Parameter	Type	Description
requestId*	String	The requestId is required on almost all calls. It can be generated via the Generate Request ID endpoint. Each request requires a new request ID in order to reject duplicate requests.
sessionId	String	If you are tracking requests on your end, you can write the sessionId here. Values passed in here will be stored with any payers/payments made on the resulting API page and can be queried.
customerId	String	Another field available for your reference. Values passed in here will be stored with any payers/payments made on the resulting API page and can be queried.

"token": {
    "requestId": "1e6bdb34-3ef4-4005-aeaa-b31e2xxxxxxx",
    "sessionId": "154321",
    "customerId": "66"
  }