You said it.
Agents did it.
Ultra-low latency voice interaction APIs. Built for AI Agent applications. Real-time conversations, multimodal tasks, enterprise-grade deployment.
$5 free credit | No credit card required | 5-min integration
import sayd
client = sayd.Client(api_key="sk-xxx")
# Real-time voice conversation
session = client.converse(
agent_url="https://your-agent.com/api",
voice="alloy",
language="zh-CN"
)
session.start()Try It Now
Experience real-time voice transcription with AI-powered cleaning
Your transcription will appear here
Trusted by developers building the next generation of AI
Why Sayd
Ultra-Low Latency
< 200ms
Optimized for real-time voice conversations. Streaming output lets your Agent think and respond simultaneously — users barely notice the wait.
Developer-Friendly Pricing
From $0
Token-based pricing aligned with the LLM ecosystem. Free credits to validate your idea, elastic scaling when you grow.
Compliance Ready
Enterprise-grade
End-to-end encryption, regional data processing, audit logs. Meeting strict requirements for finance, healthcare, and government.
99.9% Uptime
99.95%
Multi-AZ deployment with automatic failover. Your Agent won't go silent because the voice layer dropped the ball.
Built for Every Agent
Real-time Transcription
Convert speech to text in real-time with ultra-low latency. Your AI Agent can understand what users say — enabling natural voice commands, dictation, and live captioning.
Loved by Developers
We integrated Sayd's STT in an afternoon. The latency is incredible — transcription feels instant, and our users love the voice input experience.
Sarah Chen
CTO, Series B SaaS
The token-based pricing model and clean WebSocket API made Sayd the obvious choice for our developer tools platform.
Marcus Rivera
Solo Founder, Dev Tools
Compliance documentation was ready out of the box. We deployed to production in under a week — fastest vendor integration we've done.
Yuki Tanaka
Engineering Lead, Agency