ESRI ArcMap
Accessing OS Maps API via ESRI ArcMap
ArcMap is a geographic information system (GIS) application that is part of Esri's ArcGIS suite of geospatial software. It is used primarily to view, edit, create, and analyse geospatial data.
What you need
OS Maps API added to an API project in the OS Data Hub with an API Key; see Getting started with an API project for more information
ESRI ArcMap version 10.5 or later
Instructions
Set up a connection
Once a new project has been set up, open the Catalog window > GIS Servers > WMTS Server.

Add OS Map s API
In the Add WMTS Server dialog:
URL: Copy your full OS Maps API WMTS endpoint address from the OS Data Hub and paste it into this field.
Other fields: Leave these as they are. No other information is required.
Click _OK.

OS Maps API on api.os.uk will now display in the list of GIS servers in the Catalog window.

Adding layers to the map
Click the Add Data button

In the Add Data dialog:
Browse to the folder where the OS Maps API is located.
Select your preferred data layer.
Click _Add.

_The layer will then display in the map area:

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