Disputes Evidence Collection

Managed by Marqeta (MxM) customers and hybrid card programs must submit evidence for Regulation E disputes to the /cases endpoint. Evidence collection requirements vary by program type, as described in the following table.

Program type	Program responsibility	Required evidence
MxM JIT programs	Program provides money movement evidence; Marqeta handles communications	Documentation for provisional credit grant, reversal, and permanent credit submitted via API or the disputes portal within three business days
Hybrid JIT programs	Program provides both money movement and communication evidence	Documentation for all credit events plus consumer communication records submitted via API or the disputes portal within three business days
MxM pre-funded programs	Marqeta handles all evidence collection and communications	No evidence required — you can monitor dispute events through the disputes portal
Hybrid pre-funded programs	Program provides communication evidence; Marqeta handles money movement evidence	Consumer communication dates and content for all credit events submitted via API or the disputes portal within three business days

Available operations

Method	Endpoint	Operation
`POST`	`/cases/{case_token}/events`	Create a dispute case event with evidence
`GET`	`/cases/{case_token}/events/{event_token}/evidences`	Retrieve evidence for a case event
`POST`	`/cases/{case_token}/events/{event_token}/evidences`	Add evidence to an existing case event