post https://api.postgrid.com/v1/boxes
This endpoint allows you to create a box containing up to 100 cheques. A Box is mailed to a single destination.
To create a box. You must specify:
to: The recipient (contact or contact ID)from: The sender (contact or contact ID)cheques: An array of cheques to go in the box
For each cheque You must specify:
to: The recipient (contact or contact ID)from: The sender (contact or contact ID)bankAccount: The bank account IDamount: The amount to be sentnumber: The cheque number
