Voice Agent API
End-to-end voice agent infrastructure built on the Realtime Speech-to-Text API.
What it does
End-to-end voice agent infrastructure built on the Realtime Speech-to-Text API. Features low-latency speech-to-speech, entity accuracy, turn detection, key terms, and short-utterance handling.
- Voice Agents
- AI Notetakers
- Call Analytics
- Medical Transcription
- Dictation
- Agent Assist
- AI Scribes
- Category
- Speech and audio models
- Users
- Enterprise, Developers
- Public API
- Available
Not yet disclosed: deployment options, platforms, languages and support channels.
Pricing
- Free plan$0
Free trial on paid plans
Prices as published by AssemblyAI, checked Nov 2026.
Security and compliance
As reported by AssemblyAI. Ask for audit reports before you buy.
- HIPAACompliant
- PII Redaction
- Profanity Filtering
- Content Moderation
- HIPAA-Eligible (Medical Mode on Pre-recorded and Realtime STT with BAA)
Alternatives
Realtime infrastructure for multimodal agents
Chat
by Rasa
Manage layered, real-world conversations with memory, logic, and adaptability built in.
Agent Collaboration
by Nanonets
Captures the context, rules, and structure other agents can't, passing them what they need to act reliably.
Private Deployment
by InferEdge
Full agent harness deployment on preferred cloud with bring-your-own LLM, ensuring data governance, guardrails, and security.
Platform enabling creators to build AI coaches trained on their content, with chat, voice calling, product recommendations, and community insights.
Rasa Platform
by Rasa
One Platform for automating conversational experiences.
Is this your product?
Claim it to keep details accurate and submit evidence for the next ranking review.
Claim Voice Agent API