The Lovable of Voice AgentsMultilingual Voice Agent
Speak your customers' language, automatically. A multilingual voice agent detects the caller's language and responds naturally without switching apps.
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Built for this workflow
Everything you need to design, test, and deploy your voice agent, visually.
30+ language support
Configure STT and TTS providers that support your target languages, Deepgram, ElevenLabs, Cartesia, and more.
Language detection routing
Route callers to the right language flow automatically using Categorize nodes.
Localized conversation flows
Design separate conversation flows per language or reuse the same structure with localized content.
Multilingual agent transfer
Route to a native-speaking human agent when needed via SIP Transfer.
Unified data collection
Push collected data to your CRM in a standardized format regardless of the caller's language.
International audience ready
Scale support across regions without hiring multilingual staff for every market.
The tightest feedback loop
Spin it up. Call it. Refine until it’s right.
Generate from a prompt
Describe the voice agent you want, like 'Build a pitch practice bot', and the AI creates the full conversation flow instantly.
Edit visually on the canvas
Drag, drop, and connect nodes to reshape the conversation flow exactly how you want it.
Edit it by prompting
Describe what you want to change in plain language and watch the agent update in real time.
Test it immediately
Talk to your agent right inside the builder - no deployment needed.
Improve a response you didn't like
When the agent says something off, click on that message in the conversation panel to correct it.
Deploy directly from the app
When your agent is ready, deploy it with a single click. No extra tools or setup required.
Share it with anyone
Generate a share link and send it to anyone. They can test your agent directly on voiceblox.ai, no app install needed.
Common use cases
Global SaaS customer support across regions
Multinational e-commerce returns and FAQs
International hotel and travel booking
Cross-border financial services calls
Healthcare services for immigrant communities
Start building for free
Open source and self-hostable. Read the documentation to get started in minutes.