Powerful Voice Synthesis API

Integrate real-time, expressive text-to-speech into any application. Our developer-friendly API delivers high-quality, low-latency audio at scale.

Get API Key

This audio was generated in real-time using a single API call. With Noiz AI, you can stream lifelike speech directly to your users, dynamically generating responses for virtual assistants, in-game characters, or accessibility tools. The low latency ensures a seamless, interactive experience.

Nova | AI Assistant Orion | Game NPC

English

Build a New Generation of Voice Experiences

From a single line of code to immersive audio.

Our robust infrastructure handles the complexity.

You focus on building great products,

we provide the voice.

One API endpoint, endless possibilities.

Real-Time Audio Streaming

Generate and stream audio with ultra-low latency, perfect for conversational AI, live assistants, and interactive applications.

API call for a dynamic, real-time voice response

Fine-Grained Emotional Control

Programmatically control vocal nuances, intensity, and emotion to create truly dynamic and engaging user experiences.

Effortless Integration

Get started in minutes with our clear documentation, SDKs, and developer-friendly REST API. Simple, powerful, and scalable.

editing interface with timeline bars for subtitle, video, dialogue, BGM, SFX. Image height is 300 and width is 600

How to use our Voice Synthesis API

STEP 1

Authenticate and Get Your API Key

Sign up for a free account to get your unique API key. Authenticate your requests by including the key in your HTTP headers to access all endpoints.

STEP 2

Make a Text-to-Speech Request

Send a POST request to our synthesis endpoint. Include your text, select a voice ID from our extensive library, and specify audio format settings like sample rate.

STEP 3

Receive and Integrate Your Audio

The API returns the synthesized audio file or stream. Integrate it directly into your application, whether for real-time playback or for generating audio files on demand.

Hear from the makers

From first-time storytellers to seasoned creators, these voices show how imagination turns into reality with Noiz.

Tried so many tools out there, and yours is hands down the best! The natural pauses and intonation make it sound like a real host.

AimsHigh

Podcast Producer

The pronunciation accuracy is insane, even for complex technical terms. My students say the videos are way easier to follow now.

JakeLee

YouTube Educator

Finally, a TTS that doesn't sound flat! The emotional range and breath sounds add so much life to the narration.

Guru

Audio Engineer

Built for Developers, Loved by Users

Conversational AI & Agents

Power your AI agents and chatbots with dynamic, low-latency voices. Our API enables natural, real-time conversations that enhance user engagement.

Content Creation Platforms

Integrate voice synthesis into your platform to allow users to create audiobooks, podcasts, and video narrations programmatically. Scale content production effortlessly.

Gaming & Entertainment

Generate dynamic in-game dialogue for NPCs, create localized audio for global releases, or power interactive stories with our expressive voice API.

Accessibility Tools

Build applications that read on-screen text aloud for visually impaired users. Our clear, natural-sounding voices make digital content accessible to everyone.

IVR & Customer Service

Upgrade your contact center with lifelike virtual agents. Our API provides reliable, high-quality voice for automated customer interactions and call routing.

Broadcasting & Media

Automate news reading, weather reports, and other broadcast content. Generate high-quality audio on the fly, ready for airtime in seconds.

Voice Synthesis API: Your Questions Answered

Everything developers need to know about integrating the Noiz AI voice synthesis API.