Amazon EFS website screenshot

Amazon EFS

Amazon Elastic File System (EFS) provides a simple, serverless, set-and-forget elastic file system for use with AWS cloud services and on-premises resources. EFS is built to scale on demand to petabytes without disrupting applications, growing and shrinking automatically as you add and remove files.

Amazon EFS publishes 1 API on the APIs.io network: 2015 02 01 API. Tagged areas include Amazon Web Services, EFS, Elastic File System, File Storage, and NFS.

The Amazon EFS catalog on APIs.io includes 1 JSON-LD context and 2 Spectral governance rulesets.

Amazon EFS’s developer surface includes authentication, developer portal, documentation, support, engineering blog, developer console, signup flow, and 25 more developer resources.

68.3/100 exemplar ▬ flat Agent 45/100 agent ready Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessFreemiumSelf serve⚡ Free to try
1 APIs 6 Features 5 Use Cases
Amazon Web ServicesEFSElastic File SystemFile StorageNFSServerlessStorage

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 68.3/100 · exemplar
Contract Quality 18.7 / 25
Developer Ergonomics 9.1 / 20
Commercial Clarity 17.9 / 20
Operational Transparency 8.2 / 13
Governance 8.3 / 12
Discoverability 6.1 / 10
Agent readiness — 45/100 · agent ready
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
MCP Server 0 / 12
Machine-Readable Auth 10 / 10
Idempotency 9 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 7 / 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/amazon-efs: 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 1

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

Amazon EFS 2015 02 01 API

The 2015 02 01 API from Amazon EFS — 3 operation(s) for 2015 02 01.

Postman Collections 1

Ready-to-run Postman collections for exercising this provider's APIs.

Open Collections 1

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

Arazzo Workflows 6

Multi-step API workflows described with the Arazzo specification.

Amazon EFS Decommission File System

Confirm a file system has no mount targets, then delete the file system.

ARAZZO

Amazon EFS Find or Create File System

Look up a file system by creation token and create it only if it does not already exist.

ARAZZO

Amazon EFS Inspect File System Topology

Describe a file system and enumerate its mount targets to audit its network topology.

ARAZZO

Amazon EFS Multi-AZ Mount Targets

Create a file system, wait until available, then attach mount targets in two Availability Zones.

ARAZZO

Amazon EFS Provision File System

Create an EFS file system, wait for it to become available, then attach a mount target.

ARAZZO

Amazon EFS Provision Mount Target

Verify a file system is available, create a mount target, then poll until the mount target is available.

ARAZZO

Pricing Plans 1

Published pricing tiers and plan structures.

Rate Limits 1

Documented rate limits and quota policies.

Amazon Efs Rate Limits

5 limits

RATE LIMITS

FinOps 1

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

Features 6

Notable capabilities this provider offers.

Elastic Scalability

Automatically grows and shrinks as you add and remove files with no provisioning required.

Multiple Storage Classes

Standard, Infrequent Access, and Archive storage classes with automatic lifecycle management.

Multi-AZ Replication

Data automatically replicated across multiple Availability Zones for 99.999999999% durability.

Concurrent Access

Thousands of EC2 instances and Lambda functions can access the same file system simultaneously.

EFS Access Points

Application-specific entry points with customized directory access and POSIX permissions.

AWS Backup Integration

Centralized backup management for EFS file systems with policy-based retention.

Semantic Vocabularies 1

JSON-LD contexts and semantic vocabularies used across these APIs.

Amazon Efs Context

4 classes · 30 properties

JSON-LD

Spectral Rules 2

Spectral governance rulesets for linting and validating these APIs.

Amazon EFS API Rules

5 rules · 4 warnings 1 info

SPECTRAL

Amazon EFS API Rules

34 rules · 11 errors 19 warnings 4 info

SPECTRAL

JSON Schema 4

Standalone JSON Schema definitions for this provider's data models.

Amazon EFS FileSystem

17 properties

JSON SCHEMA

DescribeFileSystemsResponse

3 properties

JSON SCHEMA

FileSystem

15 properties

JSON SCHEMA

MountTarget

9 properties

JSON SCHEMA

JSON Structure 4

JSON Structure definitions describing this provider's data shapes.

Amazon Efs Filesystem Structure

17 properties

JSON STRUCTURE

Efs Openapi File System Structure

15 properties

JSON STRUCTURE

Efs Openapi Mount Target Structure

9 properties

JSON STRUCTURE

Examples 4

Example request and response payloads for these APIs.

Security Posture 4

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

Amazon Efs Authentication

apiKey · 1 scheme

SECURITY

Amazon Efs Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Amazon Efs Vulnerability Disclosure

security.txt · contact published

SECURITY

Amazon Efs Trust Center

PCI DSS, HIPAA, FedRAMP, GDPR, FIPS 140

SECURITY

Agentic Access 1

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

Amazon Efs Agentic Access

5 operations · 3 acting

5 operations · 3 acting

AGENTIC

Use Cases 5

What developers build with this provider.

Containerized Application Storage

Persistent shared storage for containerized applications running on ECS or EKS.

Machine Learning

Shared training data storage accessible simultaneously by multiple compute instances.

Content Management

Shared file storage for web servers and CMS platforms requiring concurrent file access.

DevOps and Code Sharing

Centralized code and configuration storage accessible by development teams and CI/CD pipelines.

Big Data Analytics

High-throughput shared storage for analytics workloads requiring parallel data access.

Resources

Get Started 5

Portal, sign-up, and the first successful call

Documentation 1

Reference material describing how the API behaves

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

Design & Contract 8

Pagination, idempotency, versioning, errors, and events

Scroll for all 8

Build 2

SDKs, sample code, and the tooling you integrate with

Access & Security 6

Authentication, authorization, and security posture

Learn 1

Tutorials, courses, talks, and written guidance

Operate 4

Status, limits, changes, and where to get help

Commercial 2

Pricing, plans, and the legal terms of use

Company 1

The organization behind the API

Other 1

Properties that don't map to a standard resource type

Source (apis.yml)

apis.yml Raw ↑
name: Amazon EFS
description: Amazon Elastic File System (EFS) provides a simple, serverless, set-and-forget elastic file system for use with
  AWS cloud services and on-premises resources. EFS is built to scale on demand to petabytes without disrupting applications,
  growing and shrinking automatically as you add and remove files.
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://a0.awsstatic.com/libra-css/images/logos/aws_logo_smile_1200x630.png
url: https://aws.amazon.com/efs/
created: '2024-01-15'
modified: '2026-05-19'
tags:
- Amazon Web Services
- AWS
- EFS
- Elastic File System
- File Storage
- NFS
- Serverless
- Storage
apis:
- aid: amazon-efs:amazon-efs-2015-02-01-api
  name: Amazon EFS 2015 02 01 API
  description: The 2015 02 01 API from Amazon EFS — 3 operation(s) for 2015 02 01.
  baseURL: https://elasticfilesystem.amazonaws.com
  tags:
  - 2015 02 01
  properties:
  - type: OpenAPI
    url: openapi/amazon-efs-2015-02-01-api-openapi.yml
  - type: Documentation
    url: https://docs.aws.amazon.com/efs/latest/ug/
  - type: JSONSchema
    url: json-schema/amazon-efs-filesystem-schema.json
  - type: JSONLD
    url: json-ld/amazon-efs-context.jsonld
  - type: Pricing
    url: https://aws.amazon.com/efs/pricing/
  - type: GettingStarted
    url: https://aws.amazon.com/efs/getting-started/
  - type: FAQ
    url: https://aws.amazon.com/efs/faqs/
  - type: APIReference
    url: https://docs.aws.amazon.com/efs/latest/ug/API_Reference.html
  - type: Documentation
    url: https://docs.aws.amazon.com/cli/latest/reference/efs/
  - type: Security
    url: https://docs.aws.amazon.com/efs/latest/ug/security.html
  - type: JSONStructure
    url: json-structure/amazon-efs-filesystem-structure.json
  - type: Examples
    url: examples/amazon-efs-filesystem-example.json
common:
- type: AgenticAccess
  url: agentic-access/amazon-efs-agentic-access.yml
- type: TrustCenter
  url: security/amazon-efs-trust-center.yml
- type: VulnerabilityDisclosure
  url: security/amazon-efs-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/amazon-efs-domain-security.yml
- type: Authentication
  url: authentication/amazon-efs-authentication.yml
- type: PostmanWorkspace
  url: https://www.postman.com/kinlaneapi/amazon-efs/overview
- type: Arazzo
  url: arazzo/amazon-efs-decommission-file-system-workflow.yml
  name: Amazon EFS Decommission File System
- type: Arazzo
  url: arazzo/amazon-efs-find-or-create-file-system-workflow.yml
  name: Amazon EFS Find or Create File System
- type: Arazzo
  url: arazzo/amazon-efs-inspect-file-system-topology-workflow.yml
  name: Amazon EFS Inspect File System Topology
- type: Arazzo
  url: arazzo/amazon-efs-multi-az-mount-targets-workflow.yml
  name: Amazon EFS Multi-AZ Mount Targets
- type: Arazzo
  url: arazzo/amazon-efs-provision-file-system-workflow.yml
  name: Amazon EFS Provision File System
- type: Arazzo
  url: arazzo/amazon-efs-provision-mount-target-workflow.yml
  name: Amazon EFS Provision Mount Target
- type: Portal
  url: https://aws.amazon.com/
- type: DeveloperPortal
  url: https://aws.amazon.com/
- type: Documentation
  url: https://docs.aws.amazon.com/
- type: TermsOfService
  url: https://aws.amazon.com/service-terms/
- type: PrivacyPolicy
  url: https://aws.amazon.com/privacy/
- type: Support
  url: https://aws.amazon.com/support/
- type: Blog
  url: https://aws.amazon.com/blogs/
- type: GitHubOrganization
  url: https://github.com/aws
- type: Console
  url: https://console.aws.amazon.com/
- type: Signup
  url: https://portal.aws.amazon.com/billing/signup
- type: Login
  url: https://signin.aws.amazon.com/
- type: StatusPage
  url: https://status.aws.amazon.com/
- type: KnowledgeCenter
  url: https://repost.aws/knowledge-center
- type: YouTube
  url: https://www.youtube.com/user/AmazonWebServices
- type: StackOverflow
  url: https://stackoverflow.com/questions/tagged/amazon-web-services
- type: Contact
  url: https://aws.amazon.com/contact-us/
- type: Security
  url: https://aws.amazon.com/security/
- type: Compliance
  url: https://aws.amazon.com/compliance/
- type: Features
  data:
  - name: Elastic Scalability
    description: Automatically grows and shrinks as you add and remove files with no provisioning required.
  - name: Multiple Storage Classes
    description: Standard, Infrequent Access, and Archive storage classes with automatic lifecycle management.
  - name: Multi-AZ Replication
    description: Data automatically replicated across multiple Availability Zones for 99.999999999% durability.
  - name: Concurrent Access
    description: Thousands of EC2 instances and Lambda functions can access the same file system simultaneously.
  - name: EFS Access Points
    description: Application-specific entry points with customized directory access and POSIX permissions.
  - name: AWS Backup Integration
    description: Centralized backup management for EFS file systems with policy-based retention.
- type: UseCases
  data:
  - name: Containerized Application Storage
    description: Persistent shared storage for containerized applications running on ECS or EKS.
  - name: Machine Learning
    description: Shared training data storage accessible simultaneously by multiple compute instances.
  - name: Content Management
    description: Shared file storage for web servers and CMS platforms requiring concurrent file access.
  - name: DevOps and Code Sharing
    description: Centralized code and configuration storage accessible by development teams and CI/CD pipelines.
  - name: Big Data Analytics
    description: High-throughput shared storage for analytics workloads requiring parallel data access.
- type: Integrations
  data:
  - name: Amazon EC2
    description: Mount EFS file systems on EC2 instances using the NFS protocol.
  - name: Amazon ECS
    description: Provide persistent shared storage for ECS tasks with EFS volume drivers.
  - name: Amazon EKS
    description: Use the Amazon EFS CSI driver to mount EFS file systems as Kubernetes persistent volumes.
  - name: AWS Lambda
    description: Access EFS file systems from Lambda functions for shared data storage and large model loading.
  - name: AWS Backup
    description: Automated backup of EFS file systems with centralized policy management.
- type: SpectralRules
  url: rules/amazon-efs-spectral-rules.yml
- type: Vocabulary
  url: vocabulary/amazon-efs-vocabulary.yaml
- type: Integrations
  url: https://aws.amazon.com/marketplace
maintainer:
  name: Kin Lane
  email: kin@apievangelist.com
integrations:
- name: Agent Mode
- name: Sign in
- name: Become a Channel Partner
- name: Resources
- name: Sell in AWS Marketplace
- name: Why AWS Marketplace?
- name: Get started in AWS Marketplace
- name: Manage Your Account