RapidFS – User ID Login To Activate Card. RapidFS Portal is also known as Rapid! Pay Card, the most comprehensive pay card programs that eliminates paper cheque, reduces costs and improves efficiency using this paperless payroll management. Rapid! Pay card is a prepaid debit card available to activate www.rapidfs.com card and access your direct deposit account number that automatically loads all the direct deposits on to your cards. Log Into www.rapifs.com for Card Activation.