> ## Documentation Index
> Fetch the complete documentation index at: https://developer.box.com/llms.txt
> Use this file to discover all available pages before exploring further.

# List shuttle subject mappings

> Returns a paginated list of subject mappings for the shuttle job identified by `job_id`.

> [!NOTE]
>
> Learn more about [Box SDK versioning strategy](https://developer.box.com/guides/tooling/sdks/sdk-versioning.md).


## OpenAPI

````yaml box-openapi-v2026.0.json GET /shuttle_subject_mappings
openapi: 3.0.2
info:
  title: Box Platform API
  description: >-
    [Box Platform](https://developer.box.com) provides functionality to provide
    access to content stored within [Box](https://box.com). It provides
    endpoints for basic manipulation of files and folders, management of users
    within an enterprise, as well as more complex topics such as legal holds and
    retention policies.
  termsOfService: https://cloud.app.box.com/s/rmwxu64h1ipr41u49w3bbuvbsa29wku9
  contact:
    name: Box, Inc
    url: https://developer.box.com
    email: devrel@box.com
  license:
    name: Apache-2.0
    url: https://www.apache.org/licenses/LICENSE-2.0
  version: '2026.0'
  x-box-commit-hash: da48f6b132
servers:
  - url: https://api.box.com/2.0
    description: Box Platform API server.
security:
  - OAuth2Security: []
tags:
  - name: Automate Workflows
    description: Endpoints for listing and manually starting Automate workflow actions.
    x-box-tag: automate_workflows
  - name: Convert to Box Note
    description: Create Box Notes from supported source content (for example Markdown).
    x-box-tag: notes
  - name: Document Split
    description: >-
      A set of endpoints used to split a paginated source document into multiple
      files based on user-defined or AI-generated page ranges.
    x-box-tag: document_split
  - name: Query
    description: Query for your items.
    x-box-tag: query
  - name: Shuttle
    description: >-
      Endpoints for managing Box Shuttle, the service that migrates content into
      Box from external sources. Use these endpoints to manage the systems that
      Shuttle migrates content from and the migration jobs that Shuttle runs.
    x-box-tag: shuttle
externalDocs:
  description: Box Developer Documentation.
  url: https://developer.box.com
paths:
  /shuttle_subject_mappings:
    get:
      tags:
        - Shuttle
      summary: List shuttle subject mappings
      description: >-
        Returns a paginated list of subject mappings for the shuttle job
        identified by `job_id`.
      operationId: get_shuttle_subject_mappings_v2026.0
      parameters:
        - $ref: '#/components/parameters/BoxVersionHeader'
        - name: job_id
          in: query
          description: >-
            The unique identifier of the shuttle job whose subject mappings to
            list.
          required: true
          schema:
            type: string
          example: 6a3ba68e810d9156194530a1
        - name: marker
          in: query
          description: >-
            Defines the position marker at which to begin returning results.
            This is used when paginating using marker-based pagination.


            This requires `usemarker` to be set to `true`.
          required: false
          schema:
            type: string
          example: JV9IRGZmieiBasejOG9yDCRNgd2ymoZIbjsxbJMjIs3kioVii
        - name: limit
          in: query
          description: The maximum number of items to return per page.
          required: false
          schema:
            type: integer
            format: int64
            maximum: 1000
          example: 1000
      responses:
        '200':
          description: Returns a paginated list of shuttle subject mappings.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ShuttleSubjectMappings'
        '400':
          description: >-
            Returned when `job_id` is missing or the user has passed in a
            malformed `marker` or `limit` value.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ClientError'
        '401':
          description: >-
            Returned when the access token provided in the `Authorization`
            header is not recognized or not provided.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ClientError'
        '403':
          description: >-
            Returned when the authenticated user is not an admin or co-admin
            with permission to manage enterprise properties.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ClientError'
        '404':
          description: >-
            Returned when the shuttle job is not found or the user does not have
            access to it.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ClientError'
        '429':
          description: >-
            Returned when the user has sent too many requests in a given amount
            of time.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ClientError'
        default:
          description: An unexpected client error.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ClientError'
components:
  parameters:
    BoxVersionHeader:
      name: box-version
      in: header
      description: Version header.
      allowEmptyValue: false
      required: true
      schema:
        type: string
        enum:
          - '2026.0'
      example: '2026.0'
  schemas:
    ShuttleSubjectMappings:
      description: A paginated list of shuttle subject mappings.
      type: object
      allOf:
        - required:
            - entries
          properties:
            entries:
              description: A list of shuttle subject mappings.
              type: array
              items:
                $ref: '#/components/schemas/ShuttleSubjectMapping'
        - type: object
          description: The part of an API response that describes marker based pagination.
          properties:
            limit:
              description: >-
                The limit that was used for these entries. This will be the same
                as the `limit` query parameter unless that value exceeded the
                maximum value allowed. The maximum value varies by API.
              type: integer
              format: int64
              example: 1000
            next_marker:
              description: The marker for the start of the next page of results.
              type: string
              example: JV9IRGZmieiBasejOG9yDCRNgd2ymoZIbjsxbJMjIs3kioVii
              nullable: true
            prev_marker:
              description: The marker for the start of the previous page of results.
              type: string
              example: JV9IRGZmieiBasejOG9yDCRNgd2ymoZIbjsxbJMjIs3kioVih
              nullable: true
      title: Shuttle subject mappings
      x-box-resource-id: shuttle_subject_mappings_v2026.0
      x-box-tag: shuttle
    ClientError:
      description: A generic error.
      type: object
      properties:
        type:
          description: The value will always be `error`.
          type: string
          example: error
          enum:
            - error
          nullable: false
        status:
          description: The HTTP status of the response.
          type: integer
          format: int32
          example: 400
          nullable: false
        code:
          description: A Box-specific error code.
          type: string
          example: item_name_invalid
          enum:
            - created
            - accepted
            - no_content
            - redirect
            - not_modified
            - bad_request
            - unauthorized
            - forbidden
            - not_found
            - method_not_allowed
            - conflict
            - precondition_failed
            - too_many_requests
            - internal_server_error
            - unavailable
            - item_name_invalid
            - insufficient_scope
        message:
          description: A short message describing the error.
          type: string
          example: Method Not Allowed
          nullable: false
        context_info:
          description: >-
            A free-form object that contains additional context about the error.
            The possible fields are defined on a per-endpoint basis. `message`
            is only one example.
          type: object
          example:
            message: Something went wrong
          additionalProperties: {}
          nullable: true
        help_url:
          description: A URL that links to more information about why this error occurred.
          type: string
          example: >-
            https://developer.box.com/guides/api-calls/permissions-and-errors/common-errors/
          nullable: false
        request_id:
          description: >-
            A unique identifier for this response, which can be used when
            contacting Box support.
          type: string
          example: abcdef123456
          nullable: false
      title: Client error
      x-box-resource-id: client_error_v2026.0
    ShuttleSubjectMapping:
      description: >-
        A standard representation of a shuttle subject mapping. A subject
        mapping connects a discovered source subject to a Box user or group, or
        marks the subject as skipped.
      type: object
      properties:
        id:
          description: The unique identifier for the shuttle subject mapping.
          type: string
          example: 6a3ba7b12ea17bc9461eeace
        type:
          description: The value will always be `shuttle_subject_mapping`.
          type: string
          example: shuttle_subject_mapping
          enum:
            - shuttle_subject_mapping
        job_id:
          description: The unique identifier of the shuttle job this mapping belongs to.
          type: string
          example: 6a3ba68e810d9156194530a1
        discovered_subject_id:
          description: >-
            The unique identifier of the discovered subject this mapping applies
            to. `null` for legacy mappings created before this field was
            tracked.
          type: string
          example: 6a3ba7c02ea17bc9461eeacf
          nullable: true
        revision:
          description: >-
            The discovery-requirements revision this mapping was resolved
            against. `null` for legacy mappings.
          type: integer
          format: int32
          example: 3
          nullable: true
        is_subject_skipped:
          description: Whether this subject is skipped during the migration.
          type: boolean
          example: false
        source:
          allOf:
            - $ref: '#/components/schemas/ShuttleSubject'
            - description: The source subject being mapped.
        target:
          description: >-
            The Box target subject. `null` when the subject is skipped or not
            yet assigned.
          example:
            type: user
            id: '12345678'
            email: jane.doe@company.box.com
            name: Jane Doe
          oneOf:
            - $ref: '#/components/schemas/ShuttleTargetSubject'
            - title: OpenAPI 3.0 null schema type
              description: The definition for a null schema type in OpenAPI `3.0`.
              type: object
              nullable: true
              additionalProperties: false
      required:
        - id
        - type
        - job_id
        - is_subject_skipped
        - source
      title: Shuttle subject mapping
      x-box-resource-id: shuttle_subject_mapping_v2026.0
      x-box-tag: shuttle
    ShuttleSubject:
      description: >-
        A subject discovered on the source migration system, such as a user or
        group.
      type: object
      properties:
        type:
          description: Whether this subject is a user or a group.
          type: string
          example: user
          enum:
            - user
            - group
        id:
          description: >-
            The platform-native identifier of the subject. `null` when the
            system does not provide one.
          type: string
          example: sp-user-001
          nullable: true
        email:
          description: The email address of the subject. `null` when unknown.
          type: string
          example: user@example.com
          nullable: true
        name:
          description: The display name of the subject. `null` when unknown.
          type: string
          example: Jane Doe
          nullable: true
        roles:
          description: >-
            Roles this subject holds on the source. `null` when no roles are
            known.
          type: array
          items:
            $ref: '#/components/schemas/ShuttleSubjectRole'
          example:
            - owner
          nullable: true
      required:
        - type
      title: Shuttle subject
      x-box-resource-id: shuttle_subject_v2026.0
      x-box-tag: shuttle
    ShuttleTargetSubject:
      description: A Box user or group that a source subject is mapped to.
      type: object
      properties:
        type:
          description: Whether the Box target is a user or a group.
          type: string
          example: user
          enum:
            - user
            - group
        id:
          description: >-
            The Box user or group ID. `null` when the mapping was not created
            through this API and is identified by email (user) or name (group)
            instead. Skip is represented by `target: null`, not a missing `id`.
            Create and update always send `id`.
          type: string
          example: '12345678'
          nullable: true
        email:
          description: The email address of the target. `null` when unknown.
          type: string
          example: user@example.com
          nullable: true
        name:
          description: The display name of the target. `null` when unknown.
          type: string
          example: Jane Doe
          nullable: true
      required:
        - type
      title: Shuttle target subject
      x-box-resource-id: shuttle_target_subject_v2026.0
      x-box-tag: shuttle
    ShuttleSubjectRole:
      description: A role a source subject holds on the source system.
      type: string
      example: owner
      enum:
        - owner
        - creator
        - updater
        - namespace_account
        - sharee
        - account_holder
        - unknown
      title: Shuttle subject role
      x-box-tag: shuttle
  securitySchemes:
    OAuth2Security:
      type: oauth2
      description: >-
        The access token received from the authorization server in the OAuth 2.0
        flow.
      flows:
        authorizationCode:
          authorizationUrl: https://account.box.com/api/oauth2/authorize
          tokenUrl: https://api.box.com/oauth2/token
          scopes:
            root_readonly: Read all files and folders stored in Box
            root_readwrite: Read and write all files and folders stored in Box
            manage_app_users: Provision and manage app users
            manage_managed_users: Provision and manage managed users
            manage_groups: Manage an enterprise's groups
            manage_webhook: Create webhooks programmatically through the API
            manage_enterprise_properties: Manage enterprise properties
            manage_data_retention: Manage data retention polices
            manage_legal_hold: Manage Legal Holds

````