When an invalid transaction is created, you assign one of the following categories to best describe the reason for it. These options are provided to you as choices when creating a dispute within the Dashboard, and as a value for the reason attribute of a Dispute object.

Card fraud

You can initiate a dispute using this category if you find a transaction that you did not authorize or participate in.

Evidence field	Description
dispute_explanation	An explanation of why the transaction was not authorized or not participated in.
uncategorized_file	Any additional evidence you believe supports your dispute.

Other

Use this category if you need to dispute a transaction for any other reason. Make sure to provide as much information as possible, along with any evidence you think supports your case.

Evidence field	Description
dispute_explanation	An explanation of why you are disputing the transaction.
uncategorized_file	Any additional evidence you believe supports your dispute.