CTO OPEN API Document
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    • Default module
      • Flight
        • Search and Pricing
          • Search Flights
          • Price Specified Segments
          • Get All-Cabin Prices
          • Verify a Solution
          • Get Fare and Baggage Rules
        • Orders
          • Create an Original Flight Order
          • List Flight Orders
          • Get Flight Order Details
          • Cancel a Flight Order
          • Get a Flight Order by External Order Number
          • Pay for a Flight Order
        • Refunds and Changes
          • Check Refund and Change Availability
          • Search and Price Flight Changes
          • Create a Flight Change Order
          • Query Refundable Flight Amounts
          • Create a Flight Refund Order
          • Confirm a Flight Refund Order
        • Services and Status
          • Query Through-Checked and Transit Baggage
          • Query Flight Ticket Status
          • Download an Electronic Ticket Itinerary
        • Account
          • Query Flight Account Balance
      • Train
        • Search and Booking
          • Search Trains
          • Check Seat Availability and Price
          • Get Booking Requirements
          • Create Train Order
        • Orders
          • Get Train Order
          • Get Order Refund and Change Conditions
          • Confirm Pre-sale Order
          • Pay Order
          • Cancel Order
        • Trains and Stations
          • Get Stop Stations by Order
          • Get Stop Stations by Train Number
          • Search Cities and Stations
          • Get Cities and Stations in Bulk
          • Get Exchange Rates
        • Refunds and Changes
          • Estimate Change Fees
          • Estimate Refund Fees
          • Request a Change
          • Request a Refund
          • Confirm Change
          • Confirm Refund
        • 12306
          • Get 12306 Contacts
          • Get 12306 Payment Form
          • Log in to 12306
          • Send 12306 SMS Code
          • Verify 12306 SMS Code
          • Edit 12306 Passenger
          • Perform 12306 Face Verification
          • Submit Foreign Passport Verification
          • Get Foreign Passport Verification Status
        • Partner Sync
          • Incrementally Sync Cities
          • Incrementally Sync Stations
        • Tickets
          • Download PDF Ticket
          • Get HTML Ticket
          • Get Tickets by Type
      • Schemas
        • request
          • request.FlightShoppingRequest
          • request.PayFlightOrderRequest
          • request.ChangeFlightOrderRequests
          • request.CreateFlightOriginOrderRequest
          • request.FlightChangeSearchRequest
          • request.RefundFlightOrderRequest
        • consts
          • consts.CabinClass
          • consts.RefundReason
          • consts.FlightOrderStatus
          • consts.FlightOrderType
          • consts.FlightTicketStatus
          • consts.FlightProductType
          • consts.FlightInvoiceType
          • consts.FlightTaxType
          • consts.PassengerEligibility
        • model
          • model.FlightJourneyCore
          • model.PassengerCountRequest
          • model.ChangeSegment
          • model.PassengerFlightOrder
          • model.ChangeShoppingResult
          • model.ChangeShoppingSegment
          • model.FlightSegmentInfo
          • model.BaggageRule
          • model.BaggageRuleDetail
          • model.FlightCoreSegmentCache
          • model.StopOver
          • model.OrderDetail
          • model.FareRule
          • model.FlightJourney
          • model.FlightSegmentWithCoreSegment
          • model.CoreSegmentDetail
          • model.FlightScheduleChange
          • model.FlightPassengerTickets
          • model.FlightTicket
          • model.PriceDetail
          • model.PriceInFlightOriginOrder
          • model.PriceInFlightChangeOrder
          • model.PriceInFlightRefundOrder
          • model.PriceInFlightVoidOrder
          • model.FlightSolutionResp
          • model.FlightJourneyResp
          • model.FlightPriceDetail
          • model.FlightPrice
          • model.FlightTax
          • model.FlightSolutionLimitation
          • model.FlightLimitAgePair
        • Schemas
          • consts.PassengerType
          • consts.Gender
          • consts.TrainIssueWay
          • consts.TravelDocumentType
          • consts.TrainOrderStatus
          • consts.TrainOrderTicketStatus
          • consts.TrainPassengerStatus
          • consts.TrainRefundStatus
          • dto.PaginationList-array_resp_TrainOrderResp
          • resp.TrainOrderResp
          • resp.TrainOriginTicketDetail
          • req.TrainOrderListReq
          • response.Response-dto_PaginationList-array_resp_TrainOrderResp
          • model.CreateTrainOriginOrderReq
          • response.Response-resp_TrainOrderResp
          • resp.TrainChangeDetail
          • resp.TrainChangeTicketDetail
          • resp.StationDetail
          • model.ShoppingCNTrainStationsResp
          • req.TrainShoppingReq
          • response.Response-array_model_ShoppingCNTrainStationsResp
          • resp.Seats
          • resp.StationInfo
          • response.Response-array_resp_TrainShoppingResp
          • resp.TrainShoppingResp
        • ApiResponseBase
        • ErrorResponse
        • EmptyObject
        • CabinClass
        • PassengerType
        • Gender
        • TravelDocument
        • AllianceCode
        • TransportType
        • RefundReason
        • ChangeReason
        • FlightOrderType
        • FlightOrderStatus
        • PaymentChannel
        • ConfirmationType
        • ConfirmationIata
        • PassengerInfo
        • FlightJourney
        • PassengerCount
        • AccountCode
        • ShoppingRequirements
        • ShoppingVirtualInterlineConfig
        • ShoppingConfigs
        • OpenAPIFlightShoppingReq
        • PricingReqSegment
        • FlightPricingReq
        • AllCabinPriceReq
        • SolutionValidateReq
        • FareRulesReq
        • CreateFlightOriginOrderRequest
        • PassengerForCreateOriginOrder
        • PayFlightOrderReq
        • RefundChangeAvailabilityReq
        • ChangeSearchReq
        • ChangeSearchPassenger
        • ChangeSearchJourney
        • CreateChangeOrderReq
        • ChangeSegmentItem
        • ChangeNewSegment
        • RefundMoneySearchReq
        • CreateFlightRefundOrderOpenAPIRequest
        • BaggageTransitReq
        • BaggageTransitLeg
        • BaggageTransitSegment
        • BaggageTransitStopInfo
        • TicketStatusReq
        • TicketStatusPassenger
        • DownloadAirTicketItineraryRequest
        • ConfirmationSheetPrice
        • OpenAPIShoppingResp
        • OpenAPICoreSegment
        • StopOver
        • OpenAPISolutionResp
        • OpenAPIPriceDetail
        • OpenAPILimitInfo
        • FlightLimitAgePair
        • FlightSolutionGroupInfo
        • OpenAPIPrice
        • OpenAPITax
        • OpenAPIJourneyResp
        • OpenAPISegmentInfo
        • OpenAPIBaggageRule
        • BaggageRuleDetail
        • OpenAPIBaggageRules
        • OpenAPIFareRules
        • OpenAPIFareRule
        • OpenAPIPricingResp
        • OpenAPIPricingSolutionResp
        • OpenAPIPricingPriceDetail
        • OpenAPIPricingPrice
        • OpenAPIPricingJourneyResp
        • OpenAPIPricingSegmentInfo
        • OpenAPIVerificationResp
        • OpenAPIFareRulesResp
        • OpenAPIOrderResp
        • OpenAPIOrderJourney
        • OpenAPIOrderSegment
        • OpenAPIOrderCoreSegment
        • OpenAPIOrderPassenger
        • OpenAPIOrderTicket
        • OpenAPIOrderPriceDetail
        • OpenAPIOrderPrice
        • OpenAPIOriginOrderPrice
        • OpenAPIChangeOrderPrice
        • OpenAPIRefundOrderPrice
        • OpenAPIOrderListResp
        • OpenAPIRefundChangeAvailabilityResp
        • OpenAPIRefundChangeAvailabilityPassenger
        • OpenAPIAskChangeDetail
        • OpenAPIAskRefundDetail
        • OpenAPIChangeSearchResp
        • OpenAPIChangeSolutionResp
        • OpenAPIChangePriceDetail
        • OpenAPIChangePrice
        • OpenAPIRefundMoneySearchResp
        • OpenAPIBaggageTransitLeg
        • OpenAPIBaggageTransitSegmentInfo
        • TicketStatusResp
        • TicketStatusItem
        • TicketCouponStatus
        • BalanceResp
        • TrainApiResponseBase
        • TrainErrorResponse
        • TrainConnectionRegion
        • TrainPriceBasis
        • TrainOrderStatus
        • TrainTicketStatus
        • TrainTicketType
        • TrainPassengerAttribute
        • LocalizedName
        • TrainShoppingLocation
        • TrainShoppingRequest
        • TrainStationWithDateTime
        • TrainCarrier
        • TrainShoppingFeature
        • TrainPassengerTypeInfo
        • TrainSeatInfo
        • TrainShoppingSegment
        • TrainShoppingJourney
        • TrainShoppingData
        • TrainPrice
        • TrainAvailabilityRequest
        • TrainAvailabilityData
        • TrainBookingRequirementsData
        • TrainSeatPreference
        • TrainOrderContactRequest
        • TrainOrderContact
        • TrainPassengerRequest
        • Train12306Account
        • TrainCreateOrderRequest
        • TrainCreateChangeRequest
        • TrainCreateRefundRequest
        • TrainChangeEstimateRequest
        • TrainRefundEstimateRequest
        • TrainPassenger
        • TrainOrderSegment
        • TrainOrderTicket
        • TrainOrderJourney
        • TrainOrder
        • TrainConditionFee
        • TrainCondition
        • TrainOrderConditions
        • TrainRefundEstimateItem
        • TrainRefundEstimateData
        • TrainChangeEstimateItem
        • TrainChangeEstimateData
        • TrainStopStation
        • Train12306AccountRequest
        • Train12306Contact
        • Train12306PayFormRequest
        • Train12306PayFormData
        • Train12306LoginRequest
        • Train12306PassengerInfo
        • Train12306LoginData
        • Train12306SendSmsRequest
        • Train12306SmsVerifyRequest
        • Train12306SmsSendData
        • Train12306OperationData
        • Train12306PassengerDto
        • Train12306EditPassengerRequest
        • Train12306FaceImage
        • Train12306FaceVideo
        • Train12306FaceVerifyRequest
        • Train12306ForeignPassportRequest
        • Train12306PassportProcessRequest
        • Train12306PassportCheckData
        • TrainStationInfo
        • TrainCityInfo
        • TrainStationSearchCity
        • TrainStationSearchData
        • TrainCitiesStationsData
        • TrainOrderTicketFile
        • TrainSyncRequest
        • TrainSyncCity
        • TrainSyncStation
        • TrainSyncCitiesData
        • TrainSyncStationsData
        • TrainShoppingApiResponse
        • TrainAvailabilityApiResponse
        • TrainBookingRequirementsApiResponse
        • TrainOrderApiResponse
        • TrainStopStationsApiResponse
        • TrainConditionsApiResponse
        • TrainChangeEstimateApiResponse
        • TrainRefundEstimateApiResponse
        • TrainEmptyApiResponse
        • Train12306ContactsApiResponse
        • Train12306PayFormApiResponse
        • Train12306LoginApiResponse
        • Train12306SmsSendApiResponse
        • Train12306SmsVerifyApiResponse
        • Train12306OperationApiResponse
        • Train12306PassportCheckApiResponse
        • TrainSyncCitiesApiResponse
        • TrainSyncStationsApiResponse
        • TrainTicketsApiResponse
        • TrainStationSearchApiResponse
        • TrainCitiesStationsApiResponse
        • TrainExchangeRatesApiResponse
        • ShoppingApiResponse
        • PricingApiResponse
        • VerificationApiResponse
        • FareRulesApiResponse
        • OrderApiResponse
        • OrderListApiResponse
        • RefundChangeAvailabilityApiResponse
        • ChangeSearchApiResponse
        • RefundMoneySearchApiResponse
        • BaggageTransitApiResponse
        • TicketStatusApiResponse
        • BalanceApiResponse
    • berlogic
      • authenticate
      • preparePayment
      • finishBooking
      • checkPricing
      • createReservation
      • priceBrandFamily
      • searchAeroexpressSeatInfo
      • searchExchanges
      • refundBooking
      • searchFlights
      • calculateInsurance
      • sendEmail
      • cancelReservation
      • voidTickets
      • updatePassenger
      • getBookingRefundCost
      • bookAdditionalServices
      • refundPolicy
      • changePassword
      • reversePolicy
      • searchRemarks
      • issuePolicy
      • exchangeBooking
      • searchSchedule
      • priceAdditionalServices
      • searchAeroexpressTrainInfo

    RefundChangeAvailabilityApiResponse

    {
        "code": 0,
        "message": "ok",
        "realErrorMsg": "",
        "data": {
            "id": "FO202607090001",
            "orderType": "origin",
            "status": "reviewing",
            "source": "api",
            "solutionId": "sol_2f4d3c",
            "currency": "CNY",
            "validatingCarrier": "CA",
            "originOrderId": "FO202607090001",
            "parentOrderId": "",
            "externalOrderId": "EXT-20260709-0001",
            "contactName": "Zhang San",
            "contactEmail": "zhangsan@example.com",
            "contactRegion": "86",
            "contactPhone": "13800138000",
            "rejectReason": "",
            "isHolding": false,
            "incomeId": 0,
            "lastActionTime": "2026-07-09 12:00:00",
            "lastTicketingTime": "2026-07-09 13:00:00",
            "isVoidPermitted": true,
            "lastVoidTime": "2026-07-09 23:59:59",
            "createdAt": "2026-07-09 10:00:00",
            "updatedAt": "2026-07-09 10:05:00",
            "completedAt": "",
            "journeys": [
                {
                    "id": 201,
                    "orderId": "FO202607090001",
                    "origin": "BJS",
                    "destination": "BKK",
                    "departureDate": "2026-08-01",
                    "departureTime": "08:00",
                    "departureTimeZo": "Asia/Shanghai",
                    "arrivalDate": "2026-08-01",
                    "arrivalTime": "15:00",
                    "duration": "7h00m",
                    "transferNum": 1,
                    "segments": [
                        {
                            "id": 301,
                            "orderId": "FO202607090001",
                            "coreSegmentId": "PEK-SHA-20260801-CA1234",
                            "journeyIndex": 0,
                            "index": 0,
                            "cabinClass": "economy",
                            "cabinCode": "Y",
                            "subCabinCode": "Y1",
                            "fareBasisCode": "YOWCN",
                            "stayTime": "2h10m",
                            "pnr": "ABC123",
                            "airlinePnr": "CA1ABC",
                            "baggageRules": [
                                {
                                    "passengerType": "adult",
                                    "personal": {
                                        "pieces": 1,
                                        "weight": 23,
                                        "unit": "KG",
                                        "dimension": "158CM",
                                        "description": "1 piece, 23KG"
                                    },
                                    "carryOn": {
                                        "pieces": 1,
                                        "weight": 23,
                                        "unit": "KG",
                                        "dimension": "158CM",
                                        "description": "1 piece, 23KG"
                                    },
                                    "checked": {
                                        "pieces": 1,
                                        "weight": 23,
                                        "unit": "KG",
                                        "dimension": "158CM",
                                        "description": "1 piece, 23KG"
                                    }
                                }
                            ],
                            "coreSegment": {
                                "id": "PEK-SHA-20260801-CA1234",
                                "airline": "CA",
                                "flightNo": "CA1234",
                                "isCodeShare": false,
                                "opAirline": "CA",
                                "opFlightNo": "CA1234",
                                "equipment": "738",
                                "mealType": "Meal",
                                "departure": "PEK",
                                "departureDate": "2026-08-01",
                                "departureTime": "08:00",
                                "departureTerminal": "T3",
                                "arrival": "SHA",
                                "arrivalDate": "2026-08-01",
                                "arrivalTime": "10:20",
                                "arrivalTerminal": "T2",
                                "distance": 1080,
                                "flightTime": "2h20m",
                                "stopovers": [
                                    {
                                        "city": "HGH",
                                        "airport": "HGH",
                                        "duration": "1h10m",
                                        "arrivalTime": "10:00",
                                        "departureTime": "11:10"
                                    }
                                ]
                            },
                            "createdAt": "string",
                            "updatedAt": "string"
                        }
                    ],
                    "createdAt": "string",
                    "updatedAt": "string"
                }
            ],
            "passengers": [
                {
                    "id": 101,
                    "parentPassengerId": 0,
                    "orderId": "FO202607090001",
                    "type": "adult",
                    "index": 0,
                    "associatedIndex": 0,
                    "surname": "ZHANG",
                    "givenNames": "SAN",
                    "gender": "male",
                    "birthday": "1990-01-01",
                    "nationality": "CN",
                    "travelDocument": "passport",
                    "travelDocumentExpireDate": "2030-01-01",
                    "travelDocumentNumber": "E12345678",
                    "email": "passenger@example.com",
                    "region": "86",
                    "phone": "13800138000",
                    "airline": "CA",
                    "cardNo": "CA123456",
                    "tickets": [
                        {
                            "id": 401,
                            "parentTicketId": 0,
                            "passengerId": 101,
                            "segmentId": 301,
                            "ticketNo": "9991234567890",
                            "pnr": "ABC123",
                            "issueDate": "2026-07-09",
                            "expireDate": "2027-07-09",
                            "status": "issued",
                            "remark": "",
                            "voidOrderId": "",
                            "refundOrderId": "",
                            "changeOrderId": "",
                            "createdAt": "string",
                            "updatedAt": "string"
                        }
                    ],
                    "createdAt": "string",
                    "updatedAt": "string",
                    "changeable": true,
                    "refundable": true,
                    "voidable": false,
                    "used": false,
                    "nonChangeableReason": "",
                    "nonRefundableReason": "",
                    "nonVoidReason": "",
                    "askChangeDetails": [
                        {
                            "changeType": 1,
                            "changeFlightDateFrom": "2026-08-01",
                            "changeFlightDateTo": "2026-08-31"
                        }
                    ],
                    "askRefundDetails": [
                        {
                            "refundType": 1,
                            "needRepricing": true,
                            "priceValidity": "",
                            "usedAmount": 0,
                            "usedTax": 0,
                            "refundFee": 300,
                            "refundAmount": 900
                        }
                    ]
                }
            ],
            "priceDetail": {
                "productType": "publish",
                "priceList": [
                    {
                        "passengerType": "adult",
                        "num": 1,
                        "publishPrice": 1000,
                        "tax": 200,
                        "price": 950,
                        "salePrice": 1200,
                        "currency": "CNY"
                    },
                    {
                        "passengerType": "adult",
                        "num": 1,
                        "priceDiff": 100,
                        "taxDiff": 20,
                        "changeFee": 30,
                        "serviceFee": 10,
                        "salePrice": 160,
                        "currency": "CNY"
                    },
                    {
                        "passengerType": "adult",
                        "num": 1,
                        "refundableAmount": 800,
                        "usedAmount": 0,
                        "refundFee": 50,
                        "serviceFee": 10,
                        "refundPrice": 740,
                        "currency": "CNY"
                    }
                ],
                "priceTotal": 1200,
                "transactionFee": 0
            },
            "fareRules": [
                {
                    "passengerType": "adult",
                    "canVoid": true,
                    "currency": "CNY",
                    "change": {
                        ">0": 300,
                        ">4": 200,
                        "<-4": 500
                    },
                    "changeDescription": "Change before departure CNY 300",
                    "refund": {
                        ">0": 500,
                        ">4": 300,
                        "<-4": 800
                    },
                    "refundDescription": "Refund before departure CNY 500",
                    "originText": "Original fare rule text",
                    "longestStay": "1Y",
                    "shortestStay": "0D",
                    "convertedCurrency": "USD",
                    "convertedChange": {
                        "property1": 0,
                        "property2": 0
                    },
                    "convertedRefund": {
                        "property1": 0,
                        "property2": 0
                    }
                }
            ]
        }
    }
    Built with