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APDS Releases Version 4.0 of International Data Specification for Parking

June 7, 2022

APDS Version 4.0 is now available for download.    

Request the release here. 

This updated version covers the data related to Place, Right, Rate, Quote, Occupancy, Session, and Observation. The APDS version 4.0 release includes:

  • Overview

  • Information Model

  • Data Dictionary

  • Use Case

In addition to the candidate release, APDS has created the guideline on how to use the specification with common messaging formats.


For more information, visit or contact


About the Alliance for Parking Data Standards

The Alliance for Parking Data Standards (APDS) is a not-for-profit organization with the mission to develop, promote, manage, and maintain a uniform global specification that will allow organizations to share parking data across platforms worldwide. APDS was founded in 2018 by the International Parking & Mobility Institute (IPMI), the British Parking Association (BPA), and the European Parking Association (EPA).


APDS is establishing a common language for data elements and definitions in the parking, transportation, and mobility sectors that will facilitate seamless integration, compatibility, and communication between all stakeholders including parking entities, the automotive industry, IT developers, map and app providers.


APDS is generously supported by our Champion Sponsors, Advocate Sponsors, Affiliates, Supporters, and volunteers who

contributed to this candidate version of the data specification.

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