Do I already accept credit cards?....if yes then...

Then this is your choice:-
a) Manually retrieve your on-line customers’ credit card information from your secure login area and process payment using your off-line credit card terminal, or

What do I need to do to be able to accept credit cards?

a) Link to existing credit card processing companies e.g.

Worldpay
New - PayPal™
New - debit-it!
New - eValuCheck
New - Innovative Gateway Solutions
New - Rodopi Payment Gateway
New - U.S. Merchant Systems
Authorize.Net Payment Services v3.0
E-Commerce Exchange/QuickCommerce 3.0 Payment Gateway
Moneris e-SELECT Payment Service
GlobalCommerce Payment Gateway
CyberSource ICSv2 Payment Services
Cardservice/LinkPoint Payment Gateway
Paradata Payment Service
Verisign Payflow Link
Verisign Payflow Pro (PaymentNet)


b) Speak to your local bank about a 'Merchant Account' and retrieve your customers credit card information manually from your secure login area. You would then punch the numbers into your credit card processing machine.

c) Don’t bother with credit card payment and just accept cheque or money orders.