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Voice Agent API

Model APIs and gateways · by Speechmatics

API for building AI voice agents with sub-second, speaker-aware speech-to-text and text-to-speech across 56+ languages.

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What it does

API for building AI voice agents with sub-second, speaker-aware speech-to-text and text-to-speech across 56+ languages.

  • Medical transcription
  • AI voice agents
  • Live captioning
  • Contact center analytics
  • Legal transcription
  • Meeting note-taking
  • Media monitoring
Category
Model APIs and gateways
Built for
Healthcare and life sciences, Media and entertainment
Users
Developers building voice agents and real-time apps, Regulated enterprises needing deployment control, compliance depth, and scale, Healthcare organizations, Contact centers and 3 more
Public API
Available

Not yet disclosed: deployment options, platforms, languages and support channels.

Pricing

  • Free plan$0
  • Usage-based$0.129/hour

Free trial on paid plans

Prices as published by Speechmatics, checked Oct 2026.

Security and compliance

As reported by Speechmatics. Ask for audit reports before you buy.

  • ISO/IEC 27001Certified
  • SOC 2 Type IICertified
  • HIPAACompliant
  • GDPRCompliant
  • Data encrypted in transit and at rest
  • No data logging as standard
  • Deployment options: on device, on-prem, and cloud

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