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For anyone who can’t always pick up

Your hands are full. AI voice agents take the call.

Belvoy answers while you’re under a car or long gone home. The agent makes calls too: customers called back, appointments confirmed, your GP rung on your behalf. And on your website it talks to visitors. In Dutch, on your own API keys, hosted in the EU.

Ask for a pilot spot See the three steps

Belvoy is in a private pilot. We read every request ourselves and email you back.

Restaurant

Inbound call · +31

Live

  1. Agent: Good evening, you’re speaking with the restaurant’s digital assistant. I’m an AI. How can I help?

  2. Guest: Do you have a table for four on Saturday at half past seven?

  3. Agent: Saturday at half past seven works for four. What name should I book it under?

  4. Guest: De Graaf. One of us is vegetarian.

  5. Agent: Noted: four people, one vegetarian. See you on Saturday!

After the call

  • Booking recorded
  • Dietary note saved
  • Summary

Sample call

Tuesday, 18:05

The phone rings. You’re still with a customer.

Belvoy picks up. The same agent also makes calls and talks to visitors on your website, with the same knowledge and the same rules. You set it up once.

  • It picks up

    Even when you’re busy with a customer or the doors are already shut. The agent answers questions from your information, writes down what’s needed and puts the caller through to you or a colleague when a human would do better.

  • It makes the calls

    Confirming appointments, calling customers back, working through a list. Each call gets its own brief. It only calls inside your calling hours, tries again later when nobody answers and knows a voicemail when it hears one.

  • It’s on your website

    A talk button on your site, added with two lines of code. Visitors ask their question out loud, to the same agent that answers your phone.

Nine calls you’ll recognise

Every business has a phone that rings at the wrong moment

A few conversations you can leave to an AI voice agent. Look at the call, not the industry: they have more in common than you’d think.

  • Restaurants and hospitality

    Saturday, half seven. Every table full, and the phone won’t stop.

    The agent takes bookings, notes who’s vegetarian and tells callers when the kitchen closes and what’s on the menu. Connected to your booking system, it books straight away.

  • Online shops and customer service

    ‘My parcel arrived broken’

    The agent looks up the order, registers the return and logs the complaint, in your own systems. When it gets complicated, it puts the caller through to a colleague.

  • Practices, insurers and legal

    An intake that doesn’t settle for ‘sometime last month’

    The agent works through your questionnaire, follows up on vague answers and hands everything over as clean data, ready for your own system.

  • Salons, garages and practices

    ‘Have you got anything on Thursday?’

    The agent finds a free slot in your calendar or scheduling system and books it. Moving or cancelling happens in the same call.

  • Any business

    22:14. The shop is closed. The phone isn’t.

    The agent picks up, answers the questions you hear every day and takes a message with a call-back request. It’s all waiting for you in the morning.

  • Service businesses

    The day before: ‘Still on for tomorrow?’

    The agent calls your customers a day ahead, asks whether the appointment is still on, moves it if needed and puts the outcome in your system.

  • Sales

    Call back while the lead is still warm

    The agent calls new enquiries back, asks your qualifying questions and passes the good leads to your sales team. Inside your calling hours, with an opt-out list.

  • Tradespeople

    Hands in the fuse box, phone in your pocket

    Picking up isn’t happening. The agent does it for you: it asks what the problem is and where, and has the job ready for you. You call back once you’re off the ladder.

  • For yourself

    Call the GP without sitting on hold yourself

    Your GP, the garage, your insurer: the assistant calls on your behalf, works through the phone menu, waits in the queue and puts the appointment in your Google Calendar. It only shares what you’re happy to share.

Bring your own key

You pay for the AI yourself. That’s the point.

Many AI receptionists sell you a bundle of call minutes, with an AI behind it you get no say in. Belvoy runs on your own accounts with the providers.

  • No bundle of minutes

    You pay the AI and telephony providers directly, at their own rates. Belvoy estimates what each call cost, and you give every key a monthly budget with a hard limit.

  • Switch without packing boxes

    Choose per agent who does the work: ElevenLabs Agents, OpenAI Realtime, Gemini Live, or your own chain of speech recognition, language model and voice. When something better comes along, swap that one part and keep the rest.

  • Knows when to say u and when to say je

    Dutch voices and speech recognition, formal or informal address as you prefer, +31 numbers, and Dutch public holidays already in your calling hours.

  • Listen in, jump in

    Listen in live, whisper guidance the caller can’t hear, or take the call over. Afterwards you can read the transcript and a summary.

Nothing to install

From API key to first caller

Three steps in your browser, and none of them needs an IT department.

  1. Paste in your keys

    Add API keys for providers such as ElevenLabs, OpenAI, Anthropic, Google or Deepgram, plus your Telnyx or Twilio telephony account. Belvoy checks them straight away and stores them encrypted.

  2. Tell it who it is

    Describe in plain language who the agent is, how it speaks and what it must never do. Pick a voice, give it your information and tools, and talk to it right away in your browser.

  3. Let it pick up

    Connect a phone number or add the talk button to your site. Follow calls live and get a summary after every call with the details you wanted.

From the app

The tools behind the conversation

Six parts that show how Belvoy works. The rest is on the features page, with the screens to match.

See all features

For people who’d rather write code

Clicking is fine. So is an API call.

Build voice agents into your own product, or have them talk to your systems mid-call.

Request API access Go to the developer page
  • REST API with an OpenAPI 3.1 spec
  • Start calls with a brief per call
  • Signed webhooks after every call
  • Tools: your own APIs, MCP servers and a connector behind your firewall
  • TypeScript and Python SDKs, and a web widget

Where your calls live

In Frankfurt. For as long as you say.

Belvoy runs on AWS in Frankfurt. You choose which AI providers process a call, and for each one you can see whether it offers EU data processing.

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  • Hosted in Frankfurt

    The application, the database and the recordings live at AWS in the eu-central-1 region.

  • Keys under lock and key

    Your API keys are stored encrypted with AWS KMS. Recordings are encrypted in storage.

  • Record or not, and for how long

    Per agent you decide whether calls are recorded and how long they’re kept. After that they’re deleted automatically. Personal data in transcripts can be masked.

  • ‘I’m an AI’, right at the start

    The agent says it’s an AI at the start of every call, as the EU AI Act requires. Anyone who doesn’t want to be called again goes on the opt-out list.

The small print

Robot voices, costs and your old number

If your question isn’t here, send it to hello@belvoy.nl.

Does the agent sound like a robot?

That mostly depends on the voice and models you choose, and the choice is yours. Pick from voices by ElevenLabs, Cartesia and Azure, among others, or use a cloned voice. The agent can be interrupted and can say ‘one moment, let me check’ while it looks something up. Listen to it in your browser before it goes live. One thing is fixed: at the start it says it’s an AI.

How is this different from a voicebot or phone menu?

In a phone menu the caller presses a number, and a classic voicebot follows a fixed script. A Belvoy agent holds a normal conversation: it understands open questions, asks follow-ups and uses your own information and systems. You decide what it may and may not do.

What does it cost?

You pay for calls directly to the AI and telephony providers you choose, at their rates and on your own account. Belvoy estimates what each call cost, and you give every key a monthly budget with a hard limit. Belvoy itself has no fixed prices yet; you’ll hear more when you request access.

What does ‘your own API keys’ mean?

You have your own account with the providers you want to use, such as ElevenLabs, OpenAI or Telnyx, and add that API key to Belvoy. You see what each call costs, you’re not tied to one AI vendor and the agreements with those providers stay yours. Belvoy checks a key when you add it and stores it encrypted. You can delete it, or revoke it at the provider, at any time.

Who owns the calls, and where are they stored?

Calls, transcripts and recordings are stored in your workspace, at AWS in Frankfurt. Per agent you decide whether calls are recorded and how long everything is kept; after that it’s deleted automatically. Personal data in transcripts can be masked. A call also passes through the AI providers you choose; Belvoy shows for each one whether it offers EU processing.

Can I keep my current phone number?

Yes. Belvoy works with a number at Telnyx or Twilio, and you forward your current number to it: always, only when you don’t pick up, or outside opening hours. You set up the forwarding with your own phone provider. When the agent calls out, it can show your own number as caller ID once you’ve verified it with Telnyx or Twilio.

What if the agent can’t answer a question?

Then it puts the caller through to you or a colleague, or takes a call-back request, whichever you set up. You can also listen in live and take the call over. The personal assistant comes to you for help when it gets stuck.

Do I need to be able to code?

No. You set everything up in the app and test the agent in your browser. You do need an account with a telephony provider and at least one AI provider. If you’re a developer, there’s a REST API with webhooks and SDKs for TypeScript and Python.

How do I get access?

Belvoy is in a private pilot and access is by invitation. Use the form at the bottom of this page or email hello@belvoy.nl with who you are and what you want the agent to do.

Bellen + envoy

An envoy that speaks Dutch

The name joins the Dutch ‘bellen’ (to call) and ‘envoy’. Which is what the agent is: someone on the line on your behalf, except it’s an AI and says so.

Belvoy is designed and built in the Netherlands. We’re starting close to home, with the Dutch language, Dutch numbers and hosting in the EU. The rest of Europe comes next.

During the pilot we read every request ourselves, which is why access is by invitation. Questions, ideas and criticism are welcome. Criticism perhaps most of all.

belvoy

Answers your calls and makes them for you

Go on, hand over the phone

Tell us in a few sentences who you are and what you want the agent to do. We’ll let you know whether the pilot is a fit.

Prefer email? hello@belvoy.nl

I am

What do you want the agent to do? A few sentences is plenty.