NASA CMR Capabilities API

openapi: 3.2.0
info:
  title: CMR Search Capabilities API
  version: 1.0.0
  description: CMR Search API
servers:
- url: https://cmr.earthdata.nasa.gov/search
tags:
- name: Capabilities
  description: essential characteristics of this API
paths:
  /:
    get:
      tags:
      - Capabilities
      summary: landing page
      description: The root landing page displays all available provider catalogs in CMR-STAC.
      operationId: getProviders
      responses:
        '200':
          $ref: '#/components/responses/LandingPage'
        '500':
          $ref: '#/components/responses/ServerError'
  /docs:
    get:
      tags:
      - Capabilities
      summary: information about specifications that this API conforms to
      description: "A list of all conformance classes specified in a standard that the \nserver conforms to."
      operationId: getConformanceDeclaration
      responses:
        '200':
          $ref: '#/components/responses/ConformanceDeclaration'
        '500':
          $ref: '#/components/responses/ServerError'
  /{providerId}:
    get:
      tags:
      - Capabilities
      summary: "A provider catalog that contains a STAC search endpoint as well as a collections \nendpoint for crawling through collections and items in the browser"
      operationId: getProvider
      responses:
        '200':
          $ref: '#/components/responses/Collection'
        '500':
          $ref: '#/components/responses/ServerError'
  /{providerId}/collections:
    get:
      tags:
      - Capabilities
      summary: Display all feature collections under provider `providerId`
      operationId: getCollections
      parameters:
      - $ref: '#/components/parameters/providerId'
      - $ref: '#/components/parameters/collections'
      responses:
        '200':
          $ref: '#/components/responses/Collections'
        '404':
          $ref: '#/components/responses/NotFound'
        '500':
          $ref: '#/components/responses/ServerError'
  /{providerId}/collections/{collectionId}:
    get:
      tags:
      - Capabilities
      summary: describe the feature collection with id `collectionId`
      operationId: describeCollection
      parameters:
      - $ref: '#/components/parameters/providerId'
      - $ref: '#/components/parameters/collectionId'
      responses:
        '200':
          $ref: '#/components/responses/Collection'
        '404':
          $ref: '#/components/responses/NotFound'
        '500':
          $ref: '#/components/responses/ServerError'
components:
  parameters:
    collections:
      name: collections
      in: query
      description: 'The collections search parameter is a list of of collection IDs for Items to match.

        Only items that are included in one of these collections will be returned, otherwise

        all collections will be searched.

        '
      required: false
      schema:
        type: array
        minItems: 1
        items:
          type: string
      explode: false
    collectionId:
      name: collectionId
      in: path
      description: local identifier of a collection
      required: true
      schema:
        type: string
    providerId:
      name: providerId
      in: path
      description: local identifier of a provider
      required: true
      schema:
        type: string
  schemas:
    landingPage:
      type: object
      required:
      - links
      properties:
        title:
          type: string
          example: Buildings in Bonn
        description:
          type: string
          example: Access to data about buildings in the city of Bonn via a Web API that conforms to the OGC API Features specification.
        links:
          type: array
          items:
            $ref: '#/components/schemas/link'
    exception:
      type: object
      description: 'Information about the exception: an error code plus an optional description.'
      properties:
        code:
          type: string
        description:
          type: string
      required:
      - code
    collections:
      type: object
      required:
      - links
      - collections
      properties:
        links:
          type: array
          items:
            $ref: '#/components/schemas/link'
        collections:
          type: array
          items:
            $ref: '#/components/schemas/collection'
    collection:
      type: object
      required:
      - id
      - links
      properties:
        id:
          description: identifier of the collection used, for example, in URIs
          type: string
          example: address
        title:
          description: human readable title of the collection
          type: string
          example: address
        description:
          description: a description of the features in the collection
          type: string
          example: An address.
        links:
          type: array
          items:
            $ref: '#/components/schemas/link'
          example:
          - href: http://data.example.com/buildings
            rel: item
          - href: http://example.com/concepts/buildings.html
            rel: describedBy
            type: text/html
        extent:
          $ref: '#/components/schemas/extent'
        itemType:
          description: indicator about the type of the items in the collection (the default value is 'feature').
          type: string
          default: feature
        crs:
          description: the list of coordinate reference systems supported by the service
          type: array
          items:
            type: string
          default:
          - http://www.opengis.net/def/crs/OGC/1.3/CRS84
          example:
          - http://www.opengis.net/def/crs/OGC/1.3/CRS84
          - http://www.opengis.net/def/crs/EPSG/0/4326
    link:
      type: object
      properties:
        href:
          type: string
          example: http://www.geoserver.example/stac/naip/child/catalog.json
          format: url
        rel:
          type: string
          example: child
        type:
          type: string
          example: application/json
        hreflang:
          type: string
          example: en
        title:
          type: string
          example: NAIP Child Catalog
        length:
          type: integer
      title: Link
      description: A generic link.
      required:
      - href
      - rel
    confClasses:
      type: object
      required:
      - conformsTo
      properties:
        conformsTo:
          type: array
          items:
            type: string
    extent:
      type: object
      description: 'The extent of the features in the collection. In the Core only spatial and temporal

        extents are specified. Extensions may add additional members to represent other

        extents, for example, thermal or pressure ranges.'
      properties:
        spatial:
          type: object
          properties:
            bbox:
              description: 'One or more bounding boxes that describe the spatial extent of the dataset.

                In the Core only a single bounding box is supported. Extensions may support

                additional areas. If multiple areas are provided, the union of the bounding

                boxes describes the spatial extent.'
              type: array
              minItems: 1
              items:
                description: 'West, south, east, north edges of the bounding box. The coordinates

                  are in the coordinate reference system specified in `crs`. By default

                  this is WGS 84 longitude/latitude.'
                type: array
                minItems: 4
                maxItems: 6
                items:
                  type: number
                example:
                - -180
                - -90
                - 180
                - 90
            crs:
              description: 'Coordinate reference system of the coordinates in the spatial extent

                (property `bbox`). The default reference system is WGS 84 longitude/latitude.

                In the Core this is the only supported coordinate reference system.

                Extensions may support additional coordinate reference systems and add

                additional enum values.'
              type: string
              enum:
              - http://www.opengis.net/def/crs/OGC/1.3/CRS84
              default: http://www.opengis.net/def/crs/OGC/1.3/CRS84
        temporal:
          description: The temporal extent of the features in the collection.
          type: object
          properties:
            interval:
              description: 'One or more time intervals that describe the temporal extent of the dataset.

                The value `null` is supported and indicates an open time intervall.

                In the Core only a single time interval is supported. Extensions may support

                multiple intervals. If multiple intervals are provided, the union of the

                intervals describes the temporal extent.'
              type: array
              minItems: 1
              items:
                description: 'Begin and end times of the time interval. The timestamps

                  are in the coordinate reference system specified in `trs`. By default

                  this is the Gregorian calendar.'
                type: array
                minItems: 2
                maxItems: 2
                items:
                  type:
                  - string
                  - 'null'
                  format: date-time
                example:
                - '2011-11-11T12:22:11Z'
                - null
            trs:
              description: 'Coordinate reference system of the coordinates in the temporal extent

                (property `interval`). The default reference system is the Gregorian calendar.

                In the Core this is the only supported temporal reference system.

                Extensions may support additional temporal reference systems and add

                additional enum values.'
              type: string
              enum:
              - http://www.opengis.net/def/uom/ISO-8601/0/Gregorian
              default: http://www.opengis.net/def/uom/ISO-8601/0/Gregorian
  responses:
    Collections:
      description: "The feature collections shared by this API.\n\nThe dataset is organized as one or more feature collections. This resource \nprovides information about and access to the collections. \n\nThe response contains the list of collections. For each collection, a link \nto the items in the collection (path `/collections/{collectionId}/items`, \nlink relation `items`) as well as key information about the collection. \nThis information includes:\n\n* A local identifier for the collection that is unique for the dataset;\n* A list of coordinate reference systems (CRS) in which geometries may be returned by the server. The first CRS is the default coordinate reference system (the default is always WGS 84 with axis order longitude/latitude);\n* An optional title and description for the collection;\n* An optional extent that can be used to provide an indication of the spatial and temporal extent of the collection - typically derived from the data;\n* An optional indicator about the type of the items in the collection (the default value, if the indicator is not provided, is 'feature')."
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/collections'
          example:
            links:
            - href: http://data.example.org/collections.json
              rel: self
              type: application/json
              title: this document
            - href: http://data.example.org/collections.html
              rel: alternate
              type: text/html
              title: this document as HTML
            - href: http://schemas.example.org/1.0/buildings.xsd
              rel: describedBy
              type: application/xml
              title: GML application schema for Acme Corporation building data
            - href: http://download.example.org/buildings.gpkg
              rel: enclosure
              type: application/geopackage+sqlite3
              title: Bulk download (GeoPackage)
              length: 472546
            collections:
            - id: buildings
              title: Buildings
              description: Buildings in the city of Bonn.
              extent:
                spatial:
                  bbox:
                  - - 7.01
                    - 50.63
                    - 7.22
                    - 50.78
                temporal:
                  interval:
                  - - '2010-02-15T12:34:56Z'
                    - null
              links:
              - href: http://data.example.org/collections/buildings/items
                rel: items
                type: application/geo+json
                title: Buildings
              - href: http://data.example.org/collections/buildings/items.html
                rel: items
                type: text/html
                title: Buildings
              - href: https://creativecommons.org/publicdomain/zero/1.0/
                rel: license
                type: text/html
                title: CC0-1.0
              - href: https://creativecommons.org/publicdomain/zero/1.0/rdf
                rel: license
                type: application/rdf+xml
                title: CC0-1.0
        text/html:
          schema:
            type: string
    LandingPage:
      description: "The landing page provides links to the API definition \n(link relations `service-desc` and `service-doc`), \nthe Conformance declaration (path `/conformance`, \nlink relation `conformance`), and the Feature \nCollections (path `/collections`, link relation \n`data`)."
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/landingPage'
          example:
            title: Buildings in Bonn
            description: Access to data about buildings in the city of Bonn via a Web API that conforms to the OGC API Features specification.
            links:
            - href: http://data.example.org/
              rel: self
              type: application/json
              title: this document
            - href: http://data.example.org/api
              rel: service-desc
              type: application/vnd.oai.openapi+json;version=3.0
              title: the API definition
            - href: http://data.example.org/api.html
              rel: service-doc
              type: text/html
              title: the API documentation
            - href: http://data.example.org/conformance
              rel: conformance
              type: application/json
              title: OGC API conformance classes implemented by this server
            - href: http://data.example.org/collections
              rel: data
              type: application/json
              title: Information about the feature collections
        text/html:
          schema:
            type: string
    ConformanceDeclaration:
      description: "The URIs of all conformance classes supported by the server.\n\nTo support \"generic\" clients that want to access multiple \nOGC API Features implementations - and not \"just\" a specific \nAPI / server, the server declares the conformance \nclasses it implements and conforms to."
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/confClasses'
          example:
            conformsTo:
            - http://www.opengis.net/spec/ogcapi-features-1/1.0/conf/core
            - http://www.opengis.net/spec/ogcapi-features-1/1.0/conf/oas30
            - http://www.opengis.net/spec/ogcapi-features-1/1.0/conf/html
            - http://www.opengis.net/spec/ogcapi-features-1/1.0/conf/geojson
        text/html:
          schema:
            type: string
    NotFound:
      description: The requested URI was not found.
    Collection:
      description: "Information about the feature collection with id `collectionId`.\n\nThe response contains a linkto the items in the collection \n(path `/collections/{collectionId}/items`,link relation `items`) \nas well as key information about the collection. This information \nincludes:\n\n* A local identifier for the collection that is unique for the dataset;\n* A list of coordinate reference systems (CRS) in which geometries may be returned by the server. The first CRS is the default coordinate reference system (the default is always WGS 84 with axis order longitude/latitude);\n* An optional title and description for the collection;\n* An optional extent that can be used to provide an indication of the spatial and temporal extent of the collection - typically derived from the data;\n* An optional indicator about the type of the items in the collection (the default value, if the indicator is not provided, is 'feature')."
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/collection'
          example:
            id: buildings
            title: Buildings
            description: Buildings in the city of Bonn.
            extent:
              spatial:
                bbox:
                - - 7.01
                  - 50.63
                  - 7.22
                  - 50.78
              temporal:
                interval:
                - - '2010-02-15T12:34:56Z'
                  - null
            links:
            - href: http://data.example.org/collections/buildings/items
              rel: items
              type: application/geo+json
              title: Buildings
            - href: http://data.example.org/collections/buildings/items.html
              rel: items
              type: text/html
              title: Buildings
            - href: https://creativecommons.org/publicdomain/zero/1.0/
              rel: license
              type: text/html
              title: CC0-1.0
            - href: https://creativecommons.org/publicdomain/zero/1.0/rdf
              rel: license
              type: application/rdf+xml
              title: CC0-1.0
        text/html:
          schema:
            type: string
    ServerError:
      description: A server error occurred.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/exception'
        text/html:
          schema:
            type: string