Alto (Vebra / Zoopla) Appointments API

openapi: 3.2.0
info:
  title: Alto Appointments API
  version: '1.0'
servers:
- url: https://api.alto.zoopladev.co.uk
  description: Sandbox
- url: https://api.alto.zoopla.co.uk
  description: Production
security:
- Bearer: []
tags:
- name: Appointments
paths:
  /appointments/{appointmentId}/{instanceId}:
    get:
      tags:
      - Appointments
      summary: Retrieves an appointment by their unique identifier and numeric instance
      description: "Retrieves an appointment by their unique identifier and numeric instance.\n            \nRequired scope: alto/read:appointments"
      parameters:
      - name: appointmentId
        in: path
        description: The unique identifier of the appointment
        required: true
        schema:
          type: integer
          format: int64
      - name: instanceId
        in: path
        description: The numeric instance of an appointment; this value is only greater than zero for general appointment types that are marked as recurring and represents the xth instance of a given appointment in a recurring series.
        required: true
        schema:
          type: integer
          format: int32
      - name: AgencyRef
        in: header
        description: ''
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Appointment retrieved for requested appointment id and instance.
          content:
            text/plain:
              schema:
                $ref: '#/components/schemas/ExternalPartnerAppointment'
            application/json:
              schema:
                $ref: '#/components/schemas/ExternalPartnerAppointment'
            text/json:
              schema:
                $ref: '#/components/schemas/ExternalPartnerAppointment'
        '401':
          description: Unauthorized
          content:
            text/plain:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
            application/json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
            text/json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
        '403':
          description: Invalid scope or AgencyRef for request.
          content:
            text/plain:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
            application/json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
            text/json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
        '404':
          description: Appointment not found within the scope of the AgencyRef's authorised group and branches
          content:
            text/plain:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
            application/json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
            text/json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
        '500':
          description: Internal Server Error
        '400':
          description: Validation error e.g. invalid format for appointment identifier or instance
      security:
      - appAuth:
        - alto/route:get-appointments-appointmentid-instanceid
  /appointments/general:
    post:
      tags:
      - Appointments
      summary: Create a general appointment.
      description: 'Creates an appointment with the requested contacts and properties for the given negotiators.

        Required scope: alto/write:appointments_general'
      parameters:
      - name: AgencyRef
        in: header
        description: ''
        required: true
        schema:
          type: string
      requestBody:
        description: The object containing the appointment details.
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/GeneralAppointmentRequest'
          text/json:
            schema:
              $ref: '#/components/schemas/GeneralAppointmentRequest'
          application/*+json:
            schema:
              $ref: '#/components/schemas/GeneralAppointmentRequest'
      responses:
        '200':
          description: Returns an object containing the newly created appointment's unique identifier
          content:
            text/plain:
              schema:
                $ref: '#/components/schemas/CreateAppointmentData'
            application/json:
              schema:
                $ref: '#/components/schemas/CreateAppointmentData'
            text/json:
              schema:
                $ref: '#/components/schemas/CreateAppointmentData'
        '400':
          description: Validation error e.g. invalid date range selection.
          content:
            text/plain:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
            application/json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
            text/json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
        '401':
          description: Unauthorized
          content:
            text/plain:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
            application/json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
            text/json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
        '403':
          description: Invalid scope or AgencyRef for request.
          content:
            text/plain:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
            application/json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
            text/json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
        '500':
          description: Internal Server Error
      security:
      - appAuth:
        - alto/route:post-appointments-general
  /appointments/general/{appointmentId}:
    patch:
      tags:
      - Appointments
      summary: Updates an existing general appointment
      description: "Updates a general appointment with any of the following fields supported for update:\n- /startDate ie. The start date and time in ISO 8601 format to update against the requested general appointment\n- /endDate ie. The end date and time in ISO 8601 format to update against the requested general appointment\n- /negotiatorIds ie. An array of all negotiators' unique identifiers to be associated against the requested general appointment\n            \nRequired scope: alto/write:appointments_general"
      parameters:
      - name: appointmentId
        in: path
        description: The appointment's unique identifier
        required: true
        schema:
          type: integer
          format: int64
      - name: AgencyRef
        in: header
        description: ''
        required: true
        schema:
          type: string
      requestBody:
        description: ''
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/GeneralAppointmentPatchJsonPatchDocument'
          text/json:
            schema:
              $ref: '#/components/schemas/GeneralAppointmentPatchJsonPatchDocument'
          application/*+json:
            schema:
              $ref: '#/components/schemas/GeneralAppointmentPatchJsonPatchDocument'
      responses:
        '200':
          description: Returns an object with a flag indicating a successful update
        '400':
          description: Validation error e.g. invalid date range selection or unsupported patch path/value.
          content:
            text/plain:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
            application/json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
            text/json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
        '401':
          description: Unauthorized
          content:
            text/plain:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
            application/json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
            text/json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
        '403':
          description: Invalid scope or AgencyRef for request.
          content:
            text/plain:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
            application/json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
            text/json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
        '404':
          description: Appointment requesting to be updated does not exist against the requested AgencyRef
          content:
            text/plain:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
            application/json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
            text/json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
        '500':
          description: Internal Server Error
      security:
      - appAuth:
        - alto/route:patch-appointments-general-appointmentid
  /appointments/negotiators:
    get:
      tags:
      - Appointments
      summary: Get negotiator's appointments within a selected time range.
      description: 'Retrieves a paginated list of the requested negotiator''s appointments within the selected time range, grouped by negotiator.

        Required scope: alto/read:appointments'
      parameters:
      - name: start-date
        in: query
        description: 'Required: The start date and time in ISO 8601 format for filtering negotiator''s appointments.

          Interpreted as UK local diary time: a value with a UTC marker (a trailing `Z`) or an explicit offset

          is converted to UK local time (Europe/London); a plain local value with no offset is taken as-is.'
        required: true
        schema:
          type: string
          format: date-time
          example: '2023-01-01T00:00:00.0000000+00:00'
        example: '2023-01-01T00:00:00.0000000+00:00'
      - name: end-date
        in: query
        description: 'Required: The end date and time in ISO 8601 format for filtering negotiator''s appointments.

          Interpreted as UK local diary time: a value with a UTC marker (a trailing `Z`) or an explicit offset

          is converted to UK local time (Europe/London); a plain local value with no offset is taken as-is.'
        required: true
        schema:
          type: string
          format: date-time
          example: '2023-01-01T00:00:00.0000000+00:00'
        example: '2023-01-01T00:00:00.0000000+00:00'
      - name: type-id
        in: query
        description: 'Optional: The appointment type for filtering negotiator appointments;

          NOTE: If not set, this will return all appointment types'
        schema:
          enum:
          - Unspecified
          - General
          - Valuation
          - Viewing
          - Communication
          - InternalMessage
          - Offer
          - AgreedOffer
          - Note
          - AuditedChange
          - StickyNote
          - FinancialTransaction
          - Marketing
          - Creation
          - SyncedEmail
          - AccountingTransaction
          - WorkOrderEvent
          - TenancyEvent
          - FollowUp
          - PersonalInformationRequest
          - TdsEvent
          - SigningRequest
          - MaintenanceRequest
          - DocumentSharing
          - ConveyancerReferral
          type: string
          example: General
        example: General
      - name: next-token
        in: query
        description: The token for the next page of results.
        schema:
          type: string
      - name: max-results
        in: query
        description: The maximum number of results to return. The default value is 50, and the maximum value is 250.
        schema:
          maximum: 250
          minimum: 1
          type: integer
          format: int32
          example: 50
        example: 50
      - name: negotiator-id
        in: query
        required: true
        schema:
          type: array
          items:
            type: integer
            format: int32
      - name: AgencyRef
        in: header
        description: ''
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Appointments retrieved for negotiator.
          content:
            text/plain:
              schema:
                $ref: '#/components/schemas/ExternalPartnerUserAppointmentsPagedResponse'
            application/json:
              schema:
                $ref: '#/components/schemas/ExternalPartnerUserAppointmentsPagedResponse'
            text/json:
              schema:
                $ref: '#/components/schemas/ExternalPartnerUserAppointmentsPagedResponse'
        '400':
          description: Validation error e.g. invalid date range selection.
          content:
            text/plain:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
            application/json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
            text/json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
        '401':
          description: Unauthorized
          content:
            text/plain:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
            application/json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
            text/json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
        '403':
          description: Invalid scope or AgencyRef for request.
          content:
            text/plain:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
            application/json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
            text/json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
        '500':
          description: Internal Server Error
      security:
      - appAuth:
        - alto/route:get-appointments-negotiators
  /appointments/valuations:
    get:
      tags:
      - Appointments
      summary: Get valuations within a selected time range.
      description: Retrieves a paged collection of valuations per the search criteria, which must include at least a Created Date range.
      parameters:
      - name: created-from
        in: query
        description: 'Required: The lower limit for created date and time in ISO 8601 format for filtering appointments'
        schema:
          type: string
          format: date-time
          example: '2023-01-01T00:00:00.0000000+00:00'
        example: '2023-01-01T00:00:00.0000000+00:00'
      - name: created-to
        in: query
        description: 'Required: The upper limit for created date and time in ISO 8601 format for filtering appointments'
        schema:
          type: string
          format: date-time
          example: '2023-01-01T00:00:00.0000000+00:00'
        example: '2023-01-01T00:00:00.0000000+00:00'
      - name: negotiator-ids
        in: query
        description: 'Optional: A comma-separated list of negotiator ids for filtering appointments

          NOTE: If not set, this will default to all negotiators in the searched branches'
        schema:
          type: array
          items:
            type: integer
            format: int32
      - name: branch-ids
        in: query
        description: 'Optional: A comma-separated list of branch ids for filtering appointments

          NOTE: If not set, this will default to all branches'
        schema:
          type: array
          items:
            type: integer
            format: int32
      - name: next-token
        in: query
        description: The token for the next page of results.
        schema:
          type: string
      - name: max-results
        in: query
        description: The maximum number of results to return. The default value is 50, and the maximum value is 250.
        schema:
          maximum: 250
          minimum: 1
          type: integer
          format: int32
          example: 50
        example: 50
      - name: AgencyRef
        in: header
        description: ''
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Valuations retrieved.
          content:
            text/plain:
              schema:
                $ref: '#/components/schemas/ExternalPartnerAppointmentPagedResponse'
            application/json:
              schema:
                $ref: '#/components/schemas/ExternalPartnerAppointmentPagedResponse'
            text/json:
              schema:
                $ref: '#/components/schemas/ExternalPartnerAppointmentPagedResponse'
        '400':
          description: Validation error e.g. invalid date range selection.
          content:
            text/plain:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
            application/json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
            text/json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
        '401':
          description: Unauthorized
          content:
            text/plain:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
            application/json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
            text/json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
        '403':
          description: Invalid scope or AgencyRef for request.
          content:
            text/plain:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
            application/json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
            text/json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
      security:
      - appAuth:
        - alto/route:get-appointments-valuations
  /appointments/viewings:
    post:
      tags:
      - Appointments
      summary: Create a viewing appointment.
      description: 'Creates a viewing appointment with the requested applicant and property in a negotiator''s calender.

        Required scope: alto/write:appointments_viewings'
      parameters:
      - name: AgencyRef
        in: header
        description: ''
        required: true
        schema:
          type: string
      requestBody:
        description: The object containing the viewing details.
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ViewingRequest'
          text/json:
            schema:
              $ref: '#/components/schemas/ViewingRequest'
          application/*+json:
            schema:
              $ref: '#/components/schemas/ViewingRequest'
      responses:
        '200':
          description: Returns an object containing the newly created viewing appointment's unique identifier
          content:
            text/plain:
              schema:
                $ref: '#/components/schemas/CreateAppointmentData'
            application/json:
              schema:
                $ref: '#/components/schemas/CreateAppointmentData'
            text/json:
              schema:
                $ref: '#/components/schemas/CreateAppointmentData'
        '400':
          description: Validation error e.g. invalid date range selection.
          content:
            text/plain:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
            application/json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
            text/json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
        '401':
          description: Unauthorized
          content:
            text/plain:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
            application/json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
            text/json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
        '403':
          description: Invalid scope or AgencyRef for request.
          content:
            text/plain:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
            application/json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
            text/json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
        '500':
          description: Internal Server Error
      security:
      - appAuth:
        - alto/route:post-appointments-viewings
  /appointments/viewings/{appointmentId}:
    patch:
      tags:
      - Appointments
      summary: Updates an existing viewing
      description: "Updates a viewing with any of the following fields supported for update:\n- /startDate ie. The start date and time in ISO 8601 format to update against the requested viewing\n- /endDate ie. The end date and time in ISO 8601 format to update against the requested viewing\n- /negotiatorId ie. The unique identifier of the negotiator to be associated with the requested viewing\n- /status ie. When cancelling, the status the requested viewing should be set to\n- /notes ie. The notes to be associated with the requested viewing\n- /internalNotes ie. The internal notes to be associated with the requested viewing\n- /applicantFeedback ie. The applicant feedback to be associated with the requested viewing\n            \nRequired scope: alto/write:appointments_viewings"
      parameters:
      - name: appointmentId
        in: path
        description: The appointment's unique identifier
        required: true
        schema:
          type: integer
          format: int64
      - name: AgencyRef
        in: header
        description: ''
        required: true
        schema:
          type: string
      requestBody:
        description: ''
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ViewingPatchJsonPatchDocument'
          text/json:
            schema:
              $ref: '#/components/schemas/ViewingPatchJsonPatchDocument'
          application/*+json:
            schema:
              $ref: '#/components/schemas/ViewingPatchJsonPatchDocument'
      responses:
        '200':
          description: Returns an object with a flag indicating a successful update
        '400':
          description: Validation error e.g. invalid date range selection or unsupported patch path/value.
          content:
            text/plain:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
            application/json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
            text/json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
        '401':
          description: Unauthorized
          content:
            text/plain:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
            application/json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
            text/json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
        '403':
          description: Invalid scope or AgencyRef for request.
          content:
            text/plain:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
            application/json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
            text/json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
        '404':
          description: Appointment requesting to be updated does not exist against the requested AgencyRef
          content:
            text/plain:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
            application/json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
            text/json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
        '500':
          description: Internal Server Error
      security:
      - appAuth:
        - alto/route:patch-appointments-viewings-appointmentid
components:
  schemas:
    GeneralAppointmentPatchOperation:
      type: object
      properties:
        op:
          enum:
          - replace
          type: string
        value:
          type: string
        path:
          enum:
          - /startDate
          - /endDate
          - /negotiatorIds
          - /status
          type: string
      example: '[ { "path": "/startDate", "op": "replace", "value": "2024-05-27T10:30:00" }, { "path": "/negotiatorIds", "op": "replace", "value": [47141, 48734] }, { "path": "/status", "op": "replace", "value": "CancelledByOffice" } ]'
    ExternalPartnerProperty:
      type: object
      properties:
        id:
          type:
          - string
          - 'null'
          description: The unique identifier of the property
          example: '112233'
        links:
          type:
          - array
          - 'null'
          items:
            $ref: '#/components/schemas/Link'
          description: Links to related property.
      additionalProperties: false
    ExternalPartnerContact:
      type: object
      properties:
        id:
          type:
          - string
          - 'null'
          description: The unique identifier of the contact
          example: '123456'
        links:
          type:
          - array
          - 'null'
          items:
            $ref: '#/components/schemas/Link'
          description: Links to related contact.
      additionalProperties: false
    ViewingPatchJsonPatchDocument:
      type: array
      items:
        $ref: '#/components/schemas/ViewingPatchOperation'
      description: Array of operations to perform
    ExternalPartnerUserAppointments:
      type: object
      properties:
        negotiatorId:
          type: integer
          description: The unique identifier of the negotiator
          format: int32
          example: 67890
        appointments:
          type:
          - array
          - 'null'
          items:
            $ref: '#/components/schemas/ExternalPartnerAppointment'
          description: A collection of appointments belonging to the negotiator; if there are no appointments, then returns an empty collection
      additionalProperties: false
    ViewingPatchOperation:
      type: object
      properties:
        op:
          enum:
          - replace
          type: string
        value:
          type: string
        path:
          enum:
          - /status
          - /startDate
          - /endDate
          - /negotiatorId
          - /notes
          - /applicantFeedback
          - /internalNotes
          type: string
      example: '[ { "path": "/status", "op": "replace", "value": "CancelledByOffice" }, { "path": "/startDate", "op": "replace", "value": "2024-05-27T10:30:00" }, { "path": "/negotiatorId", "op": "replace", "value": 47141 } ]'
    ExternalPartnerAppointment:
      type: object
      properties:
        id:
          type: integer
          description: The unique identifier of the appointment
          format: int64
          example: 76543
        instanceId:
          type: integer
          description: The numeric instance of an appointment; this value is only greater than zero for general appointment types that are marked as recurring and represents the xth instance of a given appointment in a recurring series.
          format: int32
          example: 0
        type:
          enum:
          - Unspecified
          - General
          - Valuation
          - Viewing
          - Communication
          - InternalMessage
          - Offer
          - AgreedOffer
          - Note
          - AuditedChange
          - StickyNote
          - FinancialTransaction
          - Marketing
          - Creation
          - SyncedEmail
          - AccountingTransaction
          - WorkOrderEvent
          - TenancyEvent
          - FollowUp
          - PersonalInformationRequest
          - TdsEvent
          - SigningRequest
          - MaintenanceRequest
          - DocumentSharing
          - ConveyancerReferral
          type: string
          description: The type of the appointment
          example: Viewing
        startDate:
          type: string
          description: The appointment start date and time, returned as a local (UK) diary time with no timezone offset.
          format: date-time
          example: '2024-11-01T14:07:17.0000000+00:00'
        endDate:
          type: string
          description: The appointment end date and time, returned as a local (UK) diary time with no timezone offset.
          format: date-time
          example: '2024-11-01T14:07:17.0000000+00:00'
        createdDate:
          type: string
          description: The appointment's creation date and time in ISO 8601 format
          format: date-time
          example: '2024-11-01T14:07:17.0000000+00:00'
        modifiedDate:
          type: string
          description: The appointment's last modified date and time in ISO 8601 format
          format: date-time
          example: '2024-11-01T14:07:17.0000000+00:00'
        title:
          type:
          - string
          - 'null'
          description: The title of the appointment. For general appointments this refers to the appointment entry type
          example: FS appointment
        status:
          enum:
          - Unspecified
          - NotYetBooked
          - Active
          - CancelledByOffice
          - CancelledByOwner
          - CancelledByApplicant
          - CancelledByContact
          type: string
          description: The status of the appointment
          example: Active
        isCancelled:
          type: boolean
          description: Indicates whether the appointment has a cancelled status; An appointment is only cancelled if the appointment status is not set to either Active or NotYetBooked
          example: false
        negotiators:
          type:
          - array
          - 'null'
          items:
            $ref: '#/components/schemas/ExternalPartnerNegotiator'
          description: A collection of negotiators associated with the appointment; if there are no negotiators, then returns an empty collection
        properties:
          type:
          - array
          - 'null'
          items:
            $ref: '#/components/schemas/ExternalPartnerProperty'
          description: A collection of properties that are associated with the appointment; if there are no properties, then returns an empty collection
        contacts:
          type:
          - array
          - 'null'
          items:
            $ref: '#/components/schemas/ExternalPartnerContact'
          description: A collection of contacts that are associated with the appointment; if there are no contacts, then returns an empty collection
        viewingDetails:
          $ref: '#/components/schemas/ExternalPartnerViewingDetails'
      additionalProperties: false
    ProblemDetails:
      type: object
      properties:
        type:
          type:
          - string
          - 'null'
        title:
          type:
          - string
          - 'null'
        status:
          type:
          - integer
          - 'null'
          format: int32
        detail:
          type:
          - string
          - 'null'
        instance:
          type:
          - string
          - 'null'
      additionalProperties: {}
    Link:
      type: object
      properties:
        href:
          type:
          - string
          - 'null'
        rel:
          type:
          - string
          - 'null'
      additionalProperties: false
    ExternalPartnerViewingDetails:
      type: object
    

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# Full source: https://raw.githubusercontent.com/api-evangelist/alto-vebra/refs/heads/main/openapi/alto-vebra-appointments-api-openapi.yml