How to add WMTS to ArcGIS Online

  1. Copy WMTS link from Pointscene
  2. In ArcGIS Online open Map
  3. Click Add –> Add layer from Web
  4. Select A WMTS OGC Web service
  5. Paste link into the box
  6. Click Get layers ja chose layers (repeat adding the link if you need multiple layers)
  7. Click Add layer

You can use WMS or WMTS, depending on your needs.

+ WMTS/WMS works in ArcGIS Pro too!
(Insert –> Connections –> WMTS)