Azure OpenAI Service

Azure OpenAI Service provides REST API access to OpenAI large language models including GPT-4, GPT-4o, GPT-3.5 Turbo, DALL-E, and Whisper with enterprise-grade security, compliance, and regional availability.

Azure OpenAI Service publishes 7 APIs on the APIs.io network, including Chat API, Completions API, Embeddings API, and 4 more. Tagged areas include Artificial Intelligence, Embeddings, GPT, Generative AI, and Large Language Models.

Azure OpenAI Service’s developer surface includes authentication, developer portal, pricing, documentation, signup flow, support, and 9 more developer resources.

🌐 Visit website 📡 Source on GitHub

46.3/100 developing ▬ flat Agent 24/100 agent aware saas Full breakdown ↓
scored 2026-09-08 · rubric v0.20.0

AccessFreemiumSelf serve⚡ Free to try

9 APIs

Artificial Intelligence Embeddings GPT Generative AI Large Language Models OpenAI

Kin Score

Kin Score How this is scored →
scored 2026-09-08 · rubric v0.20.0

Composite quality — 46.3/100 · developing

Contract Quality 13.0 / 23

Developer Ergonomics 9.9 / 18

Access Clarity 10.9 / 18

Operational Transparency 1.2 / 12

Contract Governance 0.0 / 11

Discoverability 7.3 / 9

Create-or-Update Ergonomics 0.0 / 10

Agent readiness — 24/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

Documented Reversibility 0 / 6

MCP Server 0 / 12

Machine-Readable Auth 10 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 7 / 7

Typed Event Surface 6 / 6

Agent Skills 0 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 0 / 4

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Well-Known Document 0 / 5

Create-or-Update Ergonomics applies to this provider. This API accepts writes, so it carries 10 points of the composite. It is scored from the published contracts themselves: whether a caller can create-or-update in one call, whether the write accepts a key the caller already holds, and whether the response says which branch ran. Without that, every write needs a search-and-branch in front of it, and the first time that check is skipped a duplicate record is created. Scored against the observed mean rather than raw — a provider at the catalog average is unchanged by this facet, not penalised by it.

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. Every facet and dimension name above is a link: it opens that measurement's own page — what it means, the exact checks that feed it, how the whole catalog distributes on it, and the providers at the top of it. This rating is computed from github.com/api-evangelist/microsoft-azure-openai: open an issue to ask a question, or submit a pull request to add artifacts. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

APIs 9

Individual APIs this provider publishes, each with its own machine-readable definition.

Azure OpenAI Service Chat API

The Chat API from Azure OpenAI Service — 1 operation(s) for chat.

Azure OpenAI Service Completions API

The Completions API from Azure OpenAI Service — 1 operation(s) for completions.

Azure OpenAI Service Embeddings API

The Embeddings API from Azure OpenAI Service — 1 operation(s) for embeddings.

Azure OpenAI Service Images API

The Images API from Azure OpenAI Service — 1 operation(s) for images.

Azure OpenAI Inference REST API

Data-plane REST API for running inference against deployed Azure OpenAI models, including chat completions, completions, embeddings, image generation, and audio transcription/tr...

Azure OpenAI Responses API

Stateful, agent-friendly API for building multi-turn AI experiences with tool use, file inputs, and conversation state managed on the service side.

Azure OpenAI Control Plane API

Azure Resource Manager (ARM) REST API for creating and managing Azure OpenAI accounts, model deployments, network rules, and other resource configuration.

Azure OpenAI Service Audio API

Audio transcription and translation (Whisper)

Azure OpenAI Service Chat Completions API

Chat-formatted text generation

Scroll for all 9

Open Collections 6

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

API Collection

OPEN COLLECTION

Azure OpenAI Service REST Chat API

OPEN COLLECTION

Azure OpenAI Service REST Chat Completions API

OPEN COLLECTION

Azure OpenAI Service REST Chat Embeddings API

OPEN COLLECTION

Azure OpenAI Service REST Chat Images API

OPEN COLLECTION

Azure OpenAI Service REST API

OPEN COLLECTION

GraphQL 1

GraphQL schemas published by this provider.

Azure OpenAI Service GraphQL API

Azure OpenAI Service provides REST API access to OpenAI models (GPT-4, GPT-3.5, DALL-E, Whisper, Embeddings) with enterprise SLAs, private networking, and Azure identity. The AP...

GRAPHQL

Pricing Plans 1

Published pricing tiers and plan structures.

Microsoft Azure Openai Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Microsoft Azure Openai Rate Limits

5 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Microsoft Azure Openai Finops

FINOPS

Security Posture 2

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Microsoft Azure Openai Authentication

apiKey/oauth2 · 2 schemes

SECURITY

Microsoft Azure Openai Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Scopes 1

OAuth scopes governing access to this provider's APIs.

Microsoft Azure Openai Scopes

1 scope · implicit

1 scopes

SCOPES

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Microsoft Azure Openai Agentic Access

4 operations · 4 acting

AGENTIC

Resources

Get Started 3

Portal, sign-up, and the first successful call

Portal

Portal

Signup

Signup

Login

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Agent Surfaces 2

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

LlmsText

LlmsText

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

GitHubOrganization

Access & Security 3

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Authentication

Authentication

OAuthScopes

OAuthScopes

Operate 1

Status, limits, changes, and where to get help

Support

Support

Commercial 3

Pricing, plans, and the legal terms of use

Pricing

Pricing

TermsOfService

TermsOfService

PrivacyPolicy

PrivacyPolicy

Company 1

The organization behind the API

Website

Website

Source (apis.yml)

name: Azure OpenAI Service
description: Azure OpenAI Service provides REST API access to OpenAI large language models including GPT-4, GPT-4o, GPT-3.5
  Turbo, DALL-E, and Whisper with enterprise-grade security, compliance, and regional availability.
deliveryModel:
  model: saas
  open_source: false
  commercial: true
  callable_host: true
  label: Hosted service · you call their endpoint
  confidence: high
  source:
  - openapi
  - pricing
  generated: '2026-08-28'
  method: derived
accessModel:
  pricing: freemium
  onboarding: self-serve
  trial: false
  try_now: true
  public: false
  label: Freemium · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/microsoft-azure-openai.png
tags:
- Artificial Intelligence
- Embeddings
- GPT
- Generative AI
- Large Language Models
- OpenAI
tags_raw:
- AI
- Embeddings
- GPT
- Generative AI
- Large Language Models
- OpenAI
created: '2026-03-13'
modified: '2026-05-19'
specificationVersion: '0.23'
apis:
- aid: microsoft-azure-openai:microsoft-azure-openai-chat-api
  name: Azure OpenAI Service Chat API
  description: The Chat API from Azure OpenAI Service — 1 operation(s) for chat.
  humanURL: https://learn.microsoft.com/en-us/azure/ai-services/openai/
  baseURL: https://{resource}.openai.azure.com/
  tags:
  - Chat
  properties:
  - type: OpenAPI
    url: openapi/microsoft-azure-openai-chat-api-openapi.yml
  - type: Documentation
    url: https://learn.microsoft.com/en-us/azure/ai-services/openai/
  - type: Authentication
    url: https://learn.microsoft.com/en-us/azure/ai-services/openai/how-to/managed-identity
  - type: GettingStarted
    url: https://learn.microsoft.com/en-us/azure/ai-services/openai/quickstart
  - type: APIReference
    url: https://learn.microsoft.com/en-us/azure/ai-services/openai/reference
- aid: microsoft-azure-openai:microsoft-azure-openai-completions-api
  name: Azure OpenAI Service Completions API
  description: The Completions API from Azure OpenAI Service — 1 operation(s) for completions.
  humanURL: https://learn.microsoft.com/en-us/azure/ai-services/openai/
  baseURL: https://{resource}.openai.azure.com/
  tags:
  - Completions
  properties:
  - type: OpenAPI
    url: openapi/microsoft-azure-openai-completions-api-openapi.yml
  - type: Documentation
    url: https://learn.microsoft.com/en-us/azure/ai-services/openai/
  - type: Authentication
    url: https://learn.microsoft.com/en-us/azure/ai-services/openai/how-to/managed-identity
  - type: GettingStarted
    url: https://learn.microsoft.com/en-us/azure/ai-services/openai/quickstart
  - type: APIReference
    url: https://learn.microsoft.com/en-us/azure/ai-services/openai/reference
- aid: microsoft-azure-openai:microsoft-azure-openai-embeddings-api
  name: Azure OpenAI Service Embeddings API
  description: The Embeddings API from Azure OpenAI Service — 1 operation(s) for embeddings.
  humanURL: https://learn.microsoft.com/en-us/azure/ai-services/openai/
  baseURL: https://{resource}.openai.azure.com/
  tags:
  - Embeddings
  properties:
  - type: OpenAPI
    url: openapi/microsoft-azure-openai-embeddings-api-openapi.yml
  - type: Documentation
    url: https://learn.microsoft.com/en-us/azure/ai-services/openai/
  - type: Authentication
    url: https://learn.microsoft.com/en-us/azure/ai-services/openai/how-to/managed-identity
  - type: GettingStarted
    url: https://learn.microsoft.com/en-us/azure/ai-services/openai/quickstart
  - type: APIReference
    url: https://learn.microsoft.com/en-us/azure/ai-services/openai/reference
- aid: microsoft-azure-openai:microsoft-azure-openai-images-api
  name: Azure OpenAI Service Images API
  description: The Images API from Azure OpenAI Service — 1 operation(s) for images.
  humanURL: https://learn.microsoft.com/en-us/azure/ai-services/openai/
  baseURL: https://{resource}.openai.azure.com/
  tags:
  - Image
  tags_raw:
  - Images
  properties:
  - type: OpenAPI
    url: openapi/microsoft-azure-openai-images-api-openapi.yml
  - type: Documentation
    url: https://learn.microsoft.com/en-us/azure/ai-services/openai/
  - type: Authentication
    url: https://learn.microsoft.com/en-us/azure/ai-services/openai/how-to/managed-identity
  - type: GettingStarted
    url: https://learn.microsoft.com/en-us/azure/ai-services/openai/quickstart
  - type: APIReference
    url: https://learn.microsoft.com/en-us/azure/ai-services/openai/reference
- aid: microsoft-azure-openai:inference-api
  name: Azure OpenAI Inference REST API
  description: Data-plane REST API for running inference against deployed Azure OpenAI models, including chat completions,
    completions, embeddings, image generation, and audio transcription/translation. Authenticate with API key (api-key header)
    or Microsoft Entra ID bearer token.
  humanURL: https://learn.microsoft.com/en-us/azure/ai-services/openai/reference
  baseURL: https://{your-resource-name}.openai.azure.com/openai
  tags:
  - Inference
  - Chat Completions
  - Embeddings
  - Image-Generation
  - Audio
  tags_raw:
  - Inference
  - Chat Completions
  - Embeddings
  - Image Generation
  - Audio
  properties:
  - type: Documentation
    url: https://learn.microsoft.com/en-us/azure/ai-services/openai/reference
  - type: API Reference (Latest)
    url: https://learn.microsoft.com/en-us/azure/foundry/openai/latest
  - type: API Reference (Preview)
    url: https://learn.microsoft.com/en-us/azure/foundry/openai/reference-preview-latest
  - type: OpenAPI Source
    url: https://github.com/Azure/azure-rest-api-specs/tree/main/specification/cognitiveservices/data-plane/AzureOpenAI
  - type: AsyncAPI
    url: https://raw.githubusercontent.com/api-evangelist/azure-openai/refs/heads/main/asyncapi/azure-openai-asyncapi.yml
  - url: graphql/azure-openai-graphql.md
    type: GraphQL
- aid: microsoft-azure-openai:responses-api
  name: Azure OpenAI Responses API
  description: Stateful, agent-friendly API for building multi-turn AI experiences with tool use, file inputs, and conversation
    state managed on the service side.
  humanURL: https://learn.microsoft.com/en-us/azure/foundry/openai/how-to/responses
  baseURL: https://{your-resource-name}.openai.azure.com/openai/responses
  tags:
  - Responses
  - Agents
  - Tool Use
  properties:
  - type: Documentation
    url: https://learn.microsoft.com/en-us/azure/foundry/openai/how-to/responses
- aid: microsoft-azure-openai:control-plane
  name: Azure OpenAI Control Plane API
  description: Azure Resource Manager (ARM) REST API for creating and managing Azure OpenAI accounts, model deployments, network
    rules, and other resource configuration.
  humanURL: https://learn.microsoft.com/en-us/rest/api/cognitiveservices/
  baseURL: https://management.azure.com
  tags:
  - ARM
  - Control Plane
  - Deployment
  - Resource Management
  tags_raw:
  - ARM
  - Control Plane
  - Deployments
  - Resource Management
  properties:
  - type: Documentation
    url: https://learn.microsoft.com/en-us/rest/api/cognitiveservices/
- aid: microsoft-azure-openai:azure-openai-audio-api
  name: Azure OpenAI Service Audio API
  description: Audio transcription and translation (Whisper)
  humanURL: https://learn.microsoft.com/en-us/azure/ai-services/openai/reference
  baseURL: https://{your-resource-name}.openai.azure.com/openai
  tags:
  - Audio
  properties:
  - type: OpenAPI
    url: openapi/azure-openai-audio-api-openapi.yml
- aid: microsoft-azure-openai:azure-openai-chat-completions-api
  name: Azure OpenAI Service Chat Completions API
  description: Chat-formatted text generation
  humanURL: https://learn.microsoft.com/en-us/azure/ai-services/openai/reference
  baseURL: https://{your-resource-name}.openai.azure.com/openai
  tags:
  - Chat Completions
  properties:
  - type: OpenAPI
    url: openapi/azure-openai-chat-completions-api-openapi.yml
common:
- type: AgenticAccess
  url: agentic-access/microsoft-azure-openai-agentic-access.yml
- type: DomainSecurity
  url: security/microsoft-azure-openai-domain-security.yml
- type: Authentication
  url: authentication/microsoft-azure-openai-authentication.yml
- type: OAuthScopes
  url: scopes/microsoft-azure-openai-scopes.yml
- type: GitHubOrganization
  url: https://github.com/Azure
- type: Portal
  url: https://portal.azure.com/
- type: Pricing
  url: https://azure.microsoft.com/en-us/pricing/details/cognitive-services/openai-service/
- type: Documentation
  url: https://learn.microsoft.com/en-us/azure/ai-services/openai/
- type: Website
  url: https://azure.microsoft.com/en-us/products/ai-services/openai-service
- type: Signup
  url: https://azure.microsoft.com/en-us/free/
- type: Login
  url: https://portal.azure.com/
- type: Support
  url: https://support.microsoft.com/
- type: TermsOfService
  url: https://www.microsoft.com/en-us/legal/terms-of-use
- type: PrivacyPolicy
  url: https://privacy.microsoft.com/en-us/privacystatement
- type: LlmsText
  url: https://portal.azure.com/llms.txt
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
x-parent: microsoft-azure
x-relationship: product

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