| 0 | ok | Request has been processed successfully. |
| S001 | System error. | System error. |
| B002 | Partner does not exists. | PartnerID does not exist. |
| B003 | Illegal sign. | Illegal sign. Please check your signature. |
| B035 | Concurrency limited. Please contact PKFARE API support team for assistant. | Concurrency exceeded system limits. |
| P001 | XXX is illegal. | The field of XXX is illegal. |
| P002 | XXX is missing. | The field of XXX is missing. |
| P004 | The maximum number of passengers with seat is 9. | Wrong parameter. The maximum number of passengers with seat is 9. |
| P005 | There should be at least one adult. | Wrong parameter. There should be at least one adult. |
| P009 | The number of infant passengers can not exceed the number of adult passengers. | Wrong parameter. The number of infant passengers can not exceed the number of adult passengers. |
| B013 | Interface is limited, please contact the system administrator. | The route that you request is limited, please contact system administrator. |
| B015 | Pricing failed. | Pricing failed for other reason. |
| B016 | Flight near take-off, can’t offer pricing service. | Pricing fail. Can not pricing for flights that is near taking off. |
| B018 | Airline or flight restriction. | Airline or flight restriction. |
| B019 | Can not find any supplier for current search. | Can not find any supplier for current search. |
| B020 | Can not find any price for this flight. | Pricing fail. Can not find any price for this flight option. |
| B021 | The booking code you choose has only 0 seat available. | Pricing fail. The booking code you choose has 0 seat left. Please choose other booking code or flight. |
| B026 | LatestTktTime: yyyy-mm-dd hh : mm: ss. | Last ticketing time is not enough to issue ticket. |
| B024 | Pricing TimeOut. | Pricing TimeOut. |
| B035 | Concurrency limited. Please contact PKFARE API support team for assistant. | Concurrent users control. Please contact PKFARE API support for assistant. |
| B039 | Can't find the related data of XXX. | Wrong parameter. Can't find the related data of XXX, like illegal city/country/area/airline. |
| B046 | Interface is limited, the routing is offlined by PKFARE. | Look to book control. If you need this routing, please contact PKFARE API for assistant. |
| B068 | The segment detail is different between solutionid field and journey field. | Please verify whether the information in the pricing request matches the details from the shopping response. |
| B121 | Supplier is offline | Supplier is not at working time, please contact PKFARE API support. |