{ "operationId": "klarnaPaymentTransaction", "summary": "Complete a Klarna payment", "method": "POST", "path": "/api/v2/transactions/{id}/klarna_complete", "responseExample": { "id": "string", "instore_reference": "string", "authorized_payment_method": { "days": 0, "no_of_installments": 0, "payment_type": "INVOICE" } } }