What are the ways I can pay for the test? Abegail Corre 07 July 2021 13:58 Updated Follow PSI accepts Visa, Mastercard, American Express, Discover, or JCB credit cards. Regards, PSI Support Related articles Will the proctor be able to help me? What do I do if the keys/buttons/functions are not working during the test? How is my test scored/graded? What if I want to cancel my test? FAQ - How can we help? Comments 0 comments Article is closed for comments.