# Check In

Pass all relevant check in infomation to check in a guest

Endpoint: POST /api/v1/reservation/checkin
Version: 1.0.0
Security: ApiKey

## Request fields (application/json):

  - `employeeIdentifier` (string)

  - `supplierReservationId` (string, required)

  - `source` (string, required)
    The source from which the booking came from

  - `checkInDateTime` (string, required)
    Date and time with timezone offset, e.g., 2024-10-17T14:30:00-05:00
    Example: "2024-10-17T14:30:00-05:00"

  - `roomNumber` (string, required)

  - `folioNumber` (string, required)

  - `guestFirstName` (string, required)

  - `guestLastName` (string, required)

  - `roomType` (string)

  - `expectedCheckOutDateTime` (string)

  - `reservationInformation` (object)

  - `loyalty` (string)
    The loyalty number assigned or credited with the reservation

  - `occupancy` (integer)

  - `numberOfNights` (integer, required)

## Response 200 fields (application/json):

  - `status` (string)

## Response 202 fields (application/json):

  - `status` (string)

## Response 400 fields (application/json):

  - `message` (string, required)

## Response 500 fields (application/json):

  - `message` (string, required)
    Internal Server Error