ThinnestAI is now an Official Meta Tech Provider

Germany

An AI receptionist for businesses in Germany, in German, English and Turkish.

thinnest answers your calls day and night in German or English, books appointments, takes messages and hands urgent cases to you. Bring the number you already have.

AI call answering

What does an AI phone agent do for a business in Germany?

It answers the calls you would otherwise miss: the plumber on a roof, the practice at lunchtime, the workshop at 18:30. It deals with them the way a good receptionist would, with a booking, a message or a hand-over to you, and it keeps a transcript of every call.

A German trade business is often a master craftsman, an office manager and a van. When the phone rings during a job, the call is lost, and the caller rings the next firm on the list. An agent that answers at once, asks the right questions and leaves you a clear message keeps that job.

  • Bookings go into your calendar through Cal.com, or into your own system through its API.
  • Questions about opening hours, services and directions are answered from your website and documents.
  • Every call has a transcript and an outcome. More on how it works on the AI receptionist page.
Heizung & Sanitär · Stuttgart · 18:40 Answered
CallerGuten Abend, bei uns tropft der Heizkörper im Flur. Kann jemand kommen?
AgentGuten Abend. Wie stark tropft es, und wo in Stuttgart wohnen Sie?
CallerEin Tropfen pro Sekunde, Stuttgart-West.
AgentDanke. Bitte stellen Sie einen Eimer darunter. Ich gebe Ihre Daten an den Meister weiter, er ruft Sie morgen vor 8 Uhr zurück.
Callback tomorrow before 08:00 · radiator leak · Stuttgart-West
Languages for Germany Voice and chat
German · voice and chat
English · voice and chat
Turkish · voice and chat
Polish · voice and chat
Russian · voice and chat

Voices

Can the agent speak German, and what about Turkish and English?

Yes. Voice agents speak German, English in American, British, Australian, Indian and other accents, Turkish and many other languages, and you choose each voice from a searchable library and listen before you pick. Replies on WhatsApp and website chat run in 37 languages, and German, English and Turkish are among them.

Voice agents also speak Italian, Portuguese, Spanish, French and more, so a caller who is more at ease in another language can be answered in it. Chat and WhatsApp replies also cover Polish, Russian, Italian, Spanish and French among the 37. Arabic is a voice language only; replies on chat and WhatsApp are not available in Arabic.

To be straight about the limits: we claim German, not a regional variety of it, so we make no promise about an Austrian or Swiss accent or about dialects such as Bavarian or Swabian. Whether the agent addresses people as "Sie" or "du" is set in the instructions you write; make it "Sie" unless your brand is deliberately informal, and have a native speaker who does not work for you ring the agent before you connect your number.

Data

Where is my data stored, and what about the GDPR?

Each workspace keeps its data in the region it is set up in. We support region deployments for enterprise customers.

Calls are processed partly in other countries, with speech recognition in the EU and the voice and the language model in the US, under transfer safeguards. That does not settle your own duties under the GDPR and the Federal Data Protection Act, and it does not say which data-protection authority is yours. The privacy policy sets out the detail.

Professions bound by secrecy need a second look. Section 203 of the Criminal Code (StGB) punishes doctors, dentists, lawyers, tax advisers and the other listed professions who disclose a secret entrusted to them. It allows them to share secrets with people who contribute to their work, as far as necessary, but punishes the professional who does not bind such a contributor to secrecy. We have not verified whether our terms contain such an obligation, so ask for it in writing before patient or client calls go near the agent. It may rule the product out for you. Read the official text, as read on 25 October 2026; not legal advice.

Workspace International
Enterprise: region deployments
Billing: US dollars, by card
Recording notice in the greeting
Phone numbers Connected
+49 711 ••• 01 42 · Telnyx
Inbound: front desk agent
Transfer: owner's mobile
Recording: off

Your number

Can I keep my existing German number?

Yes, if the number lives on a Twilio, Telnyx or Plivo account you hold: connect the account and the agent answers that number. We don't sell German numbers.

  • Number with another phone provider? Port it to one of those accounts, or forward your calls to a number you hold there. Forwarding after hours is the easiest first step.
  • Transfer to a person and voicemail detection work on Plivo and Telnyx numbers. An imported Twilio number answers and records, but can't transfer or detect voicemail.
  • Telnyx calls only the countries switched on in your outbound voice profile, the US and Canada by default, so add Germany before making outbound calls.

Examples

Which businesses in Germany is it built for?

Businesses whose phone rings while they are busy with a customer: trades, practices, workshops, hotels, property managers and fitness studios, in a country where the Mittelstand is mostly small teams.

01 — Stuttgart

Heating and plumbing firm

Leak and breakdown calls taken in the evening, the address and urgency noted, and a callback promised for the morning, while the master is on a job.

02 — Berlin

Dental practice in Prenzlauer Berg

Appointments booked and moved, opening-hours questions answered, and anything clinical left for the team. Read the note on section 203 above first.

03 — Hamburg

Holiday-flat host in Altona

Guests asking about key handover, parking and check-in get the same answers from the house guide, in German or English, at any hour.

04 — Cologne

Car workshop

Appointments for the inspection and the tyre change booked, the car and the plate number noted, and the waiting-time questions answered.

05 — Frankfurt

Property manager

Tenants reporting a broken lift or a heating failure, the building and the flat noted, urgent cases passed to the caretaker on duty.

06 — Leipzig

Physiotherapy practice

Appointments booked, cancellations offered to the next patient, and prescription questions handed to the front desk.

07 — Dresden

Solar installer

Enquiries about a roof and a battery taken in full, roof type and electricity use noted, and a site visit offered.

08 — Nuremberg

Driving school

Prospective pupils asking about courses and theory evenings answered, lessons booked, and the instructors spared the phone while they teach.

Outbound calls

What are the rules for AI sales calls in Germany?

You are responsible for following them, and they are strict. Under section 7 of the Unfair Competition Act (UWG), advertising by telephone to a consumer needs their prior express consent, and to a business at least their presumed consent. Automated calling machines need prior express consent in every case.

What the official texts say, as read on 25 October 2026 on gesetze-im-internet.de and the Bundesnetzagentur's website: section 7(2) no. 1 UWG treats an advertising call to a consumer without prior express consent, or to another market participant without at least presumed consent, as an unreasonable nuisance in every case. No. 2 requires prior express consent for advertising with an automatic calling machine, fax or electronic mail. Section 7a requires you to document a consumer's consent at the time it is given, in an appropriate form, and to keep the proof for five years from the consent and after each use, and to show it to the authority on request.

The Bundesnetzagentur says consent is needed even for existing customers, can be withdrawn at any time, and that pre-printed consents in general terms count only if it is clear which advertising and which company they cover. It can fine advertising calls to consumers made without consent up to 300,000 euros (section 20 UWG), failures to document consent up to 50,000 euros, and it says the same maximum applies to suppressed numbers: advertisers must show their number, which section 15(2) of the TDDDG requires. It fines only consumer advertising. Businesses can pursue calls to businesses under competition law.

We could not verify whether a voice agent counts as an "automatic calling machine", a term from the era of tape announcements, so plan on the stricter view: prior express consent, documented, for every outbound call, including to businesses. We found no statutory calling-hours rule in the texts we read, so ask your adviser, and set sensible hours. The product gives you tools: a do-not-contact list you keep, calling hours you set for each campaign on the called person's clock, an opening line you write and a transcript of every call. It does not collect or check consent, and it screens against no register. Answering your own inbound calls is different from cold calling, and most businesses start there. Read the official text; not legal advice.

Recording

Can I record calls with the AI agent in Germany?

Only with a basis you can defend. Section 201 of the Criminal Code punishes anyone who, without authorisation, records another person's non-public spoken word, with up to three years' imprisonment or a fine. Recording is off by default in the product, and it is a switch per agent.

The text was read on gesetze-im-internet.de on 25 October 2026. The usual way to stay inside it is to tell the caller at the start of the call that it is recorded and why, and to let them end the call or object. The agent's opening line is yours to write, so it can say so. Whether a recording is needed at all is worth asking: the transcript and outcome of every call are kept without it.

Separately, Article 50(1) of the EU AI Act asks that people interacting directly with an AI system are told so, unless that is obvious from the circumstances. It applies from 2 August 2026, according to a law-firm summary published on 10 September 2026; read the Regulation itself. A one-sentence opening line, such as "this is the automated assistant of" your business, covers both points for most callers. Not legal advice.

WhatsApp

Does it work on WhatsApp for customers in Germany?

Yes. The same agent answers on WhatsApp, website chat and the phone, with replies in 37 languages (German, English and Turkish among them) and a shared inbox where your team can take over.

We found no reliable national figure for how many customers in Germany prefer WhatsApp for business, so we will not quote one; ask your own customers. Marketing messages need care: the Bundesnetzagentur and the UWG require prior express consent for advertising by electronic mail, and the IHK guidance we read treats SMS and WhatsApp messages as covered, with a narrow exception in section 7(3) for e-mail to your own customers about similar products. We found no court ruling on WhatsApp specifically. Whether your messages count is a question for your adviser. See the WhatsApp Business API and the WhatsApp AI agent. Read the official text, as read on 25 October 2026; not legal advice.

WhatsApp Business API Connected
Replies in German and English
Templates for reminders
Team takeover from the inbox
Broadcasts to opted-in customers
Your agency platform White label
Domain: ki.ihreagentur.de
Sign-in page: your logo
Emails from your own address
Plans and prices: set by you
Clients pay through your checkout

Agencies

Can a German agency resell it under its own brand?

Yes. White label comes with every paid plan: your brand, your domain, your email sender, your sign-in page and your own prices.

Your clients pay you through your own card checkout, buy your plans and set up automatic top-up. You build their receptionists; they see only your brand. See white label for agencies.

Billing

Do you bill in euros?

No. International workspaces, Germany included, are billed in US dollars by card. Checkout runs through a merchant of record that handles sales tax and VAT, and your bank converts the charge. Prices are on the pricing page.

Answer every call, in the caller's language

Start free, build your receptionist and ring it from your browser. Connect your number when you are happy with it.