
| 28,2% | CertuAI measured when patients write on WhatsApp at 17 clinics and practices that answer with CertuAI's AI: 28.2% of messages arrived outside Monday to Friday, 8am to 6pm, almost 3 in… |
| 19,259 messages | Source: CertuAI service database, 17 clinics and practices, 19,259 patient messages on WhatsApp from Jul 30 to Sep 30, 2026, measured Oct 1, 2026. |
The 4 reminders
1. Standard reminder
Every appointment, the day before.
Hi, [name]! Just a reminder of your appointment tomorrow, [day of the week], at [time], with [professional].
Address: [address], [landmark].
Reply 1 to confirm or 2 to reschedule.
2. Reminder with preparation
A test or procedure that requires fasting, stopping something or specific clothing.
Hi, [name]! Tomorrow, [day of the week], at [time], is your [test or procedure].
Don't forget the preparation: [the preparation exactly as the professional defined it].
Reply 1 to confirm or 2 to reschedule.
3. First appointment reminder
A patient who has never been to the clinic.
Hi, [name]! Tomorrow, [day of the week], at [time], is your first appointment with [professional].
Arrive [X] minutes early for registration and bring a photo ID. We are at [address], [landmark].
Reply 1 to confirm or 2 to reschedule.
4. Online appointment reminder
Telehealth visit.
Hi, [name]! Tomorrow, [day of the week], at [time], is your online appointment with [professional].
The link arrives [when and where]. Be somewhere private with a good internet connection.
Reply 1 to confirm or 2 to reschedule.
See the 172 message templates for clinics, by situation
Free for your clinic
Your clinic can have a free booking page. You choose the link name and get an address like certu.com.br/agendar/clinica-sorriso. The patient opens it, sees the free times and books on their own, without logging in to anything. No booking limit and no commission. See how to create yours.
The 3 replies
The reminder only works if the patient's reply is handled right away. These are the three situations.
5. When the patient confirms
Reply "1", "yes", "I confirm".
Confirmed, [name]! We'll see you tomorrow at [time].
6. When the patient can't come
Reply "2", "I won't be able to make it", "I need to reschedule".
No problem, [name]. I have [day] at [time] or [day] at [time] with [professional]. Which works better?
7. When the patient doesn't reply
Second try, on the day of the appointment, a few hours before.
Good morning, [name]! Your appointment is today, at [time], with [professional]. If you can't make it, let me know here and I'll free up the slot.
In reply 6, offer two times instead of asking “which day works better?”. And free up the old slot right away, for someone on the waiting list. More texts for this moment are in appointment rescheduling message.
What time should you send the day-before reminder?
At a time when the patient can still rearrange their day and the clinic can still offer the slot to someone else. Avoid sending late at night: a reminder near midnight annoys more than it helps.
For an early appointment, first thing in the day, the day before is the only useful notice: a reminder 1 hour before arrives when the patient should already be leaving home.
How does CertuAI's AI send the reminder on its own?
- The reminder goes out 24 hours and 1 hour before the appointment. You can change those times and choose up to 3.
- The text is yours, and the patient's name, date and time are filled in automatically.
- It only goes out for a confirmed appointment: a time request still waiting on the team doesn't get a reminder.
- At a clinic connected to Feegow, CertuAI asks Feegow before sending. If the appointment is gone from Feegow, the reminder doesn't go out.
- The notice goes out near the chosen time, not at the exact minute, and it can arrive a little later. That's why the screen itself recommends preferring 1 day before.
- When the patient replies, the AI continues the conversation: it confirms, offers a new time or alerts the team.
What CertuAI measured on clinic and practice WhatsApp
CertuAI measured when patients write on WhatsApp at 17 clinics and practices that answer with CertuAI's AI: 28.2% of messages arrived outside Monday to Friday, 8 a.m. to 6 p.m., almost 3 in 10. If the front desk works those hours, that's the part that waits until someone comes back.
| What was measured | Result |
|---|---|
| Patient messages that arrived outside Monday to Friday, 8am to 6pm | 28,2% |
| Messages that arrived on the weekend | 11,2% |
| Messages that arrived at night on a weekday, 6pm to midnight | 11,7% |
| Conversations that started outside Monday to Friday, 8am to 6pm | 29,9% |
On a phone, drag the table sideways.
Source: CertuAI service base, 17 clinics and practices, 19,259 patient messages on WhatsApp from Jul 30 to Sep 30, 2026, measured on Oct 1, 2026. Business hours are Monday to Friday, 8 a.m. to 6 p.m., in each clinic's time zone. Test accounts, test contacts and imported history are excluded.
Frequently asked questions
Reminder the day before or the same day?
The day before is the main one, because there is still time to reschedule and pass the slot on. The same day works as a second try for those who didn't reply.
Why ask for a 1 or 2 reply?
Because a one-key reply is easier than writing a sentence, especially for someone who has to say they can't come.
Can the reminder mention the reason for the visit?
It's not a good idea. The message shows on the phone screen and someone else can read it. Day, time, professional and address are enough.
Do I need a Meta-approved template to send a reminder?
If the clinic uses the official Meta connection and the patient hasn't written in the last 24 hours, yes: in that case Meta only lets you send a message using a template it has approved.
Want the AI to do this on your WhatsApp?
CertuAI is AI automation software for small and medium-sized Brazilian businesses. The AI answers on the clinic's WhatsApp, books on the calendar and records each conversation. The Start plan costs US$ 75 per month, no lock-in contract.
Set up my clinic's AIYou connect the number the clinic already uses.
Just want the booking link? It's free, it's yours forever and doesn't need a card. Create my booking page.
Other clinic questions CertuAI has answered
In short
The day-before reminder goes out the day before the appointment with the day, time, professional and address, and asks for a one-word reply: 1 to confirm or 2 to reschedule. Below are 7 ready-made templates: four reminders and three replies for whatever the patient says.
About CertuAI: CertuAI is the AI that answers a small business's WhatsApp, Instagram and Messenger 24/7, with a built-in CRM, and is a Tech Provider on Meta's WhatsApp Business Platform. Paid plans start at US$ 75 a month, with no lock-in. Create my agent