Text Analytics API

Turn unstructured text into meaningful insights

Understand what your customers think

Use a few lines of code to easily analyse sentiment, extract key phrases, detect topics and detect language for any kind of text.

Sentiment analysis

Find out what users think of your brand – or any topic – by analysing any English-language text to score the overall sentiment of it. You are now easily able to monitor the perception of your brand or topic over time.

Key phrase extraction

Automatically extract key phrases from English-language text to quickly identify the main points.

Topic detection

Find and retrieve topics from English-language articles to identify the key issues or suggestions that customers are regularly mentioning.

Language detection

Determine what language a piece of text is written in – from 120 supported languages.

What our customers are saying

“Thanks to the Cortana Intelligence capabilities of Text Analytics, we’re able to incorporate guest sentiment into our actionable guest feedback platform to deliver a comprehensive view of guest satisfaction and server performance. Visualising the voice of the guest using Power BI and keyword analysis provides game-changing insight into restaurant and corporate management.”
Al Pappa, Head of Business Intelligence, Ziosk

Have a look at the other Cognitive Services APIs

Face API

Detect, analyse, organise and tag faces in photos

Content Moderator

Automated image, text and video moderation


Personalise user experiences with emotion recognition

Computer Vision API

Distil actionable information from images

Language Understanding Intelligent Service PREVIEW

Teach your apps to understand commands from your users

Bing Spell Check API

Detecting and correcting spelling mistakes in your app

Web Language Model API PREVIEW

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

Text Analytics API PREVIEW

Easily evaluate sentiment and topics to understand what users want

Translator Text API PREVIEW

Easily conduct automatic text translation with a simple REST API call


Convert speech to text and back again to understand user intent

Custom Speech Service PREVIEW

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

Bing Spell Check API

Detecting and correcting spelling mistakes in your app

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

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

Ready to supercharge your app?