Rkimball : How to get Client ID, Transaction Key, and API Login ID from Authorize.net Payment Gateway?

Follow steps below to easily get Client ID, Transaction Key, and API Login ID from Authorize.net Payment Gateway -

Step 1 : Go to Authorize.Net

Step 2 : If you are an Authorize.Net user, Sign In, else create an account by clicking on Sign Up

Step 3 : On clicking Sign In, a dropdown menu will open. Select Merchants

Step 4 : Enter your credentials and Log In

Step 5 : Click on Account tab

Step 6 : Click on Manage Public Client Key

Step 7 : Here is your Client Key, copy it

Step 8 : Click on API Credentials & Keys

Step 9 : Here is your API Login ID, copy it too. Now select New Transaction Key

Step 10 : Click on Submit

Step 11 : A popup window asking you to verify your identity will open. Check your email address and click on Request Pin
 

Step 12 : Copy and paste the received pin here

Step 13 : Click on Verify Pin

Step 14 : Click on Continue

Step 15 : Here is your Transaction Key. Copy it too

Step 16 : Now paste all the copied keys, Client ID, API Login ID, and Transaction Key in their respective fields on the creator software