Check reversal eligibility for a transaction

Returns available reversal operations for a specific payment transaction, including terminal-specific options and NMI fallback paths. For terminal (card-present) transactions, pass customer_present=true to see terminal-native operations.

Related endpoints

• GET /credit_notes — List credit notes
• POST /credit_notes — Create a credit note
• GET /credit_notes/{id} — Get credit note by ID
• POST /credit_notes/{id}/void — Void a credit note
• GET /credit_notes/invoice/{invoice_id}/eligibility — Check credit note eligibility for an invoice
• GET /credit_notes/{id}/lines — List line items on a credit note
• POST /credit_notes/preview — Preview a credit note without creating it

Common errors

• 401 unauthenticated — missing, malformed, or revoked API key.
• 404 resource_missing — the referenced resource does not exist or is not visible to your key.

curl "https://api.revkeen.com/v2/credit_notes/transaction/00000000-0000-0000-0000-000000000000/reversal-eligibility" \  -H "x-api-key: $REVKEEN_API_KEY"

{
  "data": {
    "can_reverse": true,
    "transaction_id": "0fec1e58-b197-4052-99cf-2218496c5482",
    "gateway": "string",
    "payment_method": "string",
    "available_operations": [
      "string"
    ],
    "constraints": {
      "max_amount": 0,
      "partial_supported": true,
      "requires_card_present": true,
      "requires_terminal_online": true,
      "requires_customer_iban": true,
      "reason": "string"
    },
    "card_brand": "string",
    "card_last4": "string",
    "terminal_serial": "string",
    "terminal_uti": "string"
  }
}