Computer implemented method and system for processing a bulk checkout

A data processing system comprising a processor configured to perform the steps of:

• preparing, by a Merchant, an array of User identifiers (ID's) to be used for payment authorisation,
• sending, by the Merchant, the array of User ID's to a Financial Institution with the request to provide a payment authorisation for each of the User ID's in the array,
• receiving, by the Financial Institution, the array of User ID's and the request for payment authorisation,
• assessing, by the Financial Institution, for each of the User ID's in the array whether a payment authorisation can be provided,
• sending, by the Merchant, a request to receive the result of the payment authorisation assessment for the related array of User ID's, and
• sending, by the Financial Institution, the result of the payment authorisation assessment to the Merchant, in an array.

A computer-readable storage medium comprising instructions which, when executed by a computer, cause the computer to carry out the steps of:

• preparing, by a Merchant, an array of User identifiers (ID's) to be used for payment authorisation,
• sending, by the Merchant, the array of User ID's to a Financial Institution with the request to provide a payment authorisation for each of the User ID's in the array,
• receiving, by the Financial Institution, the array of User ID's and the request for payment authorisation,
• assessing, by the Financial Institution, for each of the User ID's in the array whether a payment authorisation can be provided,
• sending, by the Merchant, a request to receive the result of the payment authorisation assessment for the related array of User ID's, and
• sending, by the Financial Institution, the result of the payment authorisation assessment to the Merchant, in an array.