Request Municipal Data or API Key in Longueuil

Technology and Data Quebec 3 Minutes Read · published May 24, 2026 Flag of Quebec

Longueuil, Quebec operates an open data service that lets residents, researchers and developers request datasets and API access for municipal information. This guide explains who to contact, what to include in a request, how keys and access are issued, and the compliance and appeal pathways relevant to municipal bylaws and data governance in Longueuil.

You can request datasets directly from Longueuil's open data portal.

What the city provides and who handles requests

The Service des technologies de l'information or the municipal open data team usually manages datasets and API keys. For published datasets and API documentation consult the city portal and the provincial open data aggregator for Longueuil to identify existing endpoints and publisher metadata: Ville de Longueuil - Donnees ouvertes[1] and Donnees Que9bec - recherche Ville de Longueuil[2].

How to prepare a request

  • Describe the dataset or API endpoint you need and include dataset identifiers if known.
  • Provide a contact name, affiliation, and intended use (research, commercial, civic tech).
  • Specify any deadlines or delivery format required (CSV, GeoJSON, API access).
  • Attach proof of any legal authorizations if the request involves restricted or personal data.

Penalties & Enforcement

Municipal control of data access and misuse is governed by city policies and applicable bylaws or administrative rules enforced by the Service des technologies de l'information together with By-law Enforcement when a regulatory breach overlaps with other municipal rules. Specific monetary fines and schedules for unauthorized use of municipal data or misuse of API credentials are not specified on the cited pages and must be confirmed with the enforcing department.[1]

  • Fine amounts: not specified on the cited page.
  • Escalation: first, repeat, or continuing offences: not specified on the cited page.
  • Non-monetary sanctions: administrative suspension of API keys, removal of access, orders to cease distribution, or referral to municipal court.
  • Enforcer and complaints: Service des technologies de l'information and By-law Enforcement; use the city's contact pages to file complaints or report misuse.
  • Appeal/review routes and time limits: not specified on the cited page; contact the enforcing department for appeal deadlines.
  • Defences and discretion: administrative exceptions, permitted research use, or approved agreements may apply; details are set by the issuing authority.
Most data-access issues are resolved administratively through the IT service.

Applications & Forms

Some municipalities publish a dedicated API key request form or a dataset access request workflow on their open data portal. For Longueuil, a specific downloadable form or fee schedule for API keys is not published on the cited city pages; requesters should submit a written request to the data services contact or use any portal request workflow if present.[1]

How access decisions are made

Decisions typically consider privacy, commercial use restrictions, technical capacity, and compatibility with open-data licensing. The city may require a data-sharing agreement for sensitive or high-volume API use.

Action steps

  • Locate the dataset or API documentation on the municipal open data portal and note dataset identifiers.
  • Contact the Service des technologies de l'information with a clear purpose, contact details, and technical needs.
  • Ask about fees, deadlines, and any required agreements before using data.
  • Keep records of the request and any issued API key or agreement to support compliance and appeals.

FAQ

Who issues API keys for Longueuil data?
The municipal Service des technologies de l'information or the open data team issues API keys and manages access for published city datasets.
Is there a fee to request a dataset or API key?
Any fees or charges are not specified on the cited pages; contact the city data team for confirmation.[1]
How long does approval take?
Processing times vary by request complexity and are not specified on the cited pages; requesters should state deadlines when they apply.

How-To

  1. Identify the dataset or API you need on the Longueuil open data portal and copy the dataset identifier or endpoint URL.
  2. Prepare a request including purpose of use, contact information, technical needs, and any deadlines.
  3. Submit the request via the portal or by emailing the Service des technologies de l'information; include links to relevant datasets.
  4. If granted access, follow any usage terms, store the API key securely, and comply with reporting or attribution requirements.
  5. If access is denied, request reasons in writing and follow the city's appeal or review instructions provided by the enforcing department.
Record your API key and permissions securely.

Key Takeaways

  • Start at the municipal open data portal to find published datasets and API documentation.
  • Contact the Service des technologies de l'information for requests, clarifications, and appeals.
  • Keep records and ask about fees or agreements before using restricted or high-volume data.

Help and Support / Resources

  1. [1] Ville de Longueuil - Donnees ouvertes
  2. [2] Donnees Que9bec - recherche Ville de Longueuil

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