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Text-to-speech API for enterprise IVR and customer support

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For support systems that sound professional

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IVR systems

Generate natural-sounding IVR prompts dynamically. Speak caller-specific data like account balances and appointment details in real time.

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Agent-assist tools

Provide spoken guidance and information to support agents during live calls, with accurate readback of customer data.

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Outbound notifications

Deliver automated voice notifications with accurate data: appointment reminders, delivery updates, payment confirmations.

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Self-service portals

Enable voice-driven self-service where customers hear their account details, order status, and next steps spoken clearly.

Why Soniox is the optimal text-to-speech API for IVR and customer support

Enterprise IVR and support systems need voice that gets the details right. Robotic-sounding prompts and garbled account numbers erode customer trust.

A text-to-speech system for IVR and customer support should:

  • Speak account data, codes, and addresses accurately without scrambled digits or dropped characters.
  • Generate dynamic responses in real time, so prompts reflect live customer data instead of pre-recorded files.
  • Support 60+ languages for multilingual IVR flows and international customer bases.
  • Sound natural and clear, replacing robotic TTS with speech customers actually want to listen to.
  • Scale to enterprise call volumes with consistent quality and uptime.

Soniox TTS is built for these requirements, delivering fast, accurate, hallucination-free speech for IVR and support systems. One API handles every language, every data type, and every call.

With a competitive pricing, Soniox makes it practical to modernize your entire voice stack.

Accurate, real-time voice for every customer interaction

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Get alphanumerics right, every time

Account numbers, PINs, postal codes, and confirmation numbers are spoken exactly as written. No hallucinated or dropped characters.

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Serve every caller in their language

Support 60+ languages and handle language switching mid-sentence. Pronounce foreign names and addresses correctly without separate voice models.

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Replace robotic prompts with natural speech

Generate IVR prompts that sound clear and human. Update prompts dynamically from your backend without re-recording audio files.

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Generate dynamic spoken responses on the fly

Speak personalized account details, appointment confirmations, and status updates in real time. No pre-recorded audio needed.

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One API for your entire telephony voice stack

Replace fragmented TTS providers with a single streaming API that integrates into your existing IVR, CCaaS, or contact center platform.

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Why it works

Enterprise IVR and customer support need TTS that speaks data accurately, handles multiple languages, and sounds natural at scale. Soniox combines hallucination-free alphanumeric rendering, 60+ language support, low-latency streaming, and dynamic response generation in one API.

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Use Soniox in popular frameworks

Soniox integrates seamlessly with leading real-time communication platforms, AI frameworks, automation tools, and developer SDKs.

An open source framework and developer platform for building, testing, deploying, scaling, and observing agents in production.

Open source framework for voice and multimodal conversational AI.

Twilio is a cloud-based customer engagement platform (CPaaS) that provides APIs, allowing developers to integrate voice, messaging (SMS, WhatsApp), email, and authentication capabilities into applications.

Open-source development framework designed to build applications powered by large language models (LLMs).

The open-source AI toolkit designed to help developers build AI-powered applications and agents with React, Next.js, Vue, Svelte, Node.js, and more.

Open-source AI SDK with a unified interface across multiple providers. No vendor lock-in, no proprietary formats.

n8n is a powerful, low-code/pro-code workflow automation tool that connects various applications, APIs, and databases to automate tasks.

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

Frequently asked questions about Soniox TTS for IVR and customer support

Can Soniox TTS speak account numbers and codes accurately?arrow_downward
Yes. Soniox TTS renders alphanumeric content faithfully. Account numbers, PINs, verification codes, phone numbers, and addresses are spoken exactly as provided, without hallucinated or dropped characters.
Can I generate IVR prompts dynamically with Soniox TTS?arrow_downward
Yes. Soniox TTS generates speech from text in real time, so you can create personalized prompts that include live customer data without pre-recording audio files.
Does Soniox TTS support multilingual IVR systems?arrow_downward
Yes. Soniox supports 60+ languages with a single model. You can serve multilingual callers without switching models or managing separate voice configurations per language.
Is Soniox TTS fast enough for real-time call center use?arrow_downward
Yes. Soniox uses a streaming architecture that begins generating audio immediately. This is fast enough for live IVR flows, agent-assist scenarios, and real-time customer interactions.
Can Soniox TTS handle foreign names in customer data?arrow_downward
Yes. Soniox correctly pronounces foreign names, addresses, and entities even when embedded in a different language context. This is important for international customer bases.
Does Soniox TTS work with existing telephony platforms?arrow_downward
Soniox TTS provides a streaming API that can integrate with IVR systems, CCaaS platforms, and contact center infrastructure. The API delivers audio in standard formats suitable for telephony environments.
Is audio stored when using the Soniox TTS API?arrow_downward
No. Audio is generated in real time and not stored by default. Soniox is designed for privacy-critical applications where speech data should not be retained.
How do I get started with Soniox TTS for my IVR system?arrow_downward
Generate an API key on Soniox Console and start sending text to the TTS API. The streaming interface makes it straightforward to integrate with your existing telephony and support infrastructure.

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