Power your applications, platforms, and live events with instant, conversational speech-to-speech translation. Smartcat's AI-driven API delivers seamless, multilingual audio experiences that help your teams communicate effectively across languages.
1,000+ companies use Smartcat for seamless voice integration
95%+
translation accuracy
Achieve high translation accuracy. Ensure clear, reliable communication in any language.
70%
cost reduction
Reduce interpretation costs by up to 70% compared to traditional services with our scalable API.
4x
faster implementation
Integrate multilingual voice capabilities faster than building from scratch. Go live in days, not months.
Instant Speech-to-Speech Translation
Our real time audio translation api processes incoming audio, translates it, and generates a new audio stream in the target language. This creates a complete speech-to-speech experience.
Natural, Conversational Flow
Enable natural, fluid conversations with near-instantaneous audio translation. This maintains conversation flow and engagement.
Broad Language Coverage
Reach global audiences effectively with support for 280+ languages, dialects, and locales. Connect with users anywhere in the world.
AI That Continuously Improves
Our AI models learn from corrections made by expert reviewers. This feedback loop continuously improves translation accuracy and context for your specific use case.
Simple and Scalable Integration
Integrate our REST API into your existing applications with ease. Our infrastructure is built to scale with your needs, from small meetings to large-scale broadcasts.
1
Get Your API Key
Sign up for a Smartcat account. You can instantly generate your unique API key from the developer dashboard.
2
Integrate the API
Connect the real time speech translation api to your platform with a few lines of code. Our documentation provides clear examples.
3
Configure Languages
Select your desired source and target languages. Choose from our extensive library of over 280 options.
4
Stream Audio
Send your live audio stream to the API endpoint. The system begins instant processing and translation.
5
Receive Translated Audio
Get the translated audio stream back in real time. Deliver a seamless multilingual experience to your users.
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L&D
Support
Media
For Developers: Build Multilingual Features Fast
Integrate translation directly into your applications with our developer-friendly API. Automate workflows and accelerate development.
“The ease of integration made our decision straightforward. We deployed multilingual voice in a single sprint.”
For Marketers: Launch Global Campaigns Instantly
Launch live events and webinars for global audiences on day one. Drive engagement by speaking your customers' language.
“We now host global webinars simultaneously. It helps us engage audiences in their native language and boost attendance.”
For L&D Teams: Deliver Scalable Global Training
Create and deliver multilingual training content that stays in sync with your needs. Ensure consistent learning experiences worldwide.
“Our remote training is more effective now. Real-time translation helps us connect with our global team.”
for API documentation
ease of integration
languages supported
average latency
50%
reduction in live event costs
Expondo cut global webinar costs in half. They replaced interpreters with Smartcat's API.
1,000+
hours of training localized
A Fortune 500 company scaled its L&D programs globally. This saved thousands of hours on manual content work.
90%
faster global meeting setup
Babbel streamlined international meetings. This reduced setup time and improved team collaboration.
Your audio streams and content remain protected. We offer SOC 2 Type II compliance and end-to-end encryption. Our comprehensive data protection protocols cover the entire translation process.
Experience the power of our real time speech translation api. Deliver seamless, multilingual audio experiences that connect with your global audience.
A real time voice translation api is a service that allows developers to add speech-to-speech translation to their applications. It takes an audio input in one language. It then provides a translated audio output in another language almost instantly.
Our AI models learn from user feedback. Any corrections made by expert reviewers in the Smartcat platform help retrain the AI. This continuously improves accuracy and context-awareness for your specific content.
Our API supports over 280 languages, dialects, and locales. This allows you to connect with a broad global audience. We are always expanding our language library based on customer needs.
While other services offer strong core functionality, Smartcat provides a unique advantage. Our real time voice translation api is integrated into a full content lifecycle platform. It combines AI translation with a human-in-the-loop feedback system. This delivers superior accuracy for your specific use cases over time.
Our pricing is flexible and usage-based. It is designed to scale with your needs. You pay for the volume of audio you process. This makes it a cost-effective solution for businesses of all sizes.
Our infrastructure is optimized for speed. We use a global network of servers to process audio data close to the source. This minimizes delays and ensures a smooth, conversational experience for all users.
Yes, you can choose from a variety of male and female voices across different languages. This allows you to select a voice that best fits your brand and application. Custom voice cloning is also available for enterprise plans.
Absolutely. We are SOC 2 Type II compliant and use end-to-end encryption to protect your data. Your audio content is secure throughout the entire translation process, from input to output.