Azure Durable Functions

Azure Durable Functions is a serverless extension for writing stateful workflows and orchestrations in code using Azure Functions. The extension exposes built-in HTTP APIs for managing orchestrations, durable entities, and task hubs.

Azure Durable Functions publishes 2 APIs on the APIs.io network: Entities API and Orchestrations API. Tagged areas include API Composition, Durable Execution, Serverless Orchestration, and Workflows.

Azure Durable Functions’ developer surface includes authentication, documentation, and 13 more developer resources.

🌐 Visit website 📡 Source on GitHub

28.8/100 thin ▬ flat Agent 33/100 agent aware Full breakdown ↓
scored 2026-08-21 · rubric v0.12.0

AccessFreemiumSelf serve⚡ Free to try

2 APIs 1 MCP Servers

API Composition Durable ExecutionServerless OrchestrationWorkflows

Kin Score

Kin Score How this is scored →
scored 2026-08-21 · rubric v0.12.0

Composite quality — 28.8/100 · thin

Contract Quality 12.6 / 25

Developer Ergonomics 2.4 / 20

Access Clarity 3.2 / 20

Operational Transparency 4.8 / 13

Contract Governance 0.0 / 12

Discoverability 5.9 / 10

Agent readiness — 33/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

Documented Reversibility 0 / 6

MCP Server 12 / 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 0 / 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

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/durable-functions: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 2

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

MCP Servers 1

Model Context Protocol servers that expose these APIs to AI agents.

Rate Limits 1

Documented rate limits and quota policies.

Durable Functions Rate Limits

5 limits

RATE LIMITS

FinOps 1

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

AGENTIC

Resources

Documentation 2

Reference material describing how the API behaves

ContributionGuide

ContributionGuide

Documentation

Documentation

Agent Surfaces 2

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

MCPServer

MCPServer

Build 2

SDKs, sample code, and the tooling you integrate with

CodeOfConduct

CodeOfConduct

GitHubOrganization

GitHubOrganization

Access & Security 4

Authentication, authorization, and security posture

SecurityPolicy

SecurityPolicy

VulnerabilityDisclosure

VulnerabilityDisclosure

DomainSecurity

DomainSecurity

Authentication

Authentication

Operate 2

Status, limits, changes, and where to get help

IssueTracker

IssueTracker

Releases

Releases

Commercial 1

Pricing, plans, and the legal terms of use

License

License

Company 1

The organization behind the API

Website

Website

Other 1

Properties that don't map to a standard resource type

Repository

Repository

Source (apis.yml)

aid: durable-functions
name: Azure Durable Functions
description: Azure Durable Functions is a serverless extension for writing stateful workflows and orchestrations in code using
  Azure Functions. The extension exposes built-in HTTP APIs for managing orchestrations, durable entities, and task hubs.
type: Index
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/durable-functions.png
tags:
- API Composition
- Durable Execution
- Serverless Orchestration
- Workflows
tags_raw:
- API Composition
- Durable Execution
- Serverless Orchestration
- Workflow
url: https://raw.githubusercontent.com/api-evangelist/durable-functions/refs/heads/main/apis.yml
created: '2026-03-27'
modified: '2026-05-19'
specificationVersion: '0.23'
apis:
- aid: durable-functions:durable-functions-entities-api
  name: Azure Durable Functions Entities API
  description: Durable entity management
  humanURL: https://learn.microsoft.com/en-us/azure/azure-functions/durable/durable-functions-http-api
  baseURL: https://{appName}.azurewebsites.net
  tags:
  - Entities
  properties:
  - type: OpenAPI
    url: openapi/durable-functions-entities-api-openapi.yml
  - type: Documentation
    url: https://learn.microsoft.com/en-us/azure/azure-functions/durable/
  - type: HTTP API Reference
    url: https://learn.microsoft.com/en-us/azure/azure-functions/durable/durable-functions-http-api
  - type: GettingStarted
    url: https://learn.microsoft.com/en-us/azure/azure-functions/durable/durable-functions-create-first-csharp
- aid: durable-functions:durable-functions-orchestrations-api
  name: Azure Durable Functions Orchestrations API
  description: Orchestration instance management
  humanURL: https://learn.microsoft.com/en-us/azure/azure-functions/durable/durable-functions-http-api
  baseURL: https://{appName}.azurewebsites.net
  tags:
  - Orchestrations
  properties:
  - type: OpenAPI
    url: openapi/durable-functions-orchestrations-api-openapi.yml
  - type: Documentation
    url: https://learn.microsoft.com/en-us/azure/azure-functions/durable/
  - type: HTTP API Reference
    url: https://learn.microsoft.com/en-us/azure/azure-functions/durable/durable-functions-http-api
  - type: GettingStarted
    url: https://learn.microsoft.com/en-us/azure/azure-functions/durable/durable-functions-create-first-csharp
common:
- type: IssueTracker
  url: https://github.com/Azure/azure-functions-durable-extension/issues
- type: Releases
  url: https://github.com/Azure/azure-functions-durable-extension/releases
- type: SecurityPolicy
  url: https://github.com/Azure/azure-functions-durable-extension/blob/dev/SECURITY.md
- type: CodeOfConduct
  url: https://github.com/Azure/.github/blob/main/CODE_OF_CONDUCT.md
- type: ContributionGuide
  url: https://github.com/Azure/azure-functions-durable-extension/blob/dev/CONTRIBUTING.md
- type: License
  name: MIT
  url: https://github.com/Azure/azure-functions-durable-extension/blob/dev/LICENSE
- type: AgenticAccess
  url: agentic-access/durable-functions-agentic-access.yml
- type: VulnerabilityDisclosure
  url: security/durable-functions-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/durable-functions-domain-security.yml
- type: Authentication
  url: authentication/durable-functions-authentication.yml
- type: Website
  url: https://learn.microsoft.com/en-us/azure/azure-functions/durable/durable-functions-overview
- type: Documentation
  url: https://learn.microsoft.com/en-us/azure/azure-functions/durable/
- type: GitHubOrganization
  url: https://github.com/Azure
- type: Repository
  url: https://github.com/Azure/azure-functions-durable-extension
- name: MCP Server
  url: https://github.com/Azure/azure-functions-mcp-extension
  type: MCPServer
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

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Azure Durable Functions

Kin Score

APIs 2

Azure Durable Functions Entities API

Azure Durable Functions Orchestrations API

Open Collections 4

API Collection

Azure Durable Functions HTTP Entities API

Azure Durable Functions HTTP API

Azure Durable Functions HTTP Entities Orchestrations API

MCP Servers 1

MCP Server

Pricing Plans 1

Durable Functions Plans Pricing