How to add WMTS to ArcGIS Online
- Copy WMTS link from Pointscene
- In ArcGIS Online open Map
- Click Add –> Add layer from Web
- Select A WMTS OGC Web service
- Paste link into the box
- Click Get layers ja chose layers (repeat adding the link if you need multiple layers)
- Click Add layer
You can use WMS or WMTS, depending on your needs.
+ WMTS/WMS works in ArcGIS Pro too!
(Insert –> Connections –> WMTS)
Instructions: https://pro.arcgis.com/en/pro-app/help/data/services/add-wmts-services.htm