Go to www.authorize.net, and click Merchant Login.
Enter log-in information and click Submit.
Click Settings.
Click API Login ID and Transaction Key.
Write down your API Login ID. Scroll down.
Answer the Secret Question you have already set up with Authorize.net, and click Submit.
Write down your Transaction Key.
Go to LightSpeed's Credit Card Processing Setup. Choose Authorize.net, and click Setup.
Enter the API Login ID and the Transaction Key you've written down. Market Type should be set to 2, the Device Type should be set to 1. You may use the Sandbox setting for testing, and then switch to Live when you are ready to go live. Choose Card Present option, and set your Currency.
LightSpeed Web Store
Contact Authorize.net for account.
Go to www.authorize.net, and click Merchant Login.
Enter log-in information and click Submit.
Click Settings.
Click API Login ID and Transaction Key.
Write down your API Login ID. Scroll down.
Answer the Secret Question you have already set up with Authorize.net, and click Submit.
Write down your Transaction Key.
Go to Web Store Admin Panel > Payment Methods > Authorize.net Advanced Integration. Enter the Login ID and the Transaction Key you've written down. Select Live. Click Save.
