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Legacy Platforms » Helcim Virtual Terminal » Helcim Gateway API » Request Variables »

Minimum Required

Name Type Description
merchantId numeric Your merchant id; must not include any spaces or special characters.
token alpha Your Gateway token (generated within the Gateway Administration Tool).
type alpha Type of transaction to be processed. Must be either:

"purchase", "preauth", "capture", "refund" or "void".
amount 10,2/decimal Amount to process. Must include two decimal places, and must NOT include $.
cardNumber 16/numeric Credit card number; must not include any spaces or special characters.
expiryDate 4/numeric Credit card expiry date in the form of MMYY. With leading zeroes if the month or year is only one digit.
cvvIndicator 1/numeric CVV2 presence indicator. Must be either:

"1" (present), "2" (not visible), "3" (not present) or "4" (ignore)
cvv 4/numeric CVV2 value.