openapi: 3.2.0
info:
  contact:
    name: US Geological Survey - Water Data for the Nation
    url: https://waterdata.usgs.gov
    x-ogc-serviceContact:
      addresses: []
      emails:
      - value: wdfn@usgs.gov
      hoursOfService: pointOfContact
      links:
      - href: https://waterdata.usgs.gov/questions-comments/?referrerUrl=https://api.waterdata.usgs.gov
        type: text/html
      name: WDFN Support
  description: 'The United States Geological Survey (USGS) collects water data at monitoring locations across the United States using both automated sensors and manual data collection. These APIs provide access to that data, alongside metadata about data collections and monitoring locations, in standardized machine-readable formats.

    '
  license:
    name: US Government work in the public domain
    url: https://creativecommons.org/publicdomain/zero/1.0/
  termsOfService: https://creativecommons.org/publicdomain/zero/1.0/
  title: USGS Water Data Server API
  version: 0.71.7
  x-keywords:
  - geospatial
  - data
  - api
  - hydrology
  - USGS
servers:
- description: 'The United States Geological Survey (USGS) collects water data at monitoring locations across the United States using both automated sensors and manual data collection. These APIs provide access to that data, alongside metadata about data collections and monitoring locations, in standardized machine-readable formats.

    '
  url: https://api.waterdata.usgs.gov/ogcapi/v0
tags:
- description: 'The United States Geological Survey (USGS) collects water data at monitoring locations across the United States using both automated sensors and manual data collection. These APIs provide access to that data, alongside metadata about data collections and monitoring locations, in standardized machine-readable formats.

    '
  externalDocs:
    description: information
    url: https://api.waterdata.usgs.gov
  name: server
paths:
  /:
    get:
      description: Landing page
      operationId: getLandingPage
      parameters:
      - $ref: '#/components/parameters/f'
      - $ref: '#/components/parameters/lang'
      responses:
        '200':
          $ref: https://schemas.opengis.net/ogcapi/features/part1/1.0/openapi/ogcapi-features-1.yaml#/components/responses/LandingPage
        '400':
          $ref: https://schemas.opengis.net/ogcapi/features/part1/1.0/openapi/ogcapi-features-1.yaml#/components/responses/InvalidParameter
        '403':
          $ref: '#/components/responses/Forbidden403'
        '429':
          $ref: '#/components/responses/TooManyRequests429'
        '500':
          $ref: https://schemas.opengis.net/ogcapi/features/part1/1.0/openapi/ogcapi-features-1.yaml#/components/responses/ServerError
      summary: Landing page
      tags:
      - server
  /collections:
    get:
      description: Collections
      operationId: getCollections
      parameters:
      - $ref: '#/components/parameters/f'
      - $ref: '#/components/parameters/lang'
      responses:
        '200':
          $ref: https://schemas.opengis.net/ogcapi/features/part1/1.0/openapi/ogcapi-features-1.yaml#/components/responses/LandingPage
        '400':
          $ref: https://schemas.opengis.net/ogcapi/features/part1/1.0/openapi/ogcapi-features-1.yaml#/components/responses/InvalidParameter
        '403':
          $ref: '#/components/responses/Forbidden403'
        '429':
          $ref: '#/components/responses/TooManyRequests429'
        '500':
          $ref: https://schemas.opengis.net/ogcapi/features/part1/1.0/openapi/ogcapi-features-1.yaml#/components/responses/ServerError
      summary: Collections
      tags:
      - server
  /conformance:
    get:
      description: API conformance definition
      operationId: getConformanceDeclaration
      parameters:
      - $ref: '#/components/parameters/f'
      - $ref: '#/components/parameters/lang'
      responses:
        '200':
          $ref: https://schemas.opengis.net/ogcapi/features/part1/1.0/openapi/ogcapi-features-1.yaml#/components/responses/LandingPage
        '400':
          $ref: https://schemas.opengis.net/ogcapi/features/part1/1.0/openapi/ogcapi-features-1.yaml#/components/responses/InvalidParameter
        '403':
          $ref: '#/components/responses/Forbidden403'
        '429':
          $ref: '#/components/responses/TooManyRequests429'
        '500':
          $ref: https://schemas.opengis.net/ogcapi/features/part1/1.0/openapi/ogcapi-features-1.yaml#/components/responses/ServerError
      summary: API conformance definition
      tags:
      - server
  /openapi:
    get:
      description: This document
      operationId: getOpenapi
      parameters:
      - $ref: '#/components/parameters/f'
      - $ref: '#/components/parameters/lang'
      - description: UI to render the OpenAPI document
        explode: false
        in: query
        name: ui
        required: false
        schema:
          default: swagger
          enum:
          - swagger
          - redoc
          type: string
        style: form
      responses:
        '200':
          $ref: '#/components/responses/200'
        '400':
          $ref: https://schemas.opengis.net/ogcapi/features/part1/1.0/openapi/ogcapi-features-1.yaml#/components/responses/InvalidParameter
        '403':
          $ref: '#/components/responses/Forbidden403'
        '429':
          $ref: '#/components/responses/TooManyRequests429'
        default:
          $ref: '#/components/responses/default'
      summary: This document
      tags:
      - server
components:
  responses:
    default:
      content:
        application/json:
          schema:
            $ref: https://schemas.opengis.net/ogcapi/processes/part1/1.0/openapi/schemas/exception.yaml
      description: Unexpected error
    '200':
      description: successful operation
    Forbidden403:
      content:
        application/json:
          examples:
            missingApiKey:
              summary: Missing API Key
              value:
                error:
                  code: API_KEY_MISSING
                  message: No api_key was supplied. Get one at https://api.waterdata.usgs.gov/signup/
          schema:
            $ref: '#/components/schemas/Error'
        application/xml:
          example: "<response>\n      <error>\n        <code>API_KEY_MISSING</code>\n        <message>No api_key was supplied. Get one at https://api.waterdata.usgs.gov/signup/</message>\n      </error>\n    </response>"
          schema:
            properties:
              response:
                properties:
                  error:
                    properties:
                      code:
                        type: string
                      message:
                        type: string
                    required:
                    - code
                    - message
                    type: object
                required:
                - error
                type: object
            type: object
        text/csv:
          examples:
            missingApiKeyCsv:
              summary: Missing API Key (CSV)
              value: 'Error Code,Error Message

                API_KEY_MISSING, No api_key was supplied. Get one at https://api.waterdata.usgs.gov/signup/'
          schema:
            type: string
        text/html:
          examples:
            missingApiKeyHtml:
              summary: Missing API Key (HTML)
              value: "<html>\n      <body>\n        <h1>API_KEY_MISSING</h1>\n        <p>No api_key was supplied. Get one at https://api.waterdata.usgs.gov/signup/</p>\n      </body>\n    </html>"
          schema:
            type: string
      description: Forbidden - API key is missing or not authorized for this resource.
    TooManyRequests429:
      content:
        application/json:
          examples:
            rateLimitExceeded:
              summary: Rate Limit Exceeded
              value:
                error:
                  code: OVER_RATE_LIMIT
                  message: You have exceeded your rate limit. Make sure you provided your API key from https://api.waterdata.usgs.gov/signup/, then either try again later or contact us at https://waterdata.usgs.gov/questions-comments/?referrerUrl=https://api.waterdata.usgs.gov for assistance.
          schema:
            $ref: '#/components/schemas/Error'
        application/xml:
          example: "<response>\n      <error>\n        <code>OVER_RATE_LIMIT</code>\n        <message>You have exceeded your rate limit. Make sure you provided your API key from https://api.waterdata.usgs.gov/signup/, then either try again later or contact us at https://waterdata.usgs.gov/questions-comments/?referrerUrl=https://api.waterdata.usgs.gov for assistance.</message>\n      </error>\n    </response>"
          schema:
            properties:
              response:
                properties:
                  error:
                    properties:
                      code:
                        type: string
                      message:
                        type: string
                    required:
                    - code
                    - message
                    type: object
                required:
                - error
                type: object
            type: object
        text/csv:
          examples:
            rateLimitCsv:
              summary: Rate Limit Exceeded (CSV)
              value: 'Error Code,Error Message

                OVER_RATE_LIMIT,You have exceeded your rate limit. Make sure you provided your API key from https://api.waterdata.usgs.gov/signup/, then either try again later or contact us at https://waterdata.usgs.gov/questions-comments/?referrerUrl=https://api.waterdata.usgs.gov for assistance.'
          schema:
            type: string
        text/html:
          examples:
            rateLimitHtml:
              summary: Rate Limit Exceeded (HTML)
              value: "<html>\n      <body>\n        <h1>OVER_RATE_LIMIT</h1>\n        <p>You have exceeded your rate limit. Make sure you provided your API key from https://api.waterdata.usgs.gov/signup/, then either try again later or contact us at https://waterdata.usgs.gov/questions-comments/?referrerUrl=https://api.waterdata.usgs.gov for assistance.</p>\n      </body>\n    </html>"
          schema:
            type: string
      description: Too Many Requests - Rate limit exceeded.
  parameters:
    f:
      description: The optional f parameter indicates the output format which the server shall provide as part of the response document.  The default format is GeoJSON.  CSV is also available.
      explode: false
      in: query
      name: f
      required: false
      schema:
        default: json
        enum:
        - json
        - html
        - jsonld
        - csv
        type: string
      style: form
    lang:
      description: The optional lang parameter instructs the server return a response in a certain language, if supported.  If the language is not among the available values, the Accept-Language header language will be used if it is supported. If the header is missing, the default server language is used. Note that providers may only support a single language (or often no language at all), that can be different from the server language.  Language strings can be written in a complex (e.g. "fr-CA,fr;q=0.9,en-US;q=0.8,en;q=0.7"), simple (e.g. "de") or locale-like (e.g. "de-CH" or "fr_BE") fashion.
      in: query
      name: lang
      required: false
      schema:
        default: en-US
        enum:
        - en-US
        type: string
  schemas:
    Error:
      properties:
        error:
          properties:
            code:
              description: Error code such as OVER_RATE_LIMIT, see https://api.data.gov/docs/developer-manual/#general-web-service-errors
              type: string
            message:
              description: Error message
              type: string
          required:
          - code
          - message
          type: object
      type: object
  securitySchemes:
    ApiKeyHeader:
      description: Providing your API key gives you higher rate limits when querying our APIs. You can obtain an API key at https://api.waterdata.usgs.gov/signup
      in: header
      name: api_key
      type: apiKey
    ApiKeyQuery:
      description: Providing your API key gives you higher rate limits when querying our APIs. You can obtain an API key at https://api.waterdata.usgs.gov/signup
      in: query
      name: api_key
      type: apiKey