Cardstream
STEP 1
Obtain merchantID and merchantSecret from Cardstream. If you intend to send merchantPwd, please configure it on your Merchant Account with Cardstream. Choose to optionally use Secure 3DS.
STEP 2
Activate and edit the Cardstream gateway
STEP 3
For Secure 3DS it may be required to pass browserData and ipAddress on the Import Order API call.
Add the hidden input browserData inside of the same form as the card input.
<input type="hidden" name="browserData" value="" id="browserData">
STEP 4
Add this script to your page before the closing body tag.
STEP 5
For Secure 3DS the checkout and upsell pages must support 3DS redirects
Basic 3DS Instructions