You can also use this url link www.paypal.com/payflow
Paypal Integration for onlinebooking
Client must register paypal with prime / business account to process the gateway
he full integration for PayPal Express Checkout, PayPal Payments Advanced, and Payflow Link was added in the 2.x version of the module and has been verified by PayPal. There is no upgrade path for the 1.x branch, so it has been discontinued. Additionally, this module deprecates the third party project(s) attempting to extend this module for EC support.