Change Log

Change log for the OS APIs documentation site.

This page lists changes made to OS APIs documentation. These changes may reflect alterations to the APIs themselves or improvements to the documentation to aid understanding.

The table below summarises the changes made to OS APIs documentation and the dates on which those changes took effect:

Date the Change Took Place	Notes About the Change(s) Made
17/07/2026	New tutorial video added to the Getting started with an API project page. The video covers how to find out what OS APIs you have access to; create a new API project; find an API Key, API secret and API endpoint address; regenerate an API Key; remove an API from a project; delete an API project, and monitor API usage. Existing step-by-step instructions checked and updated throughout the page. New sections added to the page for: Tips for API best practice Finding out what OS APIs you have access to Monitoring API usage
08/05/2026	New tutorial video added to the QGIS Getting Started page for OS NGD API – Features. The video covers how to connect to OS NGD API – Features using QGIS.
April 2026	OS NGD API – Features and OS NGD API – Tiles documentation transferred to the OS API Documentation platform and change log created.
31/03/2026	Match & Cleanse API documentation updated to indicate it has reached its end of life date and been withdrawn from use. OS Vector Tile API and OS Features API updated to indicate OS MasterMap Water Network Layer has reached its end of life date and is no longer available for use.
26/03/2026	Existing pages amended with information about the March 2026 OS NGD data enhancements release: Updates included changes to OS NGD API – Features – What data is available? and OS NGD API – Features.
11/02/2026	End of Life information for OS MasterMap Greenspace layer added to OS Vector Tile API and OS Features API pages.
12/11/2025	Accessibility improvements made across the site.
22/10/2025	Planned maintenance page added to Service Status section of the site.
25/09/2025	Existing pages amended with information about the September 2025 OS NGD data enhancements: Updates made to OS NGD API – Features – What data is available? and OS NGD API – Tiles – What data is available?
01/09/2025	End of life notices for OS MasterMap Water Network Layer and OS Detailed Path Network added to OS Vector Tile API and OS Features API pages.
12/06/2025	OS Net API documentation added to the site.
27/03/2025	Existing pages amended with information about the March 2025 OS NGD data enhancements: Updates made to OS NGD API – Features – What data is available?
24/02/2025	End of Life information added for OS Match & Cleanse API.
03/01/2025	Getting Started Guides for multiple APIs updated.
27/06/2024	Product Archive documentation added to OS Features API.
30/04/2024	OS Downloads API pages updated with OpenAPI documentation.
26/04/2024	OS API documentation for multiple products added to the OS APIs Documentation platform.
29/09/2022	OS NGD official launch to customers.