In Bloxburg, the taxi cap is the Taxi Driver Hat , and you usually get it by reaching Level 5 in the Taxi Driver job. It can then be found in Build Mode under Decorations/Clutter , where you can place it and interact with it to wear it.

How to get it

  1. Work the Taxi Driver job until you hit Level 5.
  1. Open Build Mode.
  1. Go to Decorations/Clutter and buy the Taxi Driver Hat for $250.
  1. Place it in your build, then interact with it to put it on.

Quick note

If you meant a different “taxi cap” item, the name in Bloxburg’s item listing is Taxi Driver Hat , not just “taxi cap.”