aid: donnees-montreal-ca
name: Donnees Ouvertes Montreal
description: >-
  Donnees Ouvertes Montreal is a municipal government open-data portal for Canada running CKAN.
  It exposes the CKAN catalog API, a standardized machine-readable interface over approximately 401 datasets,
  supporting programmatic dataset search, metadata retrieval, and resource access. Because it runs CKAN, it shares a
  consistent API surface with every other CKAN portal, making it uniformly harvestable and integrable.
kind: government
image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
url: https://raw.githubusercontent.com/api-evangelist/donnees-montreal-ca/refs/heads/main/apis.yml
tags:
  - Open Data
  - CKAN
  - Data Catalog
  - DCAT
  - Government Data
  - Municipal Government
  - Canada
created: '2026-06-04'
modified: '2026-06-04'
specificationVersion: '0.19'
apis:
  - aid: donnees-montreal-ca:catalog
    name: Donnees Ouvertes Montreal CKAN Action API
    description: >-
      CKAN Action API for Donnees Ouvertes Montreal, a consistent JSON-over-HTTP interface over a catalog of 401 datasets. Standard actions include package_search, package_show, package_list, organization_list, group_list, tag_list, and resource_search; datastore_search is available where the DataStore extension is enabled. Base URL https://donnees.montreal.ca/api/3/action/.
    humanURL: https://donnees.montreal.ca
    baseURL: https://donnees.montreal.ca/api/3/action
    tags:
      - CKAN
      - Action API
      - Open Data
      - Catalog
      - REST
      - JSON
    properties:
      - type: Documentation
        url: https://docs.ckan.org/en/latest/api/
      - type: Website
        url: https://donnees.montreal.ca
      - type: x-api-endpoint
        url: https://donnees.montreal.ca/api/3/action/status_show
common:
  - type: Website
    url: https://donnees.montreal.ca
  - type: Documentation
    url: https://docs.ckan.org/en/latest/api/
  - type: Plans
    url: plans/donnees-montreal-ca-plans-pricing.yml
  - type: RateLimits
    url: rate-limits/donnees-montreal-ca-rate-limits.yml
  - type: FinOps
    url: finops/donnees-montreal-ca-finops.yml
  - type: Review
    url: review.yml
maintainers:
  - FN: Kin Lane
    email: kin@apievangelist.com