Translator Text API

Easily conduct real-time text translation with a simple REST API call

Microsoft Translator Text API is a cloud-based automatic translation (aka machine translation) service supporting multiple languages that reach more than 95% of world’s gross domestic product (GDP). Translator can be used to build applications, websites, tools or any solution requiring multi-language support.

Extend the reach of your applications

Across mobile, desktop and web applications, easily power translation to and from more than 50 supported languages for text through the open REST interface of Translator API.

Automatically detect languages

Detect the language of any text string easily and accurately, simplifying development processes and allowing you to quickly send it for translation or serve localised content.

Translate real-life conversations

Add text translation to your app, optimised for clear translation of real-life conversations.

Build customised translation systems

Customise your text translations with the Hub using previous translations to build a system reflecting your needs or starting with a dictionary of specific words.

Crowd-source translation improvement

Improve translations by creating a specific user group that provides suggestions and designated approvers who verify inclusion using the Collaborative Translation Framework (CTF).

What our customers are saying

U.S. Army Europe
“By using the Microsoft Translator API to automate SQL Server data translation into English, we are able to present senior leaders with universally usable data that supports better-informed decisions.”
Mark Hutcheson, IT Specialist, US Army – Europe

Have a look at the other Cognitive Services APIs


Allow your apps to process natural language, evaluate sentiment and topics, and learn how to recognise what users want.

Language Understanding Intelligent Service PREVIEW

Teach your apps to understand commands from your users

Text Analytics API PREVIEW

Easily evaluate sentiment and topics to understand what users want

Web Language Model API PREVIEW

Use the power of predictive language models trained on web-scale data

Bing Spell Check API

Detecting and correcting spelling mistakes in your app

Translator Text API

Easily conduct automatic text translation with a simple REST API call


State-of-the-art image processing algorithms help you to moderate content automatically and build more personalised apps by returning smart insights about faces, images and emotions.


Detect, analyse, organise and tag faces in photos


Personalise user experiences with emotion recognition

Computer Vision API PREVIEW

Distil actionable information from images

Content Moderator PREVIEW

Automated image, text and video moderation


Processing spoken language in your applications

Bing Speech API

Convert speech to text and back again to understand user intent

Speaker Recognition API PREVIEW

Use speech to identify and authenticate individual speakers

Translator Speech API

Easily conduct real-time speech translation with a simple REST API call

Custom Speech Service PREVIEW

Overcome speech recognition barriers like speaking style, background noise and vocabulary


Make your apps, web pages and other experiences smarter and more engaging with the Bing Search APIs.

Bing Search APIs

Web, image, video and news search APIs for your app

Bing Autosuggest API

Give your app intelligent autosuggest options for searches


Map complex information and data in order to solve tasks such as intelligent recommendations and semantic search.

Recommendations API PREVIEW

Predict and recommend items that your customers want

Academic Knowledge API PREVIEW

Tap into the wealth of academic content in the Microsoft Academic Graph

Bing Speech API is licensed separately and is governed by the following Terms of Use.

Try Cognitive Services with a free Azure account