How do I Whitelist my Callback Endpoints? DirectID Support September 12, 2017 14:30 Updated Follow If you need to set up a whitelist for your call-back endpoints, the DirectID callback source is: 188.8.131.52. Related articles How can I set the fields returned in "GET /v1/individuals"? Why is the User unable to see the DirectID Widget? Do you have Test Bank Credentials that I could use? Comments 0 comments Article is closed for comments.