Merchant APP ID (Alphanumeric - Length of 32 chars and special chars $@%#)

Merchant APP KEY (Alphanumeric - Length of 32 chars and special chars $@%#)

EPI is an end point identifier, Identify the device on valor infrastructure, it's a 10 digit number starts with 2

Transaction type always should be set as 'closedbatch'

Merchant store Id (Max length of chars 11)

Batch number of the open batch details (Numeric - Ex: 54876)

If the merchant has multi-MIDs, they need to send both the child EPI and the parent EPI in the EPI request