This documentation is for the legacy Helcim.js 1.0. New merchants should refer to the Helcim.js version 2 documentation.
|Element Type||Name||ID||Format / Options||Description|
|input hidden||none*||merchantId||numeric||Your merchant id; must not include any spaces or special characters.|
|input text||none*||cardNumber||16/numeric||Credit card number; must not include any spaces or special characters.|
|input text||none*||expiryDate||4/numeric||Credit card expiry date in the form of MMYY. With leading zeroes if the month or year is only one digit.|
|input text||none*||cvv||4/numeric||CVV2 value|