Difference to TMS?
Carto Light / Dark no more "unlimited use permitted"?
The Tiles page says for this tiles "unlimited use permitted"
The Carto base map page says "Additionally you will need a commercial API KEY in case of: 1. You use the basemap service for commercial purposes. ..." ... "Our commercial basemap service starts at $4,800/year"
https://carto.com/location-data-services/basemaps/ --State (talk) 16:12, 5 September 2017 (UTC)