Azure AI services REST API reference
This article provides an overview of available Azure AI services REST APIs with links to service and feature level reference documentation.
Available Azure AI services
Select a service from the table to learn how it can help you meet your development goals.
Supported services
| Service documentation | Description | Reference documentation |
|---|---|---|
 Azure AI Search |
Bring AI-powered cloud search to your mobile and web apps | Azure AI Search API |
 Azure OpenAI |
Perform a wide variety of natural language tasks | Azure OpenAI APIs • resource creation & deployment • completions & embeddings • fine-tuning |
 Bot Service |
Create bots and connect them across channels | Bot Service API |
 Content Safety |
An AI service that detects unwanted contents | Content Safety API |
 Custom Vision |
Customize image recognition for your business applications. | Custom Vision APIs • prediction • training |
 Document Intelligence |
Turn documents into intelligent data-driven solutions | Document Intelligence API |
 Face |
Detect and identify people and emotions in images | Face API |
 Language |
Build apps with industry-leading natural language understanding capabilities | REST API |
 Speech |
Speech to text, text to speech, translation, and speaker recognition | Speech APIs • speech to text • text to speech |
 Translator |
Translate more than 100 in-use, at-risk, and endangered languages and dialects | Translator APIs • text translation • document translation |
 Video Indexer |
Extract actionable insights from your videos | Video Indexer API |
 Vision |
Analyze content in images and videos | Vision API |
Deprecated services
| Service documentation | Description | Reference documentation |
|---|---|---|
 Anomaly Detector (deprecated 2023) |
Identify potential problems early on | Anomaly Detector API |
 Content Moderator (deprecated 2024) |
Detect potentially offensive or unwanted content | Content Moderator API |
 Language understanding (LUIS) (deprecated 2023) |
Understand natural language in your apps | LUIS API |
 Metrics Advisor (deprecated 2023) |
An AI service that detects unwanted contents | Metrics Advisor API |
 Personalizer (deprecated 2023) |
Create rich, personalized experiences for each user | Personalizer API |
| QnA maker (deprecated 2022) |
Distill information into easy-to-navigate questions and answers | QnA Maker API |