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Rozetta API

Precise & Convenient

Our API uses the top-level translation engine which is developed by Rozetta Co. Ltd.

Highest accuracy of translation in the industry.

Up to 95% of accuracy and on par with high quality work by professional translators. High accuracy and fluent translation of long articles.

Meet all your needs

Our API support Text, Speech and File, could be used in various situation.

Supports over 2000 professional fields.

In contrast to general-purpose automatic translation, we can make high accuracy of the translation by fine-tuning each professional field.

Over 5000 companies use “T-4OO”

Trusted by over 5000 (and growing!) companies in various professional fields and industries.

Translation Engine

Real-time Translation Engine

T-4OO Engine

T-3MT Engine

About T-4OO translation engine

About T-4OO translation engine
The translation engine expertizes in professional fields translation such as medical, legal, and finance, up to 95% accuracy and is comparable to the quality works by professional translators. Currently T-4OO is used by over 4500 companies.
The translation engine can be used in various ways to suit various needs:
For those who want to integrate our translation service, please try Rozetta API.
If you prefer to translate in web site, please try our Console.
If you need to translate a large number of files at once, we recommend using T-4OO Windows application.
All use the same translation engine and provide the same level of high accuracy translation.
※Partly uses the Niutrans translation engine.
About API
This REST API provides the following features:
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Rozetta Corp.