The Maps Vector web services suite offers the following APIs:

Tile

TomTom's global digital map content comprises a large volume of data, and to efficiently transmit map images for display over the internet simultaneously to multiple users.

The data are divided in to gridded sections called tiles.

• The tiles are rendered at various sizes and available at 23 different zoom levels, ranging from 0 to 22.
• For zoom level 0, the entire earth is displayed on one single tile, while at zoom level 22, the world is divided into 2⁴⁴ tiles.