Do we need to get SSL to integrate Authorize.net payment gatway ? If so can any one tell me how to get SSL ? Thanks in advance
You need SSL to integrate using the AIM method. You do not need SSL to integrate with the SIM method. If you want your visitors to stay on your website through the entire checkout process, then you will need to use the AIM method. Whoever manages your server will need to install the SSL certificate for you. I would make sure that your current setup supports one before you go out and buy one. The cheapest is going to be godaddy (~$30 / year), and if you want one that is widely recognized I would go with Verisign (~ $300 and up / year).