The Best TTS API for 2025

Integrate ultra-realistic, expressive, and low-latency text-to-speech into your applications with our powerful and scalable developer API.

GET START

API request successful. Status 200 OK. Generating audio stream with voice model 'Brian' at 24kHz sample rate. Latency is 80 milliseconds. This lifelike voice is perfect for real-time applications, providing a seamless and natural user experience. Our 2025 model offers unparalleled prosody and emotional depth.

Alice | Conversational AI Brian | API Narration

English

Build with the Best TTS API

From a single line of code to a full voice experience.

Our robust infrastructure handles the scaling.

You focus on building great products,

we take care of the voice generation.

One API call, infinite possibilities.

Simple & Powerful Integration

Get started in minutes with our REST API and comprehensive documentation. Our SDKs make integrating high-quality voice generation effortless.

POST /v1/generate text: 'Hello, world!'

Unmatched Voice Realism

Leverage the best text-to-speech engine of 2025, delivering voices with nuance, emotion, and lifelike intonation.

Effortless Voice Control

Dynamically adjust voice, pitch, speed, and emotion via API parameters. Clone voices for unique brand identities.

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

How to use our TTS API

STEP 1

Get Your API Key

Sign up for a free account to get your unique API key. Access our developer dashboard and comprehensive documentation to get started.

STEP 2

Make an API Call

Use a simple POST request to send your text to our endpoint. Specify the voice, language, and other parameters to customize your audio output.

STEP 3

Integrate Your Audio

Receive the generated audio file or stream in real-time. Integrate the output directly into your application, website, or service for a seamless user experience.

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

Powering Applications Across Industries

AI Agents & Chatbots

Bring your AI agent to life with our low-latency TTS API. Let your agent talk, emote, and interact in real-time with a voice that's indistinguishable from a human.

Content Platforms

Scalably convert articles, newsletters, and books into engaging audio content. Our API automates the creation of high-quality narrations for your entire library.

Gaming & Entertainment

Generate dynamic, in-game character dialogue and narration. Our API provides the expressive voices needed to build truly immersive worlds and experiences.

Accessibility Tools

Build next-generation accessibility solutions. Use our clear, natural-sounding voices to power screen readers and other assistive technologies for users.

IVR & Customer Service

Upgrade your customer service with a friendly, natural-sounding voice. Our TTS API integrates seamlessly into IVR and automated support systems.

E-Learning & Corporate Training

Create professional voiceovers for training modules and educational content at scale. Our API makes it easy to produce and update audio content instantly.

Frequently Asked Questions about our TTS API

Everything developers need to know about the Noiz AI text-to-speech API.