United States Army Corps of Engineers

United States Army Corps of Engineers Version API

API version information

Documentation GitHub OpenAPI

Operations 2

GET / Get API Root #

GET /version Get API Version #

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this

find_apisBrowse and filter every API in the catalog.
get_api_artifactsOne API's artifacts, grouped by type.
get_openapiThe primary OpenAPI for this API.
find_similar_apisAPIs that look like this one.
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.

All 92 tools →

Call it yourself

curl for this page

This API

curl "https://apis.io/api/v1/apis/united-states-army-corps-of-engineers-version-api"

All apis

curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

openapi: 3.2.0
info:
  title: CWMS Data Basins Version API
  description: The Corps Water Management System (CWMS) Data API provides a RESTful interface for accessing water management data from the U.S. Army Corps of Engineers. This includes time series data, locations, levels, ratings, forecasts, projects, turbines, gates, and water supply information for USACE-managed water resources across the United States.
  version: 3.0.0
  contact:
    name: USACE CWMS Data API Support
    url: https://github.com/USACE/cwms-data-api
  license:
    name: MIT
    url: https://github.com/USACE/cwms-data-api/blob/develop/LICENSE.md
  x-tags:
  - Water Management
  - Federal Government
  - Hydrology
  - Engineering
servers:
- url: https://cwms-data.usace.army.mil/cwms-data
  description: Production CWMS Data API
- url: https://water.usace.army.mil/cwms-data
  description: Water Data Platform
tags:
- name: Version
  description: API version information
paths:
  /:
    get:
      operationId: getApiRoot
      summary: Get API Root
      description: Returns a welcome message confirming the API is available.
      tags:
      - Version
      responses:
        '200':
          description: API root welcome message
          content:
            text/plain:
              schema:
                type: string
  /version:
    get:
      operationId: getVersion
      summary: Get API Version
      description: Returns the current version of the CWMS Data API.
      tags:
      - Version
      responses:
        '200':
          description: API version information
          content:
            application/json:
              schema:
                type: object
                properties:
                  version:
                    type: string
                    description: The API version string
components:
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      description: JWT Bearer token for authenticated operations (create, update, delete). Obtain a token from the CWMS authorization endpoint.

United States Army Corps of Engineers Version API

Operations 2

Documentation

Specifications

SDKs

Other Resources