| SESSION_DATA_NOT_OK | SUCCESS | BAD_REQUEST | Session data doesn't meet the partner's requirements |
| SUCCESS | SUCCESS | SUCCEEDED | Successful operation |
| Pending | WAITING | WAITING_PARTNER_RESPONSE | Transaction awaiting response to authorization request |
| ABORTED | ERROR | ABORTED_BY_CUSTOMER | Transaction aborted |
| Expired | ERROR | ABORTED_BY_CUSTOMER | Transaction expired |
| Rejected | ERROR | FAILED | Authorize checkout Outcome |
| NotEvaluated | ERROR | REJECTED_BY_RISK_CHECKS | Authorize checkout Outcome |
| Accepted | SUCCESS | SUCCEEDED | Successful operation |
| ERROR | ERROR | FAILED | Failed operation |
| 400.000 | ERROR | BAD_REQUEST | Unknown error |
| 400.001 | ERROR | BAD_REQUEST | Request body missing |
| 400.002 | ERROR | BAD_REQUEST | Value is required |
| 400.003 | ERROR | BAD_REQUEST | Value out of range |
| 400.004 | ERROR | BAD_REQUEST | Value format is incorrect |
| 400.005 | ERROR | BAD_REQUEST | A string value exceeds maximum length of {value} |
| 400.006 | ERROR | BAD_REQUEST | A string value with minimum length {value} is required |
| 400.007 | ERROR | BAD_REQUEST | A decimal value has more than allowed decimal digits |
| 400.100 | ERROR | BAD_REQUEST | Order number is already used on the client |
| 400.101 | ERROR | BAD_REQUEST | TotalNetAmount doesn't match with items prices |
| 400.102 | ERROR | BAD_REQUEST | Order gross amount doesn't match with items prices |
| 400.103 | ERROR | BAD_REQUEST | The provided customerNumber differs from the customerNumber specified in the checkout |
| 400.108 | ERROR | BAD_REQUEST | Invalid payment method selected |
| 400.109 | ERROR | BAD_REQUEST | A valid contract id is required |
| 400.110 | ERROR | BAD_REQUEST | Installment profile not found |
| 400.111 | ERROR | BAD_REQUEST | Installment profile plans missing |
| 400.112 | ERROR | BAD_REQUEST | Monthly installment amount is invalid |
| 400.113 | ERROR | BAD_REQUEST | Number of installments is not allowed for amount |
| 400.114 | ERROR | BAD_REQUEST | Invalid AccountProfileNo |
| 400.115 | ERROR | BAD_REQUEST | Reservation not found |
| 400.117 | ERROR | BAD_REQUEST | Cannot capture the order because full capture can only be done for the entire reserved amount within the given tolerance level. |
| 400.118 | ERROR | BAD_REQUEST | Capture partial cannot capture more than the current reservation balance |
| 400.119 | ERROR | BAD_REQUEST | Order items missing |
| 400.120 | ERROR | BAD_REQUEST | Cannot capture the order as capture with the specified number is already exists |
| 400.121 | ERROR | BAD_REQUEST | Reservation, to which this order is linked to does not have a checkout |
| 400.122 | ERROR | BAD_REQUEST | Cannot create refund as invoice number already exists |
| 400.124 | ERROR | BAD_REQUEST | The grand total of gross unit prices must be positive |
| 400.126 | ERROR | BAD_REQUEST | Cannot refund the order because specified capture was not created from reservation, to which this order is linked to |
| 400.127 | ERROR | BAD_REQUEST | Cannot refund the order as refund amount is higher than the capture balance amount |
| 400.128 | ERROR | BAD_REQUEST | Cannot refund the order because there are no captures related to this order |
| 400.129 | ERROR | BAD_REQUEST | Cannot cancel the order, because it is partially or fully captured |
| 400.131 | ERROR | BAD_REQUEST | Order not found |
| 400.132 | ERROR | BAD_REQUEST | Capture not found |
| 400.133 | ERROR | BAD_REQUEST | Refund not found |
| 400.134 | ERROR | BAD_REQUEST | Void not found |
| 400.135 | ERROR | BAD_REQUEST | Customer not found |
| 400.136 | ERROR | BAD_REQUEST | Contract already exists |
| 400.137 | ERROR | BAD_REQUEST | When order items are provided then capture number is mandatory |
| 400.138 | ERROR | BAD_REQUEST | Shipping details not found |
| 400.139 | ERROR | BAD_REQUEST | Valid BankCode is required |
| 400.140 | ERROR | BAD_REQUEST | Valid BankAccount is required |
| 400.142 | ERROR | BAD_REQUEST | Checkout not found |
| 400.144 | ERROR | BAD_REQUEST | Validation failed |
| 400.146 | ERROR | BAD_REQUEST | Capture amount can't be with opposite sign to Reservation amount |
| 400.147 | ERROR | BAD_REQUEST | Void amount can't be with opposite sign to Reservation amount |
| 400.148 | ERROR | BAD_REQUEST | Cannot refund a negative invoice |
| 400.150 | ERROR | BAD_REQUEST | Installment profile is not valid for amount |
| 400.151 | ERROR | BAD_REQUEST | IdempotencyKey is aleady used with different endpoint URL |
| 400.152 | ERROR | BAD_REQUEST | DirectDebit is not enabled for client |
| 400.153 | ERROR | BAD_REQUEST | A valid order number can include alphanumeric characters, dashes and underscores |
| 400.154 | ERROR | BAD_REQUEST | totalGrossAmount cannot be negative |
| 400.155 | ERROR | BAD_REQUEST | In case of partial request the totalGrossAmount is required |
| 400.156 | ERROR | BAD_REQUEST | The country code is not valid for this customer |
| 400.157 | ERROR | BAD_REQUEST | The currency code is not valid for this customer |
| 400.158 | ERROR | BAD_REQUEST | Reservation is already cancelled, captured, or expired |
| 400.159 | ERROR | BAD_REQUEST | Item gross price, net price and VAT amount must be all positive or all negative |
| 400.160 | ERROR | BAD_REQUEST | Gross unit price must be equal to Net unit price plus VAT amount |
| 400.161 | ERROR | BAD_REQUEST | Item net price can't be bigger than gross price |
| 400.162 | ERROR | BAD_REQUEST | Item VAT amount can't be bigger than gross price |
| 400.166 | ERROR | BAD_REQUEST | The provided currency differs from the currency specified in the checkout |
| 400.167 | ERROR | BAD_REQUEST | File format is not supported. We support the following formats: {value} |
| 400.168 | ERROR | BAD_REQUEST | Order items must be specified if order amount is increased within the allowed tolerance level |
| 400.169 | ERROR | BAD_REQUEST | Order items must be specified if order amount has changed |
| 400.170 | ERROR | BAD_REQUEST | Full refund is not allowed after partial refund. |
| 400.171 | ERROR | BAD_REQUEST | Cannot refund the order as the total refund amount exceeds the maximum allowed amount. |
| 400.172 | ERROR | BAD_REQUEST | The maximum Idempotency Key length is 50 characters. |
| 400.173 | ERROR | BAD_REQUEST | The Idempotency key may contain alphanumeric characters and hyphens. |
| 400.174 | ERROR | BAD_REQUEST | Active campaign not found. |
| 400.175 | ERROR | BAD_REQUEST | The merchant id is not valid. |
| 400.176 | ERROR | BAD_REQUEST | The merchant id is deactivated. |
| 400.177 | ERROR | BAD_REQUEST | Too many operations with zero amount for this order. |
| 400.178 | ERROR | BAD_REQUEST | Account number is not supported. |
| 400.179 | ERROR | BAD_REQUEST | B2B customers not supported for this region. |
| 400.180 | ERROR | BAD_REQUEST | Nonce not found. |
| 400.181 | ERROR | BAD_REQUEST | A valid customer card classification can include only digits from 1 to 5. |
| 400.182 | ERROR | BAD_REQUEST | Virtual bank account not found. |
| 400.183 | ERROR | BAD_REQUEST | The checkout is already used by reservation. |
| 400.184 | ERROR | BAD_REQUEST | totalGrossAmount is higher than order amount. |
| 400.185 | ERROR | BAD_REQUEST | Both, orderItems and items are used. Please use one or another. |
| 400.186 | ERROR | BAD_REQUEST | Operation is rejected as reservation is in pending state. |
| 200.001 | ERROR | REJECTED_BY_RISK_CHECKS | Sorry, the age you entered does not meet the minimum requirement (18 years), please choose a different payment method or reenter your date of birth |
| 200.002 | ERROR | REJECTED_BY_RISK_CHECKS | Sorry, B2B purchases are not allowed for this merchant. Please choose another payment method |
| 200.003 | ERROR | REJECTED_BY_RISK_CHECKS | Sorry, the payment method is currently not available. Please choose another payment method |
| 200.004 | ERROR | REJECTED_BY_RISK_CHECKS | Pick-Up-point can not be used as billing address |
| 200.005 | ERROR | REJECTED_BY_RISK_CHECKS | Address of the Pick-Up-point is invalid, please doublecheck and correct it |
| 200.006 | ERROR | REJECTED_BY_RISK_CHECKS | Billing and delivery address must be the same |
| 200.101 | ERROR | REJECTED_BY_RISK_CHECKS | This billing address is invalid, please double check and correct it |
| 200.102 | ERROR | REJECTED_BY_RISK_CHECKS | This delivery address is invalid, please double check and correct it |
| 200.103 | ERROR | REJECTED_BY_RISK_CHECKS | The billing address was corrected, please verify (not sent for DACH and Benelux) |
| 200.104 | ERROR | REJECTED_BY_RISK_CHECKS | The delivery address was corrected, please verify (not sent for DACH and Benelux) |
| 200.105 | ERROR | REJECTED_BY_RISK_CHECKS | Sorry, the payment method is currently not available. Please choose another payment method (not sent for DACH and Benelux) |
| 200.900 | ERROR | REJECTED_BY_RISK_CHECKS | Sorry, the payment method is currently not available. Please choose another payment method |
| 200.901 | ERROR | REJECTED_BY_RISK_CHECKS | Sorry, the payment method is currently not available. Please choose another payment method |
| 200.902 | ERROR | REJECTED_BY_RISK_CHECKS | Sorry, the payment method is currently not available. Please choose another payment method |
| 200.903 | ERROR | REJECTED_BY_RISK_CHECKS | Sorry, the payment method is currently not available. Please choose another payment method |
| 200.909 | ERROR | REJECTED_BY_RISK_CHECKS | Account number from this country is not supported for this Riverty merchant |
| 200.910 | ERROR | REJECTED_BY_RISK_CHECKS | Strong identification needed |