To get started, you will first need to login to QuickBooks developer center using your QuickBooks login account. Or signup if you don't have an account yet.
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To obtain your API Credentials, you first need to create new app.
Click Create new app.
To configure your Payment Gateway in RazorCart see the following article:
http://helpdesk.smith-consulting.com/kb/a1537/razorcart-payment-setup.aspx
If you're using the Test environment, enable Test Mode by checking the Test Mode checkbox:
If you want to only authorize the payment without capturing it (you will have to manually capture it). Check authorize only
Save the settings
Trouble logging in? Simply enter your email address OR username in order to reset your password.
For faster and more reliable delivery, add support@smith-consulting.com to your trusted senders list in your email software.