Azure Durable Functions website screenshot

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 Workflow.

Azure Durable Functions’ developer surface includes authentication, documentation, and 7 more developer resources.

🌐 Visit website 📡 Source on GitHub
37.8/100 thin ▬ flat Agent 41/100 agent ready Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessFreemiumSelf serve⚡ Free to try
2 APIs 1 MCP Servers
API CompositionDurable ExecutionServerless OrchestrationWorkflow

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 37.8/100 · thin
Contract Quality 13.6 / 25
Developer Ergonomics 5.7 / 20
Commercial Clarity 7.9 / 20
Operational Transparency 4.8 / 13
Governance 0.0 / 12
Discoverability 5.9 / 10
Agent readiness — 41/100 · agent ready
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
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.

Azure Durable Functions Entities API

Durable entity management

Azure Durable Functions Orchestrations API

Orchestration instance management

Open Collections 1

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

Azure Durable Functions HTTP API

OPEN COLLECTION

MCP Servers 1

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

MCP Server

MCP SERVER

Pricing Plans 1

Published pricing tiers and plan structures.

Durable Functions Plans Pricing

3 plans

PLANS

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.

Durable Functions Finops

FINOPS

Security Posture 3

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

Durable Functions Authentication

apiKey · 1 scheme

SECURITY

Durable Functions Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Durable Functions Vulnerability Disclosure

security.txt · contact published

SECURITY

Agentic Access 1

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

Durable Functions Agentic Access

14 operations · 10 acting · 1 human-in-the-loop

14 operations · 10 acting

AGENTIC

Resources

Documentation 1

Reference material describing how the API behaves

Documentation
Documentation

Agent Surfaces 2

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess
AgenticAccess
 MCPServer
MCPServer

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization
GitHubOrganization

Access & Security 3

Authentication, authorization, and security posture

VulnerabilityDisclosure
VulnerabilityDisclosure
 DomainSecurity
DomainSecurity
 Authentication
Authentication

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)

apis.yml Raw ↑ 
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
- Workflow
url: https://raw.githubusercontent.com/api-evangelist/durable-functions/refs/heads/main/apis.yml
created: '2026-03-27'
modified: '2026-05-19'
specificationVersion: '0.19'
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: 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