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Soniox Text-to-Speech API

API service

by Soniox

Soniox Text-to-Speech API generates audio from text through a REST endpoint.

Find alternatives to Soniox Text-to-Speech API

What it does

• Text to speech

Features 6

• Audio tags for emotion and deliveryDirects emotion, delivery and vocal reactions such as whispers and laughter with audio tags.
• Instant voice cloningCreates a high-fidelity voice clone from seconds of audio that preserves identity, accent and rhythm.
• Studio-quality voice libraryOffers 200+ studio-quality voices across a range of accents, ages and styles.
• Streaming playbackStarts playback while text is still streaming, without waiting for the full message.
• Character-level timestampsLets applications synchronize text and audio, stop cleanly on interruptions and resume from the right point.
• Multilingual language mixingHandles foreign names, technical terms and language changes within one continuous utterance.

Sources

Pricing

Pricing page · 14 Oct 2026

"All API costs are calculated based on tokens."

Description

Official documentation · 14 Oct 2026

"Generates audio from text using the TTS REST endpoint."

What it does

Official documentation · 14 Oct 2026

"streams audio back to you as text arrives"

Sold within

Official documentation · 14 Oct 2026

"Build on one API and deploy in your region"

Name

Official documentation · 14 Oct 2026

"Learn how to use the Soniox Text-to-Speech API in minutes"

URL

Official documentation · 14 Oct 2026

"Learn how to use the Soniox Text-to-Speech API in minutes"

Deployment

Official documentation · 14 Oct 2026

"Create a Soniox account and log in"

Interfaces

Official documentation · 18 Oct 2026

Page: 'Multilingual streaming TTS API with precise, natural pronunciation in 60+ languages'.

Intended for

Official documentation · 18 Oct 2026

Page: 'Trusted by teams building global voice products'.

Also from Soniox

• Soniox Speech-to-Text API API service

  Speech-to-text API (stt-rt-v5) for real-time and file transcription and speech translation, priced by tokens of audio.

• Soniox App Application

  Soniox App records, transcribes and translates audio.

• Smart Scribe Application

  Smart Scribe records audio and produces real-time transcriptions.

• Soniox Speech Translation API API service

  Real-time speech translation API that translates speech one way into a target language, or both ways in a conversation, while people are still speaking, across 60+ languages, for voice agents, live captions and multilingual meetings.

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