There are many way to make a payment on a e-commerce web site.
The well-known way of payments
This is a bad idea to chose your bank: their solution are often technically outdated. They are also expensive, not user friendly and hard to install.
You can get a VAD Contract from your bank without using their technical solution.
It’s also a bad idea, as they are quite expensive and not easy to process during the payment for your customer.
The new ones
A french solution used by some banks (the cleverest ?): easy to install (and free) – they create the plugins- with plenty of features … but they need a VAD contract.
Without VAD contracts
The following solutions do not need a VAD contract : Dalenys, Mangopay, PayPlug, PayGreen, Stripe.
To get more information including the prices, read the French version of this article.