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Nuntius

Nuntius

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Nuntius is a conversational AI agent for your business: it talks to your customers in your web widget, on WhatsApp and on Telegram, answering with the information from your own knowledge base, and it alerts your team when the conversation needs a human.

Go to the appGet started

Start here

Section titled “Start here”
IntroductionWhat Nuntius is and how to take your first steps.
First stepsSign-up, first channel, first agent and a real test.
Use casesEnd-to-end scenarios: lead capture, support, appointments, tickets…
API referenceAuthenticate and make your first request in minutes.

Explore the product

Section titled “Explore the product”

Developer tools

Section titled “Developer tools”
API referenceAuthentication, plans, errors, versioning and the generated reference.
MCP serverConnect Claude, Cursor or another AI assistant to your account.
llms.txtAn index of the whole portal in plain text, for AI agents.

Integrations

Section titled “Integrations”
Integration catalogHow connections, per-action allowlists and audience work — and which integrations are already available.
Section titled “Quick links”
Team and rolesInvite your team and define who can do what.
Billing and plansPlans, contract currency and how billing works.
API keys and access mediaAPI keys, employee access by channel and TOTP.
Security and complianceAI Act, GDPR and data responsibility.

Resources

Section titled “Resources”
ChangelogWhat changed in the public API, the MCP server and the rest of the integration surface.
LegalTerms, ownership and legal contact.

Frequently asked questions

Section titled “Frequently asked questions”
What is Nuntius?
A conversational AI agent for your business: it talks to your customers on your website's widget, on WhatsApp and on Telegram, answering with information from your own knowledge base, capturing leads, and notifying your team when a person is needed. See Getting started.
Do I need a credit card to try it?
No. You sign up yourself from the registration screen and go straight in with a full 15-day trial, no card required. See Account sign-up.
Which channels can my agent handle?
WhatsApp Business, Telegram, your website's widget, and Messenger/Instagram Direct. Phone voice is under development and can't be turned on yet. See Channels.
How does my customer know they're talking to an AI?
It's mandatory and can't be turned off: the widget header always shows the subtitle "AI assistant · replies instantly", every AI-generated message carries the "AI" label, and on WhatsApp and Telegram the notice arrives as a message at the start of the conversation — on every channel and every supported language (AI Act, Art. 50). See Security and compliance.
Can I take over a conversation myself?
Yes. Anyone with the Admin or Editor role can press "Take over" on an ongoing conversation; the AI stops answering until you resolve it or hand it back yourself. See Conversations.
What languages is the Platform available in?
Spanish, English and Italian — both the Platform's own interface and the chat widget, which starts in the language you picked when you signed up.
Where do I ask for help if something isn't working?
From Support, in the sidebar — the channel for asking your provider's team for help with a platform bug or a configuration question. See Support and on-screen assistant.

Up next

Section titled “Up next”
First stepsThe full step-by-step procedure, with screenshots.