Where can I find a complete list of Adumo Online error codes? Leroy Esterhuizen August 13, 2021 07:36 Updated Follow Attached is a list of Adumo Online error codes. For more information about any of these please contact Adumo Online support. Adumo Online Response Codes.pdf 300 KB Download Related articles Adumo Online API Response Codes Where can I find sample code for Enterprise with 3D Secure? Can I debit a client from a credit card? There is a session ID that is not being returned in the request header in 'Live' Mode however is returned in 'Test' Mode? How do I use the Transaction Report? Comments 0 comments Please sign in to leave a comment.