Apache Hadoop

Apache Hadoop is an open-source framework for distributed storage and processing of large datasets across clusters of computers using simple programming models. It includes HDFS for distributed storage, YARN for resource management, and MapReduce for parallel data processing.

Apache Hadoop publishes 6 API contracts indexed on the APIs.io network, including WebHDFS API, YARN Applications API, YARN Cluster API, and 3 more. Tagged areas include Big Data, Data Processing, Distributed Computing, HDFS, and MapReduce.

The Apache Hadoop catalog on APIs.io includes 1 Spectral governance ruleset.

Apache Hadoop’s developer surface includes documentation, getting-started guide, changelog, and 12 more developer resources.

🌐 Visit website 📡 Profile data on GitHub

29.4/100 thin ▬ flat Agent 17/100 agent aware Front door AI 4/6 moderate saas Full breakdown ↓
scored 2026-11-06 · rubric v0.27.0 · Show this score on your site →

AccessFreemium

1 published contract

Big Data Data Processing Distributed ComputingHDFSMapReduceOpen Source

What this lets a business do 1

Business capabilities this provider's published APIs can perform, derived from its own contracts. Browse all capabilities →

Information Technology Management

BC-600

WebHDFSYARN Applications

GET /webhdfs/v1/{path} POST /ws/v1/cluster/apps PUT /ws/v1/cluster/apps/{appid}/queue

Kin Score

Kin Score How this is scored →
scored 2026-11-06 · rubric v0.27.0

Composite quality — 29.4/100 · thin

Contract Quality 7.1 / 19

Developer Ergonomics 3.6 / 15

Access Clarity 2.8 / 15

Operational Transparency 3.6 / 10

Contract Governance 1.2 / 9

Discoverability 4.3 / 8

Regulatory Posture 2.4 / 15

Create-or-Update Ergonomics 0.0 / 10

Agent readiness — 17/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

Documented Reversibility 0 / 6

MCP Server 0 / 12

Machine-Readable Auth 0 / 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

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Well-Known Document 0 / 5

Pagination 5 / 5

Distinct Operations 3 / 3

MCP Tool Quality 6 / 6

Regulatory Posture applies to this provider. Its tags matched the Horizontal (data, software, accessibility, platform) regime, so Regulatory Posture carries 15 points of the composite. If this regime is wrong for your business, say so on your provider repo — the applicability map is public and we will correct it.

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.

The six quality facets above are damped to 75 points between them, because the conditional facet above carries the other 25. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 75% of its nominal weight, not 100%. The full arithmetic is at apis.io/rating/.

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Agent readiness — checks not met, largest first (exact, from this profile):

MCP Server +12 pts — deployment.mode + probe verdict on the mcp/ manifest, not the pointer; an unprobed slug falls back to authorship
Machine-Readable Auth +10 pts — a served openid-configuration/oauth-authorization-server carrying `issuer` (served), else the securitySchemes class in the provider OpenAPIs — bound (mutualTLS, DPoP, Signature) > negotiable (oauth2 authorizationCode/clientCredentials, openIdConnect) > bearer (http bearer, apiKey)
Idempotency +9 pts — OpenAPI mutating operations declare an idempotency key — a header, a request-body property, or a named de-duplication token whose own description says so (verified); else common[].type matches /idempoten/i (documented)
Stable Error Semantics +8 pts — OpenAPI $refs a shared error schema across 4xx/5xx responses (verified), else common[].type includes ErrorCatalog / ErrorCodes / DeclineCodes
A2A Agent Card +8 pts — a2a/-a2a.yml manifest, graded on conformance.grade against A2A 1.0.0
Request/Response Examples +7 pts — share of operations carrying request/response examples; else an Examples / Code Samples link

10 more unmet checks in the Agent Readiness table above.

Kin Score — facets with the most composite points still available (weight × headroom):

Access Clarity scores 18.4 — up to +16.3 composite points
Contract Quality scores 37.7 — up to +15.6 composite points
Developer Ergonomics scores 23.8 — up to +15.2 composite points

Each check links to what satisfies it. Publish the artifact, or tell us where it already lives, and the score moves on the next scoring run.

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 the provider profile at artifacts.apis.io/hadoop/apis.yml: open an issue on github.com/api-evangelist/hadoop to ask a question or point us at an artifact you publish. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

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.

OpenAPI

measured — observed by APIs.io (published)

APIs 6

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

MapReduce History Server REST API

REST API for accessing MapReduce job history and statistics.

HttpFS REST API

HTTP REST API gateway supporting both webhdfs and httpfs operations for HDFS access.

Apache Hadoop WebHDFS API

HDFS filesystem REST operations under /webhdfs/v1.

Apache Hadoop YARN Applications API

Application listing, submission, and lifecycle.

Apache Hadoop YARN Cluster API

Cluster information and metrics.

Apache Hadoop YARN Nodes API

Cluster node listing and resource updates.

Open Collections 5

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

Apache Hadoop REST APIs WebHDFS API

OPEN COLLECTION

Apache Hadoop REST APIs WebHDFS YARN Applications API

OPEN COLLECTION

Apache Hadoop REST APIs WebHDFS YARN Cluster API

OPEN COLLECTION

Apache Hadoop REST APIs WebHDFS YARN Nodes API

OPEN COLLECTION

Apache Hadoop REST APIs

OPEN COLLECTION

Apache Hadoop API pricing

Not yet checked against Apache Hadoop's own pricing page. Compiled by API Evangelist on 2026-05-04; confirm before you rely on a figure. A free plan or tier is listed.

Plan	Price
Free freemium	Free
Professional paid	Free
Enterprise enterprise	—

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 Apache Hadoop's documentation. All 5 limits →

Pricing Plans 1

Published pricing tiers and plan structures.

Hadoop Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Hadoop Rate Limits

5 limits

RATE LIMITS

Service Levels 1

Uptime the provider promises or reports, as SLA4OAI. Read from its own pages; APIs.io runs no monitors.

Apache Hadoop

SLA

FinOps 1

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

Hadoop Finops

FINOPS

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs.

Apache Hadoop API Rules

38 rules · 36 errors 1 warnings 1 info

SPECTRAL

Security Posture 2

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

Hadoop Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Hadoop Vulnerability Disclosure

security.txt · contact published

SECURITY

Agentic Access 1

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

Hadoop Agentic Access

17 operations · 7 acting

AGENTIC

Resources

Get Started 1

Portal, sign-up, and the first successful call

GettingStarted

GettingStarted

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

GitHubOrganization

Access & Security 2

Authentication, authorization, and security posture

VulnerabilityDisclosure

VulnerabilityDisclosure

DomainSecurity

DomainSecurity

Operate 3

Status, limits, changes, and where to get help

RateLimits

RateLimits

Community

Community

ChangeLog

ChangeLog

Commercial 3

Pricing, plans, and the legal terms of use

Plans

Plans

FinOps

FinOps

TermsOfService

TermsOfService

Company 2

The organization behind the API

LinkedIn

Website

Website

Other 1

Properties that don't map to a standard resource type

CapabilityMap

CapabilityMap

Source (apis.yml)

aid: hadoop
name: Apache Hadoop
description: Apache Hadoop is an open-source framework for distributed storage and processing of large datasets across clusters
  of computers using simple programming models. It includes HDFS for distributed storage, YARN for resource management, and
  MapReduce for parallel data processing.
deliveryModel:
  model: saas
  open_source: false
  commercial: true
  callable_host: false
  label: Hosted service · you call their endpoint
  confidence: medium
  source:
  - openapi
  - pricing
  generated: '2026-08-28'
  method: derived
accessModel:
  pricing: freemium
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Freemium
  confidence: low
  source:
  - plans
  - security
  generated: '2026-11-06'
  method: derived
image: https://hadoop.apache.org/hadoop-logo.jpg
url: https://raw.githubusercontent.com/api-evangelist/hadoop/refs/heads/main/apis.yml
type: Index
created: '2024-01-15'
modified: '2026-05-19'
specificationVersion: '0.23'
tags:
- Big Data
- Data Processing
- Distributed Computing
- HDFS
- MapReduce
- Open Source
tags_raw:
- Big Data
- Data Processing
- Distributed Computing
- HDFS
- MapReduce
- Open Source
- Open-Source
apis:
- aid: hadoop:mapreduce-history-server-api
  name: MapReduce History Server REST API
  description: REST API for accessing MapReduce job history and statistics.
  humanURL: https://hadoop.apache.org/docs/stable/hadoop-mapreduce-client/hadoop-mapreduce-client-core/MapredAppMasterRest.html
  tags:
  - Job History
  - MapReduce
  - REST API
  properties:
  - type: Documentation
    url: https://hadoop.apache.org/docs/stable/hadoop-mapreduce-client/hadoop-mapreduce-client-core/MapredAppMasterRest.html
- aid: hadoop:httpfs-rest-api
  name: HttpFS REST API
  description: HTTP REST API gateway supporting both webhdfs and httpfs operations for HDFS access.
  humanURL: https://hadoop.apache.org/docs/stable/hadoop-hdfs-httpfs/index.html
  baseURL: http://httpfs-host:port/webhdfs/v1/
  tags:
  - Filesystem
  - Gateways
  - REST API
  tags_raw:
  - File System
  - Gateway
  - REST API
  properties:
  - type: Documentation
    url: https://hadoop.apache.org/docs/stable/hadoop-hdfs-httpfs/index.html
- aid: hadoop:hadoop-webhdfs-api
  name: Apache Hadoop WebHDFS API
  description: HDFS filesystem REST operations under /webhdfs/v1.
  humanURL: https://hadoop.apache.org/docs/stable/hadoop-project-dist/hadoop-hdfs/WebHDFS.html
  baseURL: http://host:port/webhdfs/v1/
  tags:
  - WebHDFS
  properties:
  - type: OpenAPI
    url: openapi/hadoop-webhdfs-api-openapi.yml
  - type: Documentation
    url: https://hadoop.apache.org/docs/stable/hadoop-project-dist/hadoop-hdfs/WebHDFS.html
  - type: Rules
    url: https://raw.githubusercontent.com/api-evangelist/hadoop/refs/heads/main/hadoop-rules.yml
  - type: Documentation
    url: https://hadoop.apache.org/docs/stable/hadoop-yarn/hadoop-yarn-site/ResourceManagerRest.html
- aid: hadoop:hadoop-yarn-applications-api
  name: Apache Hadoop YARN Applications API
  description: Application listing, submission, and lifecycle.
  humanURL: https://hadoop.apache.org/docs/stable/hadoop-project-dist/hadoop-hdfs/WebHDFS.html
  baseURL: http://host:port/webhdfs/v1/
  tags:
  - YARN Applications
  properties:
  - type: OpenAPI
    url: openapi/hadoop-yarn-applications-api-openapi.yml
  - type: Documentation
    url: https://hadoop.apache.org/docs/stable/hadoop-project-dist/hadoop-hdfs/WebHDFS.html
  - type: Rules
    url: https://raw.githubusercontent.com/api-evangelist/hadoop/refs/heads/main/hadoop-rules.yml
  - type: Documentation
    url: https://hadoop.apache.org/docs/stable/hadoop-yarn/hadoop-yarn-site/ResourceManagerRest.html
- aid: hadoop:hadoop-yarn-cluster-api
  name: Apache Hadoop YARN Cluster API
  description: Cluster information and metrics.
  humanURL: https://hadoop.apache.org/docs/stable/hadoop-project-dist/hadoop-hdfs/WebHDFS.html
  baseURL: http://host:port/webhdfs/v1/
  tags:
  - YARN Cluster
  properties:
  - type: OpenAPI
    url: openapi/hadoop-yarn-cluster-api-openapi.yml
  - type: Documentation
    url: https://hadoop.apache.org/docs/stable/hadoop-project-dist/hadoop-hdfs/WebHDFS.html
  - type: Rules
    url: https://raw.githubusercontent.com/api-evangelist/hadoop/refs/heads/main/hadoop-rules.yml
  - type: Documentation
    url: https://hadoop.apache.org/docs/stable/hadoop-yarn/hadoop-yarn-site/ResourceManagerRest.html
- aid: hadoop:hadoop-yarn-nodes-api
  name: Apache Hadoop YARN Nodes API
  description: Cluster node listing and resource updates.
  humanURL: https://hadoop.apache.org/docs/stable/hadoop-project-dist/hadoop-hdfs/WebHDFS.html
  baseURL: http://host:port/webhdfs/v1/
  tags:
  - YARN Nodes
  properties:
  - type: OpenAPI
    url: openapi/hadoop-yarn-nodes-api-openapi.yml
  - type: Documentation
    url: https://hadoop.apache.org/docs/stable/hadoop-project-dist/hadoop-hdfs/WebHDFS.html
  - type: Rules
    url: https://raw.githubusercontent.com/api-evangelist/hadoop/refs/heads/main/hadoop-rules.yml
  - type: Documentation
    url: https://hadoop.apache.org/docs/stable/hadoop-yarn/hadoop-yarn-site/ResourceManagerRest.html
common:
- type: Plans
  url: plans/hadoop-plans-pricing.yml
- type: RateLimits
  url: rate-limits/hadoop-rate-limits.yml
- type: FinOps
  url: finops/hadoop-finops.yml
- type: CapabilityMap
  url: capabilities/hadoop-capability-edges.yml
  name: Apache Hadoop Business Capability Map
- type: AgenticAccess
  url: agentic-access/hadoop-agentic-access.yml
- type: VulnerabilityDisclosure
  url: security/hadoop-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/hadoop-domain-security.yml
- type: LinkedIn
  url: https://www.linkedin.com/showcase/hadoop
- type: Website
  url: https://hadoop.apache.org/
- type: Documentation
  url: https://hadoop.apache.org/docs/stable/
- type: GettingStarted
  url: https://hadoop.apache.org/docs/stable/hadoop-project-dist/hadoop-common/SingleCluster.html
- type: GitHubOrganization
  url: https://github.com/apache/hadoop
- type: Community
  url: https://hadoop.apache.org/mailing_lists.html
- type: ChangeLog
  url: https://hadoop.apache.org/releases.html
- type: TermsOfService
  url: https://www.apache.org/licenses/LICENSE-2.0
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

Apache Hadoop API — frequently asked questions

Does Apache Hadoop have an API?

Yes. APIs.io lists 6 APIs from Apache Hadoop, including MapReduce History Server REST API, HttpFS REST API and Apache Hadoop WebHDFS API, and 3 more.

Is there an OpenAPI specification for the Apache Hadoop API?

Yes. APIs.io indexes 4 OpenAPI specifications for Apache Hadoop, each linked for download from this page.

How much does the Apache Hadoop API cost?

APIs.io lists 3 pricing plans for Apache Hadoop, with each plan's price, limits and inclusions under Pricing on this page.

Is the Apache Hadoop API ready for AI agents?

Apache Hadoop has a Kin Score of 29.4 out of 100 (thin) and an Agent Readiness score of 17.2 (agent-aware), scored by API Evangelist on 2026-11-06.

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Tools for providers

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find_providersBrowse and filter every provider in the catalog.
get_provider_artifactsEvery artifact this provider publishes, grouped by type.
get_provider_operationsEvery operation across all of their OpenAPIs — one call instead of parsing every spec.
get_provider_toolsEvery MCP tool they ship, with the operation each wraps.
get_provider_evidenceHow each part of their score was established. Free — the basis for a claim should not sit behind it.
get_provider_ratingPRO — composite, band, trend and facet scores.
apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
resolveTurn a domain, URL or GitHub org into the provider it belongs to.
find_cohortsEvery scored population of providers in the catalog.

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