Webhook Event Catalog

Event names are PascalCase, dot-separated, mirroring the card provider's catalog where applicable. Subscribe to a subset via the events array, or pass [] for all (see Webhook Management).

Event	Fires when	Key data fields
Payment.ACH.Completed	An ACH deposit/withdrawal settles	payment_id, ach_direction (inbound|outbound), user_id, amount, deposit_id, status
Payment.ACH.Failed	An ACH payment is rejected	same
Payment.ACH.Returned	An ACH payment settles then returns	same
Payment.Transfer.Completed	An internal book transfer settles	transfer fields
Payment.Transfer.Failed	An internal book transfer is rejected	transfer fields
CreditLine.Transaction.Posted	A card transaction lands (swipe, online, P2P)	transaction_id, user_id, amount, direction, merchant_name, mcc, status, posted_at
CreditLine.Transaction.Returned	A card transaction is returned by the network	same
Card.Frozen	POST …/freeze succeeds	user_id, payment_card_id, end_date
Card.Unfrozen	POST …/unfreeze succeeds	user_id, payment_card_id
Consumer.Closed	POST /partner/cards/cancel-account succeeds	user_id, consumer_id, cancellation_reason
Dispute.Opened	POST /partner/disputes succeeds	dispute_pk, user_id, reason, status, transaction_id