1. Login to your Authorize.Net merchant account.
   • Production Accounts - https://account.authorize.net/
   • Sandbox Accounts - https://sandbox.authorize.net/
2. Click Settings under the Account Menu on the left hand side of the home page.

              

3. Click the Transaction Details API link under Security Settings

              

4. Enter the Secret Answer you entered when creating your account and click Enable Transaction Details API

5.