Online appointment booking for doctors' offices in Cologne, on your domain, not in a portal
Doctolib and Dr. Flex collect Cologne's demand on their platforms. TerminJet brings that same demand to your own practice website. And when an appointment is cancelled, the engine refills the slot automatically from your waitlist.

The demand is there. The question is who gets it.
In Cologne, patients rarely look up their doctor in the directory anymore. They type the practice into Doctolib or Dr. Flex and book there. That is convenient, but afterwards the patient belongs to the platform, not to you. TerminJet turns it around: appointment booking runs on your own Cologne website, under your name, with your data.

Doctor's office booking in Cologne: your own website instead of a portal
Portals like Doctolib and Dr. Flex handle online booking reliably. The difference is who ends up owning the presence, the data, and the freed-up slot.
| TerminJet · Your instance | Doctolib / Dr. Flex (portal) | |
|---|---|---|
| Booking runs under | Your domain & brand | the portal brand |
| Who owns the patient data? | You | the platform |
| Hosting location | Germany (Hetzner) | depends on the provider |
| Competing practices in the same search result | ||
| Refill cancelled slots automatically | ||
| Reactivate the waitlist by WhatsApp/SMS | limited | |
| Set up for your practice by | An agency in Germany | Self-configuration |
A morning cancellation does not have to mean an empty room in the afternoon
Online booking is something every portal can do today, that is the baseline. Money only moves when a cancelled or missed appointment does not stay as a hole in the calendar. TerminJet spots the gap instantly and asks the next suitable person on your waitlist, with documented consent, by WhatsApp or SMS.

Tailored to daily practice life in Cologne
Real appointment types
Acute consultation, check-up, follow-up, vaccination, video consultation: each set up as its own appointment type with the right duration. No rebuilding later.
Public and private kept separate
Insurance type and reason for the visit decide which slot is bookable with which doctor, so the schedule fits the practice.
Reminders that lower no-shows
Automatic reminder by WhatsApp or SMS before the appointment. Fewer no-shows means fewer slots that need refilling in the first place.
Embeddable intake form
The form sits as an iframe on your Cologne website and feeds the engine directly. Patients never leave your page to book.
Set up with GDPR in mind
EU hosting at Hetzner, AES-256 encryption of health data, messages only with consent, data processing agreement included.
Your own instance
No shared SaaS, no portal. The practice runs on its own TerminJet instance under its own domain, set up by an agency in Germany.
A short-notice cancellation at a Cologne family practice
A patient cancels a 10:30 appointment by message. What happens next is the whole difference.
- The cancellation lands in the inbox but is only noticed when someone has time
- The 10:30 slot stays empty, the room sits idle
- Anyone who urgently needs an appointment hears on the phone that nothing is free for three weeks
- Lost time that no one gets back at the end of the day
- The gap is detected at once and matched to the right appointment type
- The next person on the waitlist automatically gets a WhatsApp offer
- If they say yes, 10:30 is booked again, often that same morning
- A full calendar, shorter waiting times, without anyone picking up the phone
Common questions from Cologne practices
We are already on Doctolib. So why TerminJet?
Doctolib handles the booking, but it pulls patients onto its platform and does not actively refill cancellations. TerminJet runs on your own domain, the data stays with you, and freed-up slots are refilled automatically from the waitlist. Many practices keep both in parallel and move the booking onto their own page step by step.
Can patients tell that a provider is behind it?
No. The booking runs white-label under your name and your domain. Patients see your practice, no outside logo and no referral portal.
Do we pay a commission per booking?
No. TerminJet is your own instance with a fixed plan fee instead of a referral commission. A cancellation refilled at short notice brings in revenue that was lost before, without a platform taking a cut.
How is data protection for health data handled?
EU hosting at Hetzner in Germany, AES-256 encryption of patient data, messages only with documented consent. The agency setting it up provides the data processing agreement.
How long does setup take?
The doctor's office template is preconfigured, so it goes quickly. The agency adapts appointment types, copy, and the embedding on your website to your practice.
Do we need technical knowledge on the team?
No. The agency handles setup and customization. Your team works with the finished calendar and the waitlist, and the rest runs in the background.
This is how booking looks on your Cologne practice website
Sign up and we will show you the doctor's office template with your real appointment types. In the free audit we work out how many cancelled slots you could realistically win back.


