For AI Agent DevelopersBuild AI Voice Agents
Build AI Voice Agents
That Speak Naturally
Give your autonomous AI agents the power of speech. Native SDKs for LangChain, CrewAI, AutoGen, and OpenAI Agents.
LangChainCrewAIAutoGenOpenAI Agents
Everything You Need for Voice Agents
Production-ready SDK with all the tools to build voice-enabled AI agents.
Agent-Ready SDKs
Python and JavaScript SDKs with pre-built tools for all major AI agent frameworks.
28+ Natural Voices
Give each agent a unique voice. Male, female, and diverse character voices.
Simple Integration
5 lines of code to add voice to your agents. Comprehensive documentation.
Real-Time Speed
Sub-second latency for conversational AI. Perfect for interactive agents.
Multi-Voice Dialogues
Create agent conversations with multiple distinct voices.
Production Ready
99.9% uptime SLA, enterprise support, and dedicated infrastructure.
Add Voice in 5 Lines of Code
from langvoice_sdk.tools.langchain_tools import LangVoiceLangChainToolkit
# Initialize the toolkit
toolkit = LangVoiceLangChainToolkit(api_key="your-api-key")
# Get tools for your agent
tools = toolkit.get_tools()
# Add to your LangChain agent - that's it!
agent = create_openai_tools_agent(llm, tools, prompt)Build Your First Voice Agent Today
Free tier includes everything you need. No credit card required.