List disputes
Authentication
A scoped MvsPayApiKey, e.g. mvspay_live_…. Mint and scope keys from the dashboard (Settings → API Keys).
Query parameters
Response
A page of disputes, each with its extension sidecar (or null), plus inline NMI chargebacks.
Hyperswitch disputes (with extension) followed by inline NMI chargebacks.
Router total_count (or joined count) plus the NMI rows in this page.