US Army website screenshot

US Army

The US Army is the largest branch of the United States military and is responsible for conducting ground combat operations. Its mission is to defend the nation and support humanitarian, peacekeeping, and training missions worldwide. The Army maintains a public API at api.army.mil providing access to news articles, events, and official content using OpenAPI 3 specification.

US Army publishes 3 APIs on the APIs.io network: Articles API, Events API, and News API. Tagged areas include Army, Federal Government, Military, Defense, and Open Data.

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

🌐 Visit website 📡 Source on GitHub
38.3/100 thin ▬ flat Agent 22/100 agent aware Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessFreemium
4 APIs
ArmyFederal GovernmentMilitaryDefenseOpen DataNews

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 38.3/100 · thin
Contract Quality 16.0 / 25
Developer Ergonomics 0.0 / 20
Commercial Clarity 7.9 / 20
Operational Transparency 4.1 / 13
Governance 7.0 / 12
Discoverability 6.5 / 10
Agent readiness — 22/100 · agent aware
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
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
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/us-army: 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 4

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

US Army Open Data

The US Army provides open data resources through data.gov and maintains open source projects through the US Army Research Laboratory GitHub organization. Army data includes geos...

US Army Articles API

The Articles API from US Army — 2 operation(s) for articles.

US Army Events API

The Events API from US Army — 1 operation(s) for events.

US Army News API

The News API from US Army — 1 operation(s) for news.

Open Collections 1

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

US Army Public API

OPEN COLLECTION

Pricing Plans 1

Published pricing tiers and plan structures.

Us Army Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Us Army Rate Limits

5 limits

RATE LIMITS

FinOps 1

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

Us Army Finops

FINOPS

Semantic Vocabularies 1

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

Us Army Context

20 classes · 7 properties

JSON-LD

Spectral Rules 2

Spectral governance rulesets for linting and validating these APIs.

US Army API Rules

5 rules · 3 warnings 2 info

SPECTRAL

US Army API Rules

7 rules · 2 errors 4 warnings 1 info

SPECTRAL

JSON Schema 1

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

US Army Article

11 properties

JSON SCHEMA

JSON Structure 1

JSON Structure definitions describing this provider's data shapes.

Us Army Article Structure

0 properties

JSON STRUCTURE

Examples 1

Example request and response payloads for these APIs.

Us Army Public Get Article By Id Example

2 fields

EXAMPLE

Security Posture 1

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

Us Army Domain Security

TLSv1.3 · DNSSEC · DMARC

SECURITY

Agentic Access 1

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

Us Army Agentic Access

4 operations

4 operations · 0 acting

AGENTIC

Resources

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess
AgenticAccess

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity

Company 1

The organization behind the API

LinkedIn
LinkedIn

Source (apis.yml)

apis.yml Raw ↑ 
aid: us-army
url: https://raw.githubusercontent.com/api-evangelist/us-army/refs/heads/main/apis.yml
common:
- type: AgenticAccess
  url: agentic-access/us-army-agentic-access.yml
- type: DomainSecurity
  url: security/us-army-domain-security.yml
- type: LinkedIn
  url: https://www.linkedin.com/company/us-army
apis:
- aid: us-army:us-army-open-data
  name: US Army Open Data
  tags:
  - Army
  - Federal Government
  - Open Data
  - Military
  humanURL: https://www.army.mil/
  properties:
  - url: https://www.army.mil/
    type: Documentation
  - url: https://catalog.data.gov/dataset?publisher=US+Army
    type: DataGov
  - url: https://github.com/USArmyResearchLab
    type: GitHubOrg
  description: The US Army provides open data resources through data.gov and maintains open source projects through the US
    Army Research Laboratory GitHub organization. Army data includes geospatial datasets, research publications, and public
    information resources.
- aid: us-army:us-army-articles-api
  name: US Army Articles API
  description: The Articles API from US Army — 2 operation(s) for articles.
  humanURL: https://api.army.mil/
  baseURL: https://api.army.mil/api/v1
  tags:
  - Articles
  properties:
  - type: OpenAPI
    url: openapi/us-army-articles-api-openapi.yml
  - type: Documentation
    url: https://api.army.mil/
  - type: SwaggerUI
    url: https://api.army.mil/
  - type: SpectralRuleset
    url: https://raw.githubusercontent.com/api-evangelist/us-army/refs/heads/main/rules/us-army-public-rules.yml
  - type: JSONSchema
    url: https://raw.githubusercontent.com/api-evangelist/us-army/refs/heads/main/json-schema/us-army-article-schema.json
  - type: JSONLDContext
    url: https://raw.githubusercontent.com/api-evangelist/us-army/refs/heads/main/json-ld/us-army-context.jsonld
- aid: us-army:us-army-events-api
  name: US Army Events API
  description: The Events API from US Army — 1 operation(s) for events.
  humanURL: https://api.army.mil/
  baseURL: https://api.army.mil/api/v1
  tags:
  - Events
  properties:
  - type: OpenAPI
    url: openapi/us-army-events-api-openapi.yml
  - type: Documentation
    url: https://api.army.mil/
  - type: SwaggerUI
    url: https://api.army.mil/
  - type: SpectralRuleset
    url: https://raw.githubusercontent.com/api-evangelist/us-army/refs/heads/main/rules/us-army-public-rules.yml
  - type: JSONSchema
    url: https://raw.githubusercontent.com/api-evangelist/us-army/refs/heads/main/json-schema/us-army-article-schema.json
  - type: JSONLDContext
    url: https://raw.githubusercontent.com/api-evangelist/us-army/refs/heads/main/json-ld/us-army-context.jsonld
- aid: us-army:us-army-news-api
  name: US Army News API
  description: The News API from US Army — 1 operation(s) for news.
  humanURL: https://api.army.mil/
  baseURL: https://api.army.mil/api/v1
  tags:
  - News
  properties:
  - type: OpenAPI
    url: openapi/us-army-news-api-openapi.yml
  - type: Documentation
    url: https://api.army.mil/
  - type: SwaggerUI
    url: https://api.army.mil/
  - type: SpectralRuleset
    url: https://raw.githubusercontent.com/api-evangelist/us-army/refs/heads/main/rules/us-army-public-rules.yml
  - type: JSONSchema
    url: https://raw.githubusercontent.com/api-evangelist/us-army/refs/heads/main/json-schema/us-army-article-schema.json
  - type: JSONLDContext
    url: https://raw.githubusercontent.com/api-evangelist/us-army/refs/heads/main/json-ld/us-army-context.jsonld
name: US Army
tags:
- Army
- Federal Government
- Military
- Defense
- Open Data
- News
kind: contract
accessModel:
  pricing: freemium
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Freemium
  confidence: medium
  source:
  - plans
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/us-army.png
access: 3rd-Party
created: '2024-11-21'
modified: '2026-05-19'
position: Consuming
description: The US Army is the largest branch of the United States military and is responsible for conducting ground combat
  operations. Its mission is to defend the nation and support humanitarian, peacekeeping, and training missions worldwide.
  The Army maintains a public API at api.army.mil providing access to news articles, events, and official content using OpenAPI
  3 specification.
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
specificationVersion: '0.19'