New: Soniox Text-to-Speech is here

Soniox API

Bring real-time speech analytics to every call, meeting, and real-world conversation

Transcribe, track speakers, and extract insights as conversations unfold – across languages, channels, and noisy real-world audio. One streaming API built for accuracy, speed, and structure.

Helping startups and enterprises ship real world voice apps

For apps that surface what matters in every conversation

Deliver real-time insights during live calls

Track tone, objections, or sentiment while the call unfolds. Power real-time coaching, live agent assist, or voice-enabled support tools that help teams respond in the moment.

Spot patterns in messy, multilingual conversations

Analyze high volumes of customer calls, interviews, or research to uncover trends. Perfect for win-loss tools, CX analytics, and voice of customer dashboards.

Help teams detect violations and streamline reviews

Flag risky behavior or sensitive terms mid-call. Build compliance tools, QA review platforms, or alert systems with structured transcripts and speaker labels.

Monitor global media in any language

Track brand mentions, sentiment, or breaking news across podcasts, broadcasts, and livestreams. Ideal for media monitoring dashboards, sentiment trackers, or comms alerting systems.

Real-time speech analytics that powers better decisions

insights

Get insights while the conversation is still happening.

No waiting for uploads or batch processing. Soniox streams structured transcripts, speaker turns, and language-aware output in real-time. So analytics can run live, not after the fact.

language

Understand any call, in any language.

Soniox handles messy, fast-paced, multilingual conversations with overlapping speakers and noisy audio. No fine-tuning required. Just plug into any call and start analyzing.

description

Extract accurate, structured data automatically.

Get clean transcripts with speaker labels, timestamps, and formatting – ready for search, tagging, trend detection, and AI processing. Skip the manual cleanup and downstream hacks.

analytics

Scale voice analytics without stitching tools together.

Soniox streams transcription, translation, formatting, and speaker logic in one real-time API. You can analyze millions of conversations efficiently, without latency, storage bloat, or brittle pipelines.

Try it live. Start talking.

Put Soniox to the test. See how our speech analytics API stacks up against others »

Speech infrastructure for massive scale

Soniox Text-to-Speech API performance and reliability

Build on one API and deploy in your region

Use the same models and API everywhere, with in-region processing to meet latency, data residency, and regulatory requirements.

Available: US, EU, Japan
Coming soon: Korea, Australia, Canada, India, Saudi Arabia, UK, Brazil

View data residency docsarrow_forward
Soniox Text-to-Speech API performance and reliability

Run mission-critical systems with confidence

  • 99.9% uptime
    Production-hardened infrastructure with monitoring and redundancy.
  • Ultra-low-latency streaming
    Process speech in real time with low latency for responsive voice applications.
  • Priority support
    Severity-based incident response with direct access to the Soniox team.
Onvego uses Soniox Text-to-Speech API for multilingual voice experiences

"Before Soniox, our international users always had a noticeably different experience. Now accuracy and responsiveness match across all regions…it feels like one system instead of five."

Alon Yair CTO of Onvego

Privacy and compliance, built right in

Never stored, never saved.

Audio stays in memory, everything is processed in real-time.

Built for privacy-critical use cases.

Adhering to leading global security, privacy, and compliance standards.

Trusted where privacy matters most.

Used in industries where speech is sensitive, from healthcare to enterprise.

Soniox is Soc 2 Type 2 compliant
Soniox is ISO 27001:2022 compliant
Soniox is HIPAA compliant
Soniox is GDPR compliant
SOC 2 Type 2 · ISO/IEC 27001:2022 · HIPAA · GDPR

Ready to get started?

Create an account instantly, or contact us to design a custom package for your business.

Build with API arrow_right_alt

Documentation

Get up and running in minutes and spend your time building the product, not wrestling with the API.

Explore docs

See what you’ll pay

Pay only for what you use with our flexible pricing. Built to scale with you.

Pricing details