Building apps for global users means translation can't be an afterthought. With Smartcat's free translate api, you get instant access to high-quality, AI-powered translations for 280+ languages, right within your development pipeline.
Trusted by developers and localization teams at 1,000+ global companies
280+
Languages
Our AI continuously learns from your edits. This ensures your brand voice and technical terms are always accurate.
70%
cost reduction
Eliminate manual tasks and expensive agency fees. The Smartcat api translate free service significantly lowers your localization budget.
99.9%
Uptime
From a single string to millions of words, our infrastructure handles your needs. Get a free unlimited translate api for your projects.
Integrate with Your CI/CD Pipeline
Connect our free api to translate language with GitHub, GitLab, and other tools. Automate your localization workflow without disrupting development.
Expert-Enabled AI Quality
Go beyond standard AI. Our platform combines AI translation with human-in-the-loop workflows. Every review makes the AI smarter.
One Endpoint for All Languages
Our simple REST API provides access to all 280+ languages. This includes a powerful english to russian translation api and many more language pairs.
Unmatched File Format Support
The API handles dozens of formats, from JSON and YAML to XLIFF and RESX. We preserve your code structure and placeholders automatically.
Centralized Translation Assets
The API connects to your central Translation Memory and Glossary. This ensures consistency across your app, website, and documentation.
1
Get Your API Key
Create a free Smartcat account to instantly generate your unique API key. No credit card is required to start.
2
Make Your First API Call
Use our clear documentation and code examples. You can make your first call to the free translate api java client or use cURL in minutes.
3
Integrate and Automate
Embed the translate free api into your application's workflow. Power continuous, automated localization and deliver multilingual experiences.
UI / UX
Documentation
Website
Multimedia
For Your Development Team
Our API was built for developers. With clear docs and robust performance, you can integrate translation without the headache.
“We saved countless hours by automating our workflow with this API.”
For Your Product Team
Launch features globally from day one. The API enables simultaneous translation, cutting your time-to-market.
“We expanded into 8 new markets 60% faster.”
For Marketing & L&D Teams
Automatically translate campaign content, landing pages, and training materials as they're created. Launch global campaigns without delay.
“Our global training materials are now always up-to-date, regardless of language.”
Supported Languages
Average Response Time
Developers on Platform
Guaranteed Uptime
50%
increase in productivity
Expondo doubled their output. They also cut outsourcing costs in half with Smartcat's integrated platform.
1,000+
administrative hours saved annually
The City of Seattle automated translation management. This saved 1,000+ admin hours and reduced expenses by 17%.
31 hours
Of work time saved monthly
Babbel’s marketing and L&D teams save 31 hours of work time every month. A free api translater can make a huge difference.
Your source code and content are always protected. We are SOC 2 Type II compliant and use end-to-end encryption. Our data protection protocols cover the entire translation process.
Experience the power of the best free translate api. Preserve context and code integrity while saving time and resources on every project.
A free translate API, like the one from Smartcat, allows developers to programmatically add AI translation into their applications. It's a free api to translate language without manual effort.
Our API is powered by expert-enabled AI. It learns from your feedback to improve context and quality. It's not just a generic translate api free service; it gets smarter over time.
The API supports formats like JSON, XML, PO, RESX, and more. You can even use it as an english to russian translation api for specific string files.
The API connects to your Smartcat Translation Memory and Glossary. This ensures every translation is consistent with your brand and technical terms.
Yes, our free tier is generous and suitable for many projects. For very high volumes, we offer scalable enterprise plans. It's the best free translate api to start with.
Quality is a mix of our advanced AI and optional human review. Every edit made in the platform trains your AI, continuously improving results for future projects.
Absolutely. Our language translate api free service is designed for parallel workflows. You can request translations for all 280+ languages simultaneously.
Yes. Smartcat employs enterprise-grade security with SOC 2 Type II compliance and end-to-end encryption. Your source code integrity is maintained throughout the translation process.
Our API is perfect for CI/CD. Integrate it with your repository to automatically detect and translate new strings, keeping your software localized in real-time. It's like having an automated free api translater in your pipeline.