Cognitive Services

Enable natural and contextual interaction with tools that augment users' experiences using the power of machine-based intelligence. Tap into an ever-growing collection of powerful artificial intelligence algorithms for vision, speech, language, and knowledge.

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Put intelligence APIs to work

Microsoft Cognitive Services let you build apps with powerful algorithms using just a few lines of code. They work across devices and platforms such as iOS, Android, and Windows, keep improving, and are easy to set up.

See just one of the many insights we can infer from your data with this demo of the Emotion API.

See it in action

Anger	0.00000
Contempt	0.00000
Disgust	0.00000
Fear	0.00000
Happiness	1.00000
Neurtral	0.00000
Sadness	0.00000
Surprise	0.00000

Anger	0.00245
Contempt	0.00055
Disgust	0.00633
Fear	0.00012
Happiness	0.95892
Neurtral	0.02225
Sadness	0.00898
Surprise	0.00039

Anger	0.00001
Contempt	0.00000
Disgust	0.00000
Fear	0.00000
Happiness	0.99999
Neurtral	0.00000
Sadness	0.00000
Surprise	0.00000

Anger	0.00000
Contempt	0.00000
Disgust	0.00000
Fear	0.00000
Happiness	0.99999
Neurtral	0.00000
Sadness	0.00000
Surprise	0.00000

Browse

Detection result:
4 faces detected

 JSON:
 [
  {
    "FaceRectangle": {
      "Top": 114,
      "Left": 212,
      "Width": 65,
      "Height": 65
    },
    "Scores": {
      "Anger": 1.0570484E-08,
      "Contempt": 1.52679547E-09,
      "Disgust": 1.60232943E-07,
      "Fear": 6.00660363E-12,
      "Happiness": 0.9999998,
      "Neutral": 9.449728E-09,
      "Sadness": 1.23025981E-08,
      "Surprise": 9.91396E-10
    }
  },
  {
    "FaceRectangle": {
      "Top": 141,
      "Left": 331,
      "Width": 52,
      "Height": 52
    },
    "Scores": {
      "Anger": 0.002451766,
      "Contempt": 0.0005512201,
      "Disgust": 0.0063303886,
      "Fear": 0.000122375583,
      "Happiness": 0.9589189,
      "Neutral": 0.0222537462,
      "Sadness": 0.008983561,
      "Surprise": 0.000388026354
    }
  },
  {
    "FaceRectangle": {
      "Top": 110,
      "Left": 70,
      "Width": 51,
      "Height": 51
    },
    "Scores": {
      "Anger": 5.382089E-06,
      "Contempt": 3.84402554E-08,
      "Disgust": 8.22284051E-07,
      "Fear": 1.46369352E-08,
      "Happiness": 0.999993265,
      "Neutral": 9.765083E-08,
      "Sadness": 9.01927848E-08,
      "Surprise": 2.7211172E-07
    }
  },
  {
    "FaceRectangle": {
      "Top": 116,
      "Left": 459,
      "Width": 45,
      "Height": 45
    },
    "Scores": {
      "Anger": 3.95796542E-06,
      "Contempt": 2.44360656E-08,
      "Disgust": 3.291685E-07,
      "Fear": 1.935065E-09,
      "Happiness": 0.9999912,
      "Neutral": 2.461666E-06,
      "Sadness": 1.96641076E-06,
      "Surprise": 8.561949E-08
    }
  }
]

By uploading data for this demo you agree that Microsoft may store it and use it to improve Microsoft services, such as making this API better. To help protect your privacy, we take steps to de-identify your data and keep it secure. We won’t publish your data or let other people use it.

Want to build this?

Documentation

Check out the other Cognitive Services APIs

Vision

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

Computer Vision API

Emotion API ^PREVIEW

Video Indexer ^PREVIEW

Face API

Video API ^PREVIEW

Content Moderator

Custom Vision Service ^PREVIEW

Speech

Processing spoken language in your applications

Custom Speech Service ^PREVIEW

Bing Speech API

Speaker Recognition API ^PREVIEW

Language

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

Language Understanding Intelligent Service ^PREVIEW

Bing Spell Check API

Translator Speech API

Web Language Model API ^PREVIEW

Text Analytics API ^PREVIEW

Translator Text API

Linguistic Analysis API ^PREVIEW

Knowledge

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

Recommendations API ^PREVIEW

Academic Knowledge API ^PREVIEW

Knowledge Exploration Service ^PREVIEW

QnA Maker API ^PREVIEW

Entity Linking Intelligence Service API ^PREVIEW

Custom Decision Service ^PREVIEW

Search

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

Bing Autosuggest API

Bing Video Search API

Bing Image Search API

Bing Web Search API

Bing News Search API

Bing Custom Search

Labs

Take an early look at emerging Cognitive Services technologies. Early adopters who do not need market-ready technology can discover, try and provide feedback on new Cognitive Services technologies before they are generally available.

"I have not seen anything comparable. We can use the Computer Vision API to prove to our clients the reliability of the data, so they can be confident making important business decisions based on that information."

Leendert de Voogd, CEO, Vigiglobe

Learn more

"Thousands of partners sign in to our platform every hour. The response time from the Face API is incredible, enabling us to verify our drivers without slowing them down."

Dima Kovalev, Product Manager

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"Because the Cognitive Services APIs harness the power of machine learning, we were able to bring advanced intelligence into our product without the need to have a team of data scientists on hand."

Aaron Edell, Chief Product Owner

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Try Cognitive Services with a free Azure account

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