openapi: 3.1.0
info:
  title: Todoist Comments Labels API
  description: The Todoist API v1 provides programmatic access to task management, projects, sections, labels, reminders, comments, workspaces, and more. Supports OAuth 2.0 and personal API tokens. Includes incremental sync via the /sync endpoint.
  version: '1.0'
  contact:
    name: Todoist Developer Support
    url: https://developer.todoist.com/
  termsOfService: https://doist.com/terms-of-service
  license:
    name: Todoist API Terms
    url: https://developer.todoist.com/
servers:
- url: https://api.todoist.com/api/v1
  description: Production
security:
- bearerAuth: []
tags:
- name: Labels
  description: Label management operations
paths:
  /labels:
    get:
      operationId: listLabels
      summary: List Labels
      description: Returns all personal labels for the authenticated user.
      tags:
      - Labels
      responses:
        '200':
          description: List of labels
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/Label'
    post:
      operationId: createLabel
      summary: Create Label
      description: Creates a new personal label.
      tags:
      - Labels
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CreateLabelRequest'
      responses:
        '200':
          description: Created label
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Label'
  /labels/{id}:
    get:
      operationId: getLabel
      summary: Get Label
      description: Returns a single label by ID.
      tags:
      - Labels
      parameters:
      - name: id
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Label details
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Label'
    post:
      operationId: updateLabel
      summary: Update Label
      description: Updates a label's properties.
      tags:
      - Labels
      parameters:
      - name: id
        in: path
        required: true
        schema:
          type: string
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                name:
                  type: string
                color:
                  type: string
                order:
                  type: integer
                is_favorite:
                  type: boolean
      responses:
        '200':
          description: Updated label
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Label'
    delete:
      operationId: deleteLabel
      summary: Delete Label
      description: Deletes a label permanently.
      tags:
      - Labels
      parameters:
      - name: id
        in: path
        required: true
        schema:
          type: string
      responses:
        '204':
          description: Label deleted
components:
  schemas:
    CreateLabelRequest:
      type: object
      required:
      - name
      properties:
        name:
          type: string
        order:
          type: integer
        color:
          type: string
        is_favorite:
          type: boolean
    Label:
      type: object
      properties:
        id:
          type: string
        name:
          type: string
        color:
          type: string
        order:
          type: integer
        is_favorite:
          type: boolean
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      description: Personal API token or OAuth 2.0 access token