transaction.declined

{
  "id": "evt_9f8e7d6c5b4a",
  "type": "transaction.declined",
  "created": 1757264400,
  "livemode": false,
  "data": {
    "id": "txn_3f9a",
    "card_id": "card_7h2k",
    "last4": "4242",
    "amount_cents": 675,
    "merchant": "COFFEE SHOP #42 SAN FRANCISCO",
    "status": "DECLINED",
    "decline_reason": "insufficient_funds"
  }
}