CKI Block Seats Virtual Sandbox

Manage and block airline seat assignments for passenger check-in workflows.

The CKI Block Seats API allows developers to programmatically block specific seats on a flight. This service is essential for managing seat availability, handling passenger seat requests, and integrating seat-blocking logic into airline check-in and reservation management systems.

Use this hosted sandbox to simulate CKI Block Seats APIs without authentication, API keys, or extra dependencies. Point your code or SDK to the Beeceptor base URL, preferably through an environment variable or feature flag, and switch back to the production API when ready. This keeps your integration code consistent across local development, QA, demos, and production.

Use cases:

Use this sandbox to simulate seat-blocking requests, validate seat map availability, test conflict handling for already-occupied seats, and verify error responses for invalid flight or seat identifiers during the check-in process.

CKI Block Seats virtual sandbox is up and running!

Use this sandbox URL as the API base in your code to simulate CKI Block Seats responses instantly.

`https://sabre-cki-block-seats.mock.beeceptor.com`

Seat

POST

/v2/cki/seat/block

Creates a resource to block the seats in a flight.

Header Name	Example
`x-sabre-security-token`	`"dolore"`
`Authorization`	`"esse occaecat aliquip do"`
`x-sabre-airline`	`"aute commodo"`
`x-sabre-client-context`	`"do"`
`Application-ID`	`"dolore"`
`Conversation-ID`	`"velit ipsum"`
`Message-ID`	`"in pariatur amet"`

Request Payload

{
  "flightCriteria": {
    "airlineCode": "NH",
    "arrivalAirportCode": "FRA",
    "cabinClassCode": "Y",
    "departureAirportCode": "LAX",
    "departureDate": "2026-08-03",
    "flightNumber": "799"
  },
  "seatBlockUnblockCriteria": {
    "rowNumberColumnGroupList": [
      {
        "columnGroup": [
          "R"
        ],
        "rowNumber": 46
      },
      {
        "columnGroup": [
          "R"
        ],
        "rowNumber": 48
      },
      {
        "columnGroup": [
          "R"
        ],
        "rowNumber": 22
      },
      {
        "columnGroup": [
          "R"
        ],
        "rowNumber": 48
      }
    ],
    "rowNumberColumnRangeList": [
      {
        "columnRange": {
          "columnFrom": "C",
          "columnTo": "F"
        },
        "rowNumber": 42
      },
      {
        "columnRange": {
          "columnFrom": "D",
          "columnTo": "E"
        },
        "rowNumber": 20
      },
      {
        "columnRange": {
          "columnFrom": "C",
          "columnTo": "G"
        },
        "rowNumber": 20
      },
      {
        "columnRange": {
          "columnFrom": "D",
          "columnTo": "F"
        },
        "rowNumber": 9
      }
    ],
    "rowNumberList": [
      26,
      20,
      25,
      14
    ],
    "rowRangeColumnGroupList": [
      {
        "columnGroup": [
          "R"
        ],
        "rowRange": {
          "rowFrom": 13,
          "rowTo": 36
        }
      },
      {
        "columnGroup": [
          "R"
        ],
        "rowRange": {
          "rowFrom": 14,
          "rowTo": 34
        }
      },
      {
        "columnGroup": [
          "R"
        ],
        "rowRange": {
          "rowFrom": 20,
          "rowTo": 32
        }
      },
      {
        "columnGroup": [
          "R"
        ],
        "rowRange": {
          "rowFrom": 15,
          "rowTo": 33
        }
      },
      {
        "columnGroup": [
          "R"
        ],
        "rowRange": {
          "rowFrom": 14,
          "rowTo": 33
        }
      }
    ],
    "rowRangeList": [
      {
        "rowFrom": 16,
        "rowTo": 36
      },
      {
        "rowFrom": 14,
        "rowTo": 34
      },
      {
        "rowFrom": 20,
        "rowTo": 21
      },
      {
        "rowFrom": 12,
        "rowTo": 29
      },
      {
        "rowFrom": 13,
        "rowTo": 22
      }
    ],
    "seatBlockCode": "B",
    "seatNumberList": [
      "20E",
      "14A",
      "23B"
    ]
  }
}

Response Payload

{
  "affectedSeatsList": [
    "12A"
  ],
  "aircraftType": "A35",
  "airlineCode": "DL",
  "arrivalAirportCode": "JFK",
  "cabinClassCode": "Y",
  "departureAirportCode": "LHR",
  "departureDate": "2026-08-18",
  "errors": [
    {
      "code": "404_NOT_FOUND",
      "message": "Invalid flight number",
      "source": "HOST",
      "type": "Validation"
    }
  ],
  "flightLegStatus": "OPENCI",
  "flightNumber": "4",
  "offloadedPassengerList": [
    "John Doe",
    "Jane Smith"
  ],
  "scheduledArrivalTime": "11:00",
  "scheduledDepartureTime": "14:30",
  "seatBlockCode": "Z",
  "status": "Incomplete",
  "systemTrackingId": "4c93e8ec-3552-4a14-9e9f-2d2d3450e994",
  "timeStamp": "2026-07-21T00:00:00.0Z",
  "warnings": [
    {
      "code": "WRN_DUPLICATE_BLOCK",
      "element": "countsPerCabinList",
      "message": "Capacity limits reached.",
      "source": "ANCS",
      "type": "BusinessLogic"
    },
    {
      "code": "ERR_MALFORMED_RESPONSE",
      "element": "countsPerCabinList",
      "message": "Request has missing mandatory fields.",
      "source": "PNR",
      "type": "Validation"
    },
    {
      "code": "WRN_DUPLICATE_BLOCK",
      "element": "departureDate",
      "message": "Request has missing mandatory fields.",
      "source": "ANCS",
      "type": "BusinessLogic"
    },
    {
      "code": "ERR_MALFORMED_RESPONSE",
      "element": "countsPerCabinList",
      "message": "Capacity limits reached.",
      "source": "ANCS",
      "type": "BusinessLogic"
    }
  ]
}

{
  "errorCode": "500",
  "message": "Service unavailable.",
  "status": "Incomplete",
  "systemTrackingId": "f39a93db-8e27-4cc1-9633-17e3290a868c",
  "timeStamp": "2026-07-21T00:00:00.0Z",
  "type": "Transport"
}

{
  "errorCode": "500",
  "message": "Service unavailable.",
  "status": "Complete",
  "systemTrackingId": "deb336a2-8208-473c-97a9-5f5c8963c112",
  "timeStamp": "2026-07-20T00:00:00.0Z",
  "type": "Transport"
}

{
  "errorCode": "404",
  "message": "Service unavailable.",
  "status": "Complete",
  "systemTrackingId": "008d3b57-a4ec-4486-a77c-e76fdc4b9749",
  "timeStamp": "2026-07-21T00:00:00.0Z",
  "type": "BusinessLogic"
}

{
  "diagnostics": {},
  "errorCode": "ERR.2SG.SEC.MISSING_CREDENTIALS",
  "message": "Authentication data is missing",
  "status": "Unknown",
  "timeStamp": "2026-07-21T00:00:00.0Z",
  "type": "Validation"
}

Service Homepage: developer.sabre.com/rest-api/cki-block-seats/v2

sabretravelcheck-inseatsaviation