A unique identifier for the request, used for idempotency. This ensures that repeated requests with the same “requestId” are not processed multiple times. Example: “e0b9f8d0-7a57-4a67-a8b2-4d7c7b5a37c9”
The unique account number of the user or entity for which the request is made. This parameter is used to identify the relevant account. Example: 5118745523