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 6 API contracts indexed on the APIs.io network, including Mount Targets API, Filesystems API, Efs Access Points API, and 3 more. 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 30 more developer resources.
What this lets a business do 1
Business capabilities this provider's published APIs can perform, derived from its own contracts. Browse all capabilities →
Kin Score
Standards implemented 1
Standards this provider implements or carries. De facto ones are profiled and measured by the API Commons; formal ones come from the standards directory and are linked by the provider's own tags. The evidence column says how each claim was established — not that it was made.
APIs 6
Individual APIs this provider publishes, each with its own machine-readable definition.
Amazon EFS Mount Targets API
The Mount Targets API from Amazon EFS — 1 operation(s) for mount targets.
Amazon EFS Filesystems API
The Filesystems API from Amazon EFS — 2 operation(s) for filesystems.
Amazon EFS Efs Access Points API
The Efs Access Points API from Amazon EFS — 2 operation(s) for efs access points.
Amazon EFS Efs Operations API
The Efs Operations API from Amazon EFS — 9 operation(s) for efs operations.
Amazon EFS Efs Policy API
The Efs Policy API from Amazon EFS — 1 operation(s) for efs policy.
Amazon EFS Efs Resource Tags API
The Efs Resource Tags API from Amazon EFS — 1 operation(s) for efs resource tags.
Postman Collections 1
Ready-to-run Postman collections for exercising this provider's APIs.
Open Collections 2
Open, tool-agnostic API collections (OpenAPI-derived and Bruno).
Amazon EFS Amazon Elastic File System (EFS) 2015 02 01 API
OPEN COLLECTIONAmazon EFS Amazon Elastic File System (EFS) API
OPEN COLLECTIONArazzo 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.
ARAZZOAmazon EFS Find or Create File System
Look up a file system by creation token and create it only if it does not already exist.
ARAZZOAmazon EFS Inspect File System Topology
Describe a file system and enumerate its mount targets to audit its network topology.
ARAZZOAmazon EFS Multi-AZ Mount Targets
Create a file system, wait until available, then attach mount targets in two Availability Zones.
ARAZZOAmazon EFS Provision File System
Create an EFS file system, wait for it to become available, then attach a mount target.
ARAZZOAmazon EFS Provision Mount Target
Verify a file system is available, create a mount target, then poll until the mount target is available.
ARAZZOAmazon EFS API pricing
Prices published by Amazon EFS, read 2026-10-28 from aws.amazon.com/efs/pricing/.
| Plan | Price |
|---|---|
| EFS total cost of ownership (as low as) | $0.0315/GB |
| Cross-AZ data transfer (EC2 rate) | $0.01/GB |
| AWS Free Tier | 5 GB/month Includes: Up to 5 GB/month on EFS Standard for first 12 months |
Plan details, limits and sources →
Rate limits
- Free Tier Default: 10 requests per minute
- Free Tier Monthly Quota: 1000 requests per month
- Professional Tier Default: 100 requests per minute
Compiled by API Evangelist, not yet checked against Amazon EFS's documentation. All 5 limits →
Billed by: gb · FinOps profile →
Pricing Plans 1
Published pricing tiers and plan structures.
Rate Limits 1
Documented rate limits and quota policies.
Amazon Efs Rate Limits
RATE LIMITSService Levels 1
Uptime the provider promises or reports, as SLA4OAI. Read from its own pages; APIs.io runs no monitors.
Amazon EFS
SLAFinOps 1
Cost, billing, and metering signals for API financial operations.
Amazon Efs Finops
FINOPSFeatures 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
JSON-LDSpectral Rules 2
Spectral governance rulesets for linting and validating these APIs.
Amazon EFS — jsonschema rules
SPECTRALAmazon EFS API Rules
SPECTRALJSON Schema 4
Standalone JSON Schema definitions for this provider's data models.
Amazon EFS FileSystem
JSON SCHEMADescribeFileSystemsResponse
JSON SCHEMAFileSystem
JSON SCHEMAMountTarget
JSON SCHEMAJSON Structure 4
JSON Structure definitions describing this provider's data shapes.
Amazon Efs Filesystem Structure
JSON STRUCTUREEfs Openapi Describe File Systems Response Structure
JSON STRUCTUREEfs Openapi File System Structure
JSON STRUCTUREEfs Openapi Mount Target Structure
JSON STRUCTUREExamples 4
Example request and response payloads for these APIs.
Security Posture 4
Authentication, domain security, vulnerability disclosure, and trust-center signals.
Agentic Access 1
Recommended x-agentic-access execution contracts for AI agents.
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 5
Status, limits, changes, and where to get help
Commercial 4
Pricing, plans, and the legal terms of use
Company 2
The organization behind the API
Other 2
Properties that don't map to a standard resource type
Source (apis.yml)
Amazon EFS API — frequently asked questions
Does Amazon EFS have an API?
Yes. APIs.io lists 6 APIs from Amazon EFS, including Amazon EFS Mount Targets API, Amazon EFS Filesystems API and Amazon EFS Efs Access Points API, and 3 more.
Is there an OpenAPI specification for the Amazon EFS API?
Yes. APIs.io indexes 6 OpenAPI specifications for Amazon EFS, each linked for download from this page.
How do I authenticate with the Amazon EFS API?
Amazon EFS uses bearer-token authentication (apiKey · 1 scheme). The details are profiled on APIs.io as Amazon Efs Authentication.
How much does the Amazon EFS API cost?
Amazon EFS publishes its prices; its EFS total cost of ownership (as low as) plan is $0.0315/GB as of 2026-10-28. APIs.io lists 3 pricing plans for Amazon EFS, with each plan's price, limits and inclusions under Pricing on this page.
Is the Amazon EFS API ready for AI agents?
Amazon EFS has a Kin Score of 68.0 out of 100 (exemplar) and an Agent Readiness score of 34.1 (agent-ready), scored by API Evangelist on 2026-11-06.
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