US Department of Defense

The US Department of Defense is responsible for providing the military forces needed to deter war and protect the security of the United States. This includes overseeing the Army, Navy, Marine Corps, and Air Force, as well as coordinating with other defense agencies and organizations. The Department of Defense also plays a critical role in developing military strategies, acquiring and maintaining weapons and equipment, and ensuring the readiness and effectiveness of the armed forces. The DoD's data strategy initiatives have led to the publication of multiple public APIs including the USACE Corps Water Management System API, Lock Performance Monitoring System, and the DoD open data portal.

US Department of Defense publishes 8 APIs on the APIs.io network, including Catalog API, Levels API, Locations API, and 5 more. Tagged areas include Federal Government, Defense, Military, Water Management, and Waterways.

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

🌐 Visit website 📡 Source on GitHub

37.2/100 thin ▬ flat Agent 22/100 agent aware Full breakdown ↓
scored 2026-07-28 · rubric v0.6

AccessFreemium

11 APIs

Federal GovernmentDefenseMilitaryWater ManagementWaterwaysOpen Data

Kin Score

Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6

Composite quality — 37.2/100 · thin

Contract Quality 14.6 / 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-department-of-defense: 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 11

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

Rate Limits 1

Documented rate limits and quota policies.

Us Department Of Defense Rate Limits

5 limits

RATE LIMITS

FinOps 1

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

JSON Schema 1

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

Examples 1

Example request and response payloads for these APIs.

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

Source (apis.yml)

aid: us-department-of-defense
url: https://raw.githubusercontent.com/api-evangelist/us-department-of-defense/refs/heads/main/apis.yml
common:
- type: AgenticAccess
  url: agentic-access/us-department-of-defense-agentic-access.yml
- type: DomainSecurity
  url: security/us-department-of-defense-domain-security.yml
- type: LinkedIn
  url: https://www.linkedin.com/company/united-states-department-of-defense
apis:
- aid: us-department-of-defense:lpms-api
  name: USACE Lock Performance Monitoring System API
  tags:
  - Waterways
  - Navigation
  - Locks
  - Federal Government
  humanURL: https://corpslocks.usace.army.mil/lpwb/f
  properties:
  - url: https://corpslocks.usace.army.mil/lpwb/f
    type: Documentation
  - url: https://catalog.data.gov/dataset/corps-locks
    type: DataCatalog
  description: The USACE Lock Performance Monitoring System (LPMS) API provides data on inland waterway lock operations across
    the US Army Corps of Engineers lock system. Endpoints return XML data for lock queue reports (past 24 hours), tonnage
    reports, and traffic reports (past 30 days). Tracks vessel traffic through 192 commercially active locks on US inland
    waterways.
- aid: us-department-of-defense:defense-data-gov
  name: DoD Data Portal
  tags:
  - Open Data
  - Defense
  - Federal Government
  humanURL: https://data.defense.gov/Featured-API/
  properties:
  - url: https://data.defense.gov/Featured-API/
    type: Documentation
  - url: https://data.defense.gov/
    type: Portal
  description: The Department of Defense Data Portal features APIs enabling access to DoD open data across military branches,
    agencies, and programs. The portal surfaces selected APIs from the DoD's data strategy initiative to make defense data
    more accessible through reusable APIs.
- aid: us-department-of-defense:dod-open-data
  name: DoD Open Data Platform
  tags:
  - Open Data
  - Defense
  - Datasets
  - Federal Government
  humanURL: https://www.data.mil/
  properties:
  - url: https://www.data.mil/
    type: Portal
  description: The Department of Defense Open Data Platform (data.mil) provides access to unclassified DoD datasets and data
    services supporting defense research, policy analysis, and public accountability.
- aid: us-department-of-defense:us-department-of-defense-catalog-api
  name: US Department of Defense Catalog API
  description: Data catalog and discovery
  humanURL: https://cwms-data.usace.army.mil/cwms-data/
  tags:
  - Catalog
  properties:
  - type: OpenAPI
    url: openapi/us-department-of-defense-catalog-api-openapi.yml
  - type: Documentation
    url: https://cwms-data.usace.army.mil/cwms-data/
  - type: SwaggerUI
    url: https://cwms-data.usace.army.mil/cwms-data/swagger-ui.html
  - type: Documentation
    url: https://cwms-data-api.readthedocs.io/latest/
  - type: GitHub
    url: https://github.com/USACE/cwms-data-api
- aid: us-department-of-defense:us-department-of-defense-levels-api
  name: US Department of Defense Levels API
  description: Location levels and pool data
  humanURL: https://cwms-data.usace.army.mil/cwms-data/
  tags:
  - Levels
  properties:
  - type: OpenAPI
    url: openapi/us-department-of-defense-levels-api-openapi.yml
  - type: Documentation
    url: https://cwms-data.usace.army.mil/cwms-data/
  - type: SwaggerUI
    url: https://cwms-data.usace.army.mil/cwms-data/swagger-ui.html
  - type: Documentation
    url: https://cwms-data-api.readthedocs.io/latest/
  - type: GitHub
    url: https://github.com/USACE/cwms-data-api
- aid: us-department-of-defense:us-department-of-defense-locations-api
  name: US Department of Defense Locations API
  description: CWMS monitoring locations and metadata
  humanURL: https://cwms-data.usace.army.mil/cwms-data/
  tags:
  - Locations
  properties:
  - type: OpenAPI
    url: openapi/us-department-of-defense-locations-api-openapi.yml
  - type: Documentation
    url: https://cwms-data.usace.army.mil/cwms-data/
  - type: SwaggerUI
    url: https://cwms-data.usace.army.mil/cwms-data/swagger-ui.html
  - type: Documentation
    url: https://cwms-data-api.readthedocs.io/latest/
  - type: GitHub
    url: https://github.com/USACE/cwms-data-api
- aid: us-department-of-defense:us-department-of-defense-measurements-api
  name: US Department of Defense Measurements API
  description: Field measurements and observations
  humanURL: https://cwms-data.usace.army.mil/cwms-data/
  tags:
  - Measurements
  properties:
  - type: OpenAPI
    url: openapi/us-department-of-defense-measurements-api-openapi.yml
  - type: Documentation
    url: https://cwms-data.usace.army.mil/cwms-data/
  - type: SwaggerUI
    url: https://cwms-data.usace.army.mil/cwms-data/swagger-ui.html
  - type: Documentation
    url: https://cwms-data-api.readthedocs.io/latest/
  - type: GitHub
    url: https://github.com/USACE/cwms-data-api
- aid: us-department-of-defense:us-department-of-defense-offices-api
  name: US Department of Defense Offices API
  description: USACE district offices
  humanURL: https://cwms-data.usace.army.mil/cwms-data/
  tags:
  - Offices
  properties:
  - type: OpenAPI
    url: openapi/us-department-of-defense-offices-api-openapi.yml
  - type: Documentation
    url: https://cwms-data.usace.army.mil/cwms-data/
  - type: SwaggerUI
    url: https://cwms-data.usace.army.mil/cwms-data/swagger-ui.html
  - type: Documentation
    url: https://cwms-data-api.readthedocs.io/latest/
  - type: GitHub
    url: https://github.com/USACE/cwms-data-api
- aid: us-department-of-defense:us-department-of-defense-projects-api
  name: US Department of Defense Projects API
  description: USACE projects and reservoirs
  humanURL: https://cwms-data.usace.army.mil/cwms-data/
  tags:
  - Projects
  properties:
  - type: OpenAPI
    url: openapi/us-department-of-defense-projects-api-openapi.yml
  - type: Documentation
    url: https://cwms-data.usace.army.mil/cwms-data/
  - type: SwaggerUI
    url: https://cwms-data.usace.army.mil/cwms-data/swagger-ui.html
  - type: Documentation
    url: https://cwms-data-api.readthedocs.io/latest/
  - type: GitHub
    url: https://github.com/USACE/cwms-data-api
- aid: us-department-of-defense:us-department-of-defense-ratings-api
  name: US Department of Defense Ratings API
  description: Rating curves and tables
  humanURL: https://cwms-data.usace.army.mil/cwms-data/
  tags:
  - Ratings
  properties:
  - type: OpenAPI
    url: openapi/us-department-of-defense-ratings-api-openapi.yml
  - type: Documentation
    url: https://cwms-data.usace.army.mil/cwms-data/
  - type: SwaggerUI
    url: https://cwms-data.usace.army.mil/cwms-data/swagger-ui.html
  - type: Documentation
    url: https://cwms-data-api.readthedocs.io/latest/
  - type: GitHub
    url: https://github.com/USACE/cwms-data-api
- aid: us-department-of-defense:us-department-of-defense-time-series-api
  name: US Department of Defense Time Series API
  description: Time series data retrieval and management
  humanURL: https://cwms-data.usace.army.mil/cwms-data/
  tags:
  - Time Series
  properties:
  - type: OpenAPI
    url: openapi/us-department-of-defense-time-series-api-openapi.yml
  - type: Documentation
    url: https://cwms-data.usace.army.mil/cwms-data/
  - type: SwaggerUI
    url: https://cwms-data.usace.army.mil/cwms-data/swagger-ui.html
  - type: Documentation
    url: https://cwms-data-api.readthedocs.io/latest/
  - type: GitHub
    url: https://github.com/USACE/cwms-data-api
name: US Department of Defense
tags:
- Federal Government
- Defense
- Military
- Water Management
- Waterways
- Open Data
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-department-of-defense.png
access: 3rd-Party
created: '2024-12-03'
modified: '2026-05-19'
position: Consuming
description: The US Department of Defense is responsible for providing the military forces needed to deter war and protect
  the security of the United States. This includes overseeing the Army, Navy, Marine Corps, and Air Force, as well as coordinating
  with other defense agencies and organizations. The Department of Defense also plays a critical role in developing military
  strategies, acquiring and maintaining weapons and equipment, and ensuring the readiness and effectiveness of the armed forces.
  The DoD's data strategy initiatives have led to the publication of multiple public APIs including the USACE Corps Water
  Management System API, Lock Performance Monitoring System, and the DoD open data portal.
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
specificationVersion: '0.19'

US Department of Defense

APIs 11

Open Collections 1

Pricing Plans 1

Rate Limits 1

FinOps 1

Semantic Vocabularies 1

Spectral Rules 2

JSON Schema 1

JSON Structure 1

Examples 1

Security Posture 1

Agentic Access 1

Agent Surfaces 1

Access & Security 1

Company 1

Source (apis.yml)