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Custom Decision Service

A cloud-based, contextual decision-making API that sharpens with experience.

Custom Decision service uses reinforcement learning in a new approach for personalising content


Understanding context from information you provide, Custom Decision Service ranks the options and makes a decision.

Rapid learning

Custom Decision Service automatically optimises based on your feedback. It even experiments with new options to see if the best decision has changed, enabling it to adjust to emerging trends.

Easy to use

Custom Decision Service is cloud-based so it is easy to run, able to plug into your application and make decisions in real time.

Explore the Cognitive Services APIs

Computer Vision API

Distill actionable information from images

Content Moderator

Automated image, text and video moderation


Personalise user experiences with emotion recognition

Face API

Detect, identify, analyze, organise, and tag faces in photos

Video Indexer PREVIEW

Unlock video insights

Custom Vision Service PREVIEW

Easily customize your own state-of-the-art computer vision models for your unique use case

Text Analytics API

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

Language Understanding (LUIS)

Teach your apps to understand commands from your users

Bing Spell Check API

Detect and correct spelling mistakes in your app

Translator Text API

Easily conduct machine translation with a simple REST API call

Linguistic Analysis API PREVIEW

Simplify complex language concepts and parse text with the Linguistic Analysis API

Bing Speech API

Convert speech to text and back again to understand user intent

Speaker Recognition API PREVIEW

Use speech to identify and verify individual speakers

Custom Speech Service PREVIEW

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

Translator Speech API

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

QnA Maker API

Distill information into conversational, easy-to-navigate answers

Custom Decision Service

A cloud-based, contextual decision-making API that sharpens with experience

Project Gesture

Gesture based controls

Project Knowledge Exploration

Previously called Knowledge Exploration Service API

Project Event Tracking

Event associated with Wikipedia entries

Project Academic Knowledge

Previously called Academic Knowledge

Project Local Insights

Location insights

Project Entity Linking

Previously called Entity Linking Intelligence Service API

Ready to supercharge your app?