Landgate Datasets API

openapi: 3.2.0
info:
  title: Data WA CKAN Action API (operated by Landgate) Datasets API
  version: '3'
  summary: OpenAPI description of the anonymously callable CKAN Action API behind data.wa.gov.au, the WA whole-of-government open data catalogue Landgate operates.
  description: 'Landgate leads implementation of the WA Whole of Government Open Data Policy and operates

    data.wa.gov.au.'
  contact:
    name: Landgate Customer Service
    url: https://www.landgate.wa.gov.au/help-centre/
  license:
    name: Per-dataset; see each package's license_id
    url: https://catalogue.data.wa.gov.au/api/3/action/license_list
servers:
- url: https://catalogue.data.wa.gov.au
  description: Data WA CKAN catalogue
tags:
- name: Datasets
  description: Dataset (package) discovery and retrieval
paths:
  /api/3/action/package_list:
    get:
      operationId: ckanPackageList
      tags:
      - Datasets
      summary: List every dataset name in the catalogue
      x-evidence:
        url: https://catalogue.data.wa.gov.au/api/3/action/package_list
        status: 200
        probed: '2026-07-26'
      parameters:
      - name: limit
        in: query
        schema:
          type: integer
      - name: offset
        in: query
        schema:
          type: integer
      responses:
        '200':
          description: Envelope whose result is an array of dataset names
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Envelope'
  /api/3/action/package_search:
    get:
      operationId: ckanPackageSearch
      tags:
      - Datasets
      summary: Search datasets (Solr query surface)
      description: 'The primary discovery operation. Accepts a subset of Solr parameters. Filter to

        Landgate''s own datasets with `fq=organization:landgate` (395 datasets on 2026-07-26).'
      x-evidence:
      - url: https://catalogue.data.wa.gov.au/api/3/action/package_search?rows=1
        status: 200
        probed: '2026-07-26'
      - url: https://catalogue.data.wa.gov.au/api/3/action/package_search?fq=organization:landgate&rows=0
        status: 200
        probed: '2026-07-26'
        sample: '{"count":395}'
      parameters:
      - name: q
        in: query
        description: Solr query. Default `*:*`.
        schema:
          type: string
      - name: fq
        in: query
        description: Filter query, e.g. `organization:landgate` or `res_format:CSV`.
        schema:
          type: string
      - name: rows
        in: query
        description: Page size. Default 10; upper limit 1000.
        schema:
          type: integer
          default: 10
          maximum: 1000
      - name: start
        in: query
        description: Pagination offset.
        schema:
          type: integer
          default: 0
      - name: sort
        in: query
        schema:
          type: string
      - name: facet.field
        in: query
        schema:
          type: string
      - name: include_private
        in: query
        schema:
          type: boolean
      responses:
        '200':
          description: Envelope whose result has count, results[] and search_facets
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SearchEnvelope'
  /api/3/action/package_show:
    get:
      operationId: ckanPackageShow
      tags:
      - Datasets
      summary: Get one dataset with its resources
      x-evidence:
        url: https://catalogue.data.wa.gov.au/api/3/action/package_show?id=1-10-000-000-large-igneous-provinces-dmirs-081
        status: 200
        probed: '2026-07-26'
      parameters:
      - name: id
        in: query
        required: true
        description: Dataset name or id.
        schema:
          type: string
      responses:
        '200':
          description: Envelope whose result is a Package
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Envelope'
        '409':
          description: Validation Error when `id` is missing
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorEnvelope'
  /api/3/action/current_package_list_with_resources:
    get:
      operationId: ckanCurrentPackageListWithResources
      tags:
      - Datasets
      summary: List recent datasets with their resources
      x-evidence:
        url: https://catalogue.data.wa.gov.au/api/3/action/current_package_list_with_resources?limit=1
        status: 200
        probed: '2026-07-26'
      parameters:
      - name: limit
        in: query
        schema:
          type: integer
      - name: offset
        in: query
        schema:
          type: integer
      responses:
        '200':
          description: Envelope whose result is an array of packages
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Envelope'
components:
  schemas:
    Package:
      type: object
      description: A CKAN dataset. Fields observed on this deployment.
      properties:
        id:
          type: string
        name:
          type: string
        title:
          type: string
        notes:
          type: string
        access_level:
          type: string
        author:
          type: string
        author_email:
          type: string
        license_id:
          type: string
        metadata_created:
          type: string
        metadata_modified:
          type: string
        organization:
          $ref: '#/components/schemas/Organization'
        tags:
          type: array
          items:
            type: object
        resources:
          type: array
          items:
            $ref: '#/components/schemas/Resource'
    ErrorEnvelope:
      type: object
      description: CKAN error envelope (observed on HTTP 409 validation errors).
      properties:
        help:
          type: string
          format: uri
        success:
          type: boolean
          const: false
        error:
          type: object
          properties:
            __type:
              type: string
              examples:
              - Validation Error
              - Not Found Error
              - Authorization Error
    Envelope:
      type: object
      description: Standard CKAN response envelope.
      required:
      - help
      - success
      properties:
        help:
          type: string
          format: uri
        success:
          type: boolean
        result: {}
    Organization:
      type: object
      properties:
        id:
          type: string
        name:
          type: string
        title:
          type: string
        description:
          type: string
        package_count:
          type: integer
    Resource:
      type: object
      properties:
        id:
          type: string
        package_id:
          type: string
        name:
          type: string
        url:
          type: string
          format: uri
        format:
          type: string
        description:
          type: string
    SearchEnvelope:
      allOf:
      - $ref: '#/components/schemas/Envelope'
      - type: object
        properties:
          result:
            type: object
            properties:
              count:
                type: integer
              sort:
                type: string
              results:
                type: array
                items:
                  $ref: '#/components/schemas/Package'
              search_facets:
                type: object
x-generated-by: API Evangelist enrichment pipeline
x-generated: '2026-07-26'
x-method: generated
x-source: live probes of https://catalogue.data.wa.gov.au/api/3/action
x-authentication: none for read actions (write actions require a CKAN API key not issued publicly)