API error codes

error code	error category
2xx	successful command
4xx	temporary errors (client should try again)
5xx	permanent errors

error code list

• 200 - Command completed successfully
• 210 - Domain name available
• 211 - Domain name not available
• 212 - Name server available
• 213 - Name server not available
• 214 - Contact available
• 215 - Contact not available
• 216 - Object available
• 217 - Object not available
• 218 - Request is available
• 219 - Request is not available
• 220 - Command completed successfully. Server closing connection
• 420 - Command failed due to server error. Server closing connection
• 421 - Command failed due to server error. Client should try again
• 423 - Command failed due to server error. Client should try again (Could not get session)
• 425 - Service temporarily locked; usage exceeded
• 500 - Invalid command name
• 501 - Invalid command option
• 502 - Invalid entity value
• 503 - Invalid attribute name
• 504 - Missing required attribute
• 505 - Invalid attribute value syntax
• 506 - Invalid option value
• 507 - Invalid command format
• 508 - Missing required entity
• 509 - Missing command option
• 510 - Command not supported for this class
• 520 - Server closing connection. Client should try opening new connection
• 521 - Too many sessions open. Server closing connection
• 530 - Authentication failed
• 531 - Authorization failed
• 532 - Domain names linked with name server
• 533 - Domain name has active name servers
• 534 - Object has not been flagged for transfer
• 535 - Restricted IP address
• 536 - Object already flagged for transfer
• 540 - Attribute value is not unique
• 541 - Invalid attribute value
• 542 - Invalid old value for an attribute
• 543 - Final or implicit attribute cannot be updated
• 544 - Entity on hold
• 545 - Object not found
• 546 - Credit limit exceeded
• 547 - Invalid command sequence
• 548 - Object is not up for renewal
• 549 - Command failed
• 550 - Parent object not registered
• 551 - Parent object status does not allow for operation
• 552 - Object status does not allow for operation
• 553 - Operation not allowed. Object pending transfer
• 554 - Object already registered
• 555 - Object already renewed
• 556 - Maximum registration period exceeded