Request payload

{
  "tx": <Transaction>,
  
  // customer may select Cash payment instead of Card
  "customerCashOption": false,
  
  // customer may enter card details manually
  "customerManualEntryOption": false,
  
  // customer may cancel the payment
  "customerCancelOption": false,
  
  // customer will be prompted to enter tips
  "customerTips": false,
  
  // PIN Pad will send transient responses (e.g. Payment State)
  "transientResponses": false
}