Provides bank slip API interfaces.
You can:
QI Tech API reference
Retrieve a copy of the bank slip
Retrieve a bank slip
iex> QITech.API.BankSlip.post("cddd68af-a7e4-4abc-84f2-04ab27b1d9b1", %{})
iex> QITech.API.BankSlip.get("cddd68af-a7e4-4abc-84f2-04ab27b1d9b1")