Mastercard has launched a set of three open banking APIs for US issuers of its consumer and small business debit cards and consumer prepaid cards free of charge when used to support digital account opening. Current debit and prepaid account opening processes typically require a consumer to manually enter bank account and routing numbers, or work through a multiday micro-deposit verification process to connect to an external bank account. Mastercard’s service combines consumer-permissioned data with machine learning to support the account opening process. The APIs include account own...