CVAT Labels API

Label taxonomy shared across projects, tasks, and jobs.

Operations 4

GET /api/labels List labels #
GET /api/labels/{id} Get label details #
PATCH /api/labels/{id} Update a label #
DELETE /api/labels/{id} Delete a label #

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OpenAPI Specification

cvat-labels-api-openapi.yml Raw ↑
openapi: 3.2.0
info:
  title: CVAT REST Labels API
  version: 2.79.0 (2.0)
  description: REST API for Computer Vision Annotation Tool (CVAT)
  termsOfService: https://www.google.com/policies/terms/
  contact:
    name: CVAT.ai team
    url: https://github.com/cvat-ai/cvat
    email: support@cvat.ai
  license:
    name: MIT License
    url: https://en.wikipedia.org/wiki/MIT_License
tags:
- name: Labels
paths:
  /api/labels:
    get:
      operationId: labels_list
      summary: List labels
      parameters:
      - in: header
        name: X-Organization
        schema:
          type: string
        description: 'Organization unique slug.

          If omitted, results from all organizations available to the user are returned

          (unfiltered). An empty value ("") selects the personal sandbox workspace only.

          A non-empty value selects that organization.

          '
      - name: color
        in: query
        description: A simple equality filter for the color field
        schema:
          type: string
      - name: filter
        required: false
        in: query
        description: "\nJSON Logic filter. This filter can be used to perform complex filtering by grouping rules.\n\nFor example, using such a filter you can get all resources created by you:\n\n    - {\"and\":[{\"==\":[{\"var\":\"owner\"},\"<user>\"]}]}\n\nDetails about the syntax used can be found at the link: https://jsonlogic.com/\n\n Available filter_fields: ['color', 'id', 'name', 'parent', 'parent_id', 'type']."
        schema:
          type: string
      - in: query
        name: job_id
        schema:
          type: integer
        description: A simple equality filter for job id
      - name: name
        in: query
        description: A simple equality filter for the name field
        schema:
          type: string
      - in: query
        name: org
        schema:
          type: string
        description: 'Organization unique slug.

          If omitted, results from all organizations available to the user are returned

          (unfiltered). An empty value ("") selects the personal sandbox workspace only.

          A non-empty value selects that organization.

          '
      - in: query
        name: org_id
        schema:
          type: integer
        description: 'Organization unique id.

          If omitted, results from all organizations available to the user are returned

          (unfiltered). An empty value ("") selects the personal sandbox workspace only.

          A positive integer selects that organization.

          '
      - name: page
        required: false
        in: query
        description: A page number within the paginated result set.
        schema:
          type: integer
      - name: page_size
        required: false
        in: query
        description: Number of results to return per page.
        schema:
          type: integer
      - name: parent
        in: query
        description: A simple equality filter for the parent field
        schema:
          type: string
      - name: parent_id
        in: query
        description: A simple equality filter for the parent_id field
        schema:
          type: integer
      - in: query
        name: project_id
        schema:
          type: integer
        description: A simple equality filter for project id
      - name: search
        required: false
        in: query
        description: 'A search term. Available search_fields: [''name'', ''parent'']'
        schema:
          type: string
      - name: sort
        required: false
        in: query
        description: 'Which field to use when ordering the results. Available ordering_fields: [''color'', ''id'', ''name'', ''parent'', ''parent_id'', ''type'']'
        schema:
          type: string
      - in: query
        name: task_id
        schema:
          type: integer
        description: A simple equality filter for task id
      - name: type
        in: query
        description: A simple equality filter for the type field
        schema:
          type: string
          enum:
          - any
          - cuboid
          - ellipse
          - mask
          - points
          - polygon
          - polyline
          - rectangle
          - skeleton
          - interval
          - tag
      tags:
      - Labels
      security:
      - tokenAuth: []
      - accessTokenAuth: []
      - sessionAuth: []
        csrfAuth: []
        csrfHeaderAuth: []
      - basicAuth: []
      responses:
        '200':
          content:
            application/vnd.cvat+json:
              schema:
                $ref: '#/components/schemas/PaginatedLabelList'
          description: ''
  /api/labels/{id}:
    get:
      operationId: labels_retrieve
      summary: Get label details
      parameters:
      - in: path
        name: id
        schema:
          type: integer
        description: A unique integer value identifying this label.
        required: true
      tags:
      - Labels
      security:
      - tokenAuth: []
      - accessTokenAuth: []
      - sessionAuth: []
        csrfAuth: []
        csrfHeaderAuth: []
      - basicAuth: []
      responses:
        '200':
          content:
            application/vnd.cvat+json:
              schema:
                $ref: '#/components/schemas/Label'
          description: ''
    patch:
      operationId: labels_partial_update
      description: To modify a sublabel, please use the PATCH method of the parent label.
      summary: Update a label
      parameters:
      - in: path
        name: id
        schema:
          type: integer
        description: A unique integer value identifying this label.
        required: true
      tags:
      - Labels
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/PatchedLabelRequest'
      security:
      - tokenAuth: []
      - accessTokenAuth: []
      - sessionAuth: []
        csrfAuth: []
        csrfHeaderAuth: []
      - basicAuth: []
      responses:
        '200':
          content:
            application/vnd.cvat+json:
              schema:
                $ref: '#/components/schemas/Label'
          description: ''
    delete:
      operationId: labels_destroy
      description: To delete a sublabel, please use the PATCH method of the parent label.
      summary: Delete a label
      parameters:
      - in: path
        name: id
        schema:
          type: integer
        description: A unique integer value identifying this label.
        required: true
      tags:
      - Labels
      security:
      - tokenAuth: []
      - accessTokenAuth: []
      - sessionAuth: []
        csrfAuth: []
        csrfHeaderAuth: []
      - basicAuth: []
      responses:
        '204':
          description: The label has been deleted
components:
  schemas:
    InputTypeEnum:
      enum:
      - checkbox
      - radio
      - number
      - text
      - select
      type: string
      description: '* `checkbox` - CHECKBOX

        * `radio` - RADIO

        * `number` - NUMBER

        * `text` - TEXT

        * `select` - SELECT'
    Sublabel:
      type: object
      properties:
        id:
          type: integer
        name:
          type: string
          maxLength: 64
        color:
          type: string
          description: The hex value for the RGB color. Will be generated automatically, unless specified explicitly.
        attributes:
          type: array
          items:
            $ref: '#/components/schemas/Attribute'
          default: []
          description: The list of attributes. To remove an attribute, pass the full attribute body with deleted=true. Related annotation attribute values will be deleted.
        type:
          allOf:
          - $ref: '#/components/schemas/LabelType'
          description: 'Associated annotation type for this label


            * `any` - ANY

            * `cuboid` - CUBOID

            * `ellipse` - ELLIPSE

            * `mask` - MASK

            * `points` - POINTS

            * `polygon` - POLYGON

            * `polyline` - POLYLINE

            * `rectangle` - RECTANGLE

            * `skeleton` - SKELETON

            * `interval` - INTERVAL

            * `tag` - TAG'
        has_parent:
          type: boolean
      required:
      - name
    PaginatedLabelList:
      type: object
      required:
      - count
      - results
      properties:
        count:
          type: integer
          example: 123
        next:
          type:
          - string
          - 'null'
          format: uri
          example: http://api.example.org/accounts/?page=4
        previous:
          type:
          - string
          - 'null'
          format: uri
          example: http://api.example.org/accounts/?page=2
        results:
          type: array
          items:
            $ref: '#/components/schemas/Label'
    AttributeRequest:
      type: object
      properties:
        id:
          type: integer
        name:
          type: string
          minLength: 1
          maxLength: 64
        mutable:
          type: boolean
        input_type:
          $ref: '#/components/schemas/InputTypeEnum'
        default_value:
          type: string
          maxLength: 128
        values:
          type: array
          items:
            type: string
            maxLength: 200
        deleted:
          type: boolean
          writeOnly: true
          description: Delete the attribute and all related annotation values.
      required:
      - input_type
      - mutable
      - name
      - values
    PatchedLabelRequest:
      type: object
      properties:
        id:
          type: integer
        name:
          type: string
          minLength: 1
          maxLength: 64
        color:
          type: string
          description: The hex value for the RGB color. Will be generated automatically, unless specified explicitly.
        attributes:
          type: array
          items:
            $ref: '#/components/schemas/AttributeRequest'
          default: []
          description: The list of attributes. To remove an attribute, pass the full attribute body with deleted=true. Related annotation attribute values will be deleted.
        deleted:
          type: boolean
          writeOnly: true
          description: Delete the label. Only applicable in the PATCH methods of a project or a task.
        type:
          allOf:
          - $ref: '#/components/schemas/LabelType'
          description: 'Associated annotation type for this label


            * `any` - ANY

            * `cuboid` - CUBOID

            * `ellipse` - ELLIPSE

            * `mask` - MASK

            * `points` - POINTS

            * `polygon` - POLYGON

            * `polyline` - POLYLINE

            * `rectangle` - RECTANGLE

            * `skeleton` - SKELETON

            * `interval` - INTERVAL

            * `tag` - TAG'
        svg:
          type: string
        sublabels:
          type: array
          items:
            $ref: '#/components/schemas/SublabelRequest'
    Label:
      type: object
      properties:
        id:
          type: integer
        name:
          type: string
          maxLength: 64
        color:
          type: string
          description: The hex value for the RGB color. Will be generated automatically, unless specified explicitly.
        attributes:
          type: array
          items:
            $ref: '#/components/schemas/Attribute'
          default: []
          description: The list of attributes. To remove an attribute, pass the full attribute body with deleted=true. Related annotation attribute values will be deleted.
        type:
          allOf:
          - $ref: '#/components/schemas/LabelType'
          description: 'Associated annotation type for this label


            * `any` - ANY

            * `cuboid` - CUBOID

            * `ellipse` - ELLIPSE

            * `mask` - MASK

            * `points` - POINTS

            * `polygon` - POLYGON

            * `polyline` - POLYLINE

            * `rectangle` - RECTANGLE

            * `skeleton` - SKELETON

            * `interval` - INTERVAL

            * `tag` - TAG'
        svg:
          type: string
        sublabels:
          type: array
          items:
            $ref: '#/components/schemas/Sublabel'
        project_id:
          type:
          - integer
          - 'null'
          readOnly: true
        task_id:
          type:
          - integer
          - 'null'
          readOnly: true
        parent_id:
          type:
          - integer
          - 'null'
          readOnly: true
        has_parent:
          type: boolean
          readOnly: true
      required:
      - name
    SublabelRequest:
      type: object
      properties:
        id:
          type: integer
        name:
          type: string
          minLength: 1
          maxLength: 64
        color:
          type: string
          description: The hex value for the RGB color. Will be generated automatically, unless specified explicitly.
        attributes:
          type: array
          items:
            $ref: '#/components/schemas/AttributeRequest'
          default: []
          description: The list of attributes. To remove an attribute, pass the full attribute body with deleted=true. Related annotation attribute values will be deleted.
        type:
          allOf:
          - $ref: '#/components/schemas/LabelType'
          description: 'Associated annotation type for this label


            * `any` - ANY

            * `cuboid` - CUBOID

            * `ellipse` - ELLIPSE

            * `mask` - MASK

            * `points` - POINTS

            * `polygon` - POLYGON

            * `polyline` - POLYLINE

            * `rectangle` - RECTANGLE

            * `skeleton` - SKELETON

            * `interval` - INTERVAL

            * `tag` - TAG'
        has_parent:
          type: boolean
      required:
      - name
    Attribute:
      type: object
      properties:
        id:
          type: integer
        name:
          type: string
          maxLength: 64
        mutable:
          type: boolean
        input_type:
          $ref: '#/components/schemas/InputTypeEnum'
        default_value:
          type: string
          maxLength: 128
        values:
          type: array
          items:
            type: string
            maxLength: 200
      required:
      - input_type
      - mutable
      - name
      - values
    LabelType:
      enum:
      - any
      - cuboid
      - ellipse
      - mask
      - points
      - polygon
      - polyline
      - rectangle
      - skeleton
      - interval
      - tag
      type: string
      description: '* `any` - ANY

        * `cuboid` - CUBOID

        * `ellipse` - ELLIPSE

        * `mask` - MASK

        * `points` - POINTS

        * `polygon` - POLYGON

        * `polyline` - POLYLINE

        * `rectangle` - RECTANGLE

        * `skeleton` - SKELETON

        * `interval` - INTERVAL

        * `tag` - TAG'
  securitySchemes:
    accessTokenAuth:
      type: http
      scheme: bearer
      description: 'To authenticate using an API Access token, you need to include

        the ''Authentication'' header with the ''Bearer '' prefix


        An API Access token has to be issued in the user profile section of the UI or

        via the /auth/access_tokens API before this authentication method can be used.

        '
    basicAuth:
      type: http
      scheme: basic
    csrfAuth:
      type: apiKey
      in: cookie
      name: csrftoken
      description: 'A CSRF protection token. Can be received in the ''csrftoken'' cookie in the

        server response on the /api/auth/login endpoint. The ''Origin'' header

        must also be specified in the request.

        '
    csrfHeaderAuth:
      type: apiKey
      in: header
      name: X-CSRFToken
      description: 'A CSRF protection token. Can be received in the ''csrftoken'' cookie in the

        server response on the /api/auth/login endpoint. The ''Origin'' header

        must also be specified in the request.

        '
    sessionAuth:
      type: apiKey
      in: cookie
      name: sessionid
    tokenAuth:
      type: apiKey
      in: header
      name: Authorization
      description: 'Deprecated.


        You can obtain an API key (the token) from the server response on

        the /api/auth/login/ endpoint.

        '
      x-token-prefix: Token
externalDocs:
  description: CVAT documentation
  url: https://docs.cvat.ai/docs/
x-provenance:
  method: harvested
  publisher: CVAT
  source: https://app.cvat.ai/api/schema/
  note: split by refine-openapis from the provider's own published document, verified by fetch (openapi/_original/*.fetch.json);
    stamped by stamp-openapi-provenance.py (roadmap#793)