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OpenAPI Specification

openapi: 3.2.0
info:
  version: V3
  title: Optimizely CMP Open API Documentation Milestones API
servers:
- url: https://api.cmp.optimizely.com/v3
  description: v3 version of Optimizely CMP Open API
security:
- OAuth2:
  - openid
  - profile
  - offline_access
tags:
- name: Milestones
paths:
  /milestones:
    get:
      operationId: listMilestones
      tags:
      - Milestones
      summary: GET /milestones
      description: <span style="background-color:#e95f6a;padding:5px;border-radius:5px">Experimental</span> Get a list of milestones.
      parameters:
      - name: campaign_id
        in: query
        schema:
          type:
          - string
          - 'null'
          description: Filter milestones by campaign association. When a campaign ID is provided, returns only milestones associated with that campaign. When explicitly set to `null`, returns only milestones not associated with any campaign. When omitted, returns all milestones regardless of campaign association.
        example: 63f1c2b675be4132854d2742
      - name: due_date__from
        in: query
        schema:
          type: string
          format: date-time
          description: Filter milestones with due date from this date, in ISO 8601 UTC format
        example: '2023-10-01T00:00:00Z'
      - name: due_date__to
        in: query
        schema:
          type: string
          format: date-time
          description: Filter milestones with due date up to this date, in ISO 8601 UTC format
        example: '2023-10-31T23:59:59Z'
      - $ref: '#/components/parameters/offset'
      - $ref: '#/components/parameters/page_size'
      responses:
        '200':
          description: List of fetched milestones
          content:
            application/json:
              schema:
                type: object
                additionalProperties: false
                properties:
                  data:
                    description: List of milestones
                    type: array
                    items:
                      $ref: '#/components/schemas/MilestoneResponse'
                  pagination:
                    allOf:
                    - $ref: '#/components/schemas/Pagination'
                    - type: object
                      properties:
                        next:
                          type:
                          - string
                          - 'null'
                          example: https://api.cmp.optimizely.com/v3/milestones?offset=10&page_size=10
                required:
                - data
                - pagination
        '401':
          $ref: '#/components/responses/Unauthorized'
        '403':
          $ref: '#/components/responses/Forbidden'
    post:
      operationId: createMilestone
      tags:
      - Milestones
      summary: POST /milestones
      description: <span style="background-color:#e95f6a;padding:5px;border-radius:5px">Experimental</span> Creates a milestone. Defaults to the organization's campaign if campaign_id is omitted. Tasks are validated against the selected campaign and must belong to it.
      requestBody:
        description: Payload to create a milestone
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/MilestoneCreateRequest'
      responses:
        '201':
          description: Created milestone
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/MilestoneResponse'
        '400':
          $ref: '#/components/responses/ClientError'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '403':
          $ref: '#/components/responses/Forbidden'
        '404':
          $ref: '#/components/responses/NotFound'
  /milestones/{id}:
    get:
      operationId: getMilestone
      tags:
      - Milestones
      summary: GET /milestones/{id}
      description: <span style="background-color:#e95f6a;padding:5px;border-radius:5px">Experimental</span> Get a milestone by ID.
      parameters:
      - name: id
        in: path
        required: true
        schema:
          type: string
          description: Unique identifier of the milestone
        example: 63f1c2b675be4132854d2741
      responses:
        '200':
          description: Details of the milestone
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/MilestoneResponse'
        '400':
          $ref: '#/components/responses/ClientError'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '403':
          $ref: '#/components/responses/Forbidden'
        '404':
          $ref: '#/components/responses/NotFound'
    patch:
      operationId: updateMilestone
      tags:
      - Milestones
      summary: PATCH /milestones/{id}
      description: '<span style="background-color:#e95f6a;padding:5px;border-radius:5px">Experimental</span> Updates a milestone. All fields are optional. Only provided fields will be updated. Note: If tasks array is empty, it will remove all task associations for that milestone.'
      parameters:
      - name: id
        in: path
        required: true
        schema:
          type: string
          description: Unique identifier of the milestone
        example: 63f1c2b675be4132854d2741
      requestBody:
        description: Payload to update a milestone
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/MilestoneUpdateRequest'
      responses:
        '200':
          description: Updated milestone
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/MilestoneResponse'
        '400':
          $ref: '#/components/responses/ClientError'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '403':
          $ref: '#/components/responses/Forbidden'
        '404':
          $ref: '#/components/responses/NotFound'
        '422':
          $ref: '#/components/responses/UnprocessableEntity'
components:
  schemas:
    Error:
      type: object
      additionalProperties: true
      description: Error payload
      properties:
        message:
          type: string
          description: Message describing the error
          example: Not found
        errors:
          type: object
          description: Additional information
          additionalProperties: true
          properties: {}
      required:
      - message
    MilestoneUpdateRequest:
      type: object
      additionalProperties: false
      properties:
        title:
          type: string
          description: Title of the milestone. This should be between 1 and 80 characters.
          example: Q1 Product Launch
          minLength: 1
          maxLength: 80
        description:
          type:
          - string
          - 'null'
          description: Description of the milestone. If provided, this should be between 1 and 250 characters.
          example: Complete all tasks for the Q1 product launch
          minLength: 1
          maxLength: 250
        campaign_id:
          type: string
          description: Id of the campaign to be associated with the milestone
          example: 63f1c2b675be4132854d2741
        due_date:
          type: string
          format: date-time
          description: Date and time on which the milestone will expire, in ISO 8601 UTC format
          example: '2023-10-07T13:15:30Z'
        hex_color:
          type: string
          description: Hex color code for the milestone label
          example: '#4ECFD5'
        tasks:
          type: array
          description: List of tasks to be associated with the milestone. This can be an empty array, but in that case it will remove all task associations for that milestone.
          items:
            type: object
            properties:
              id:
                type: string
                description: Task ID
            required:
            - id
          example:
          - id: 63f1c2b675be4132854d2741
          - id: 63f1c2b675be4132854d2742
    MilestoneResponse:
      type: object
      additionalProperties: false
      properties:
        id:
          type: string
          description: Unique identifier of the milestone
          example: 63f1c2b675be4132854d2741
        title:
          type: string
          description: Title of the milestone
          example: Sample Milestone
        color:
          type: string
          description: Color of the milestone label
          example: '#4ECFD5'
        description:
          type:
          - string
          - 'null'
          description: Description of the milestone
          example: This is a milestone
        due_date:
          type: string
          format: date-time
          description: Date and time on which the milestone will expire, in ISO 8601 UTC format
          example: '2023-10-07T13:15:30Z'
        campaign:
          type:
          - object
          - 'null'
          description: Campaign associated with the milestone
          additionalProperties: false
          properties:
            id:
              type: string
              description: Unique identifier of the campaign
              example: 63f1c2b675be4132854d2742
          required:
          - id
        links:
          type: object
          additionalProperties: false
          description: Meta links
          properties:
            self:
              type: string
              description: URL of the milestone
              example: https://api.cmp.optimizely.com/v3/milestones/63f1c2b675be4132854d2741
          required:
          - self
      required:
      - id
      - title
      - color
      - description
      - due_date
      - campaign
      - links
    Pagination:
      type: object
      additionalProperties: false
      description: Pagination related information
      properties:
        next:
          type:
          - string
          - 'null'
          description: URL to the next page
          example: https://api.cmp.optimizely.com/<some-path-to-next-page>?offset=10&page_size=10
        previous:
          type:
          - string
          - 'null'
          description: URL to the previous page
          example: null
      required:
      - next
      - previous
    MilestoneCreateRequest:
      type: object
      additionalProperties: false
      properties:
        title:
          type: string
          description: Title of the milestone. This should be between 1 and 80 characters.
          example: Q1 Product Launch
          minLength: 1
          maxLength: 80
        description:
          type:
          - string
          - 'null'
          description: Description of the milestone. If provided, this should be between 1 and 250 characters.
          example: Complete all tasks for the Q1 product launch
          minLength: 1
          maxLength: 250
        campaign_id:
          type: string
          description: Id of the campaign to be associated with the milestone
          example: 63f1c2b675be4132854d2741
        due_date:
          type: string
          format: date-time
          description: Date and time on which the milestone will expire, in ISO 8601 UTC format
          example: '2023-10-07T13:15:30Z'
        hex_color:
          type: string
          description: Hex color code for the milestone label
          example: '#4ECFD5'
        tasks:
          type: array
          description: List of tasks to be associated with the milestone
          items:
            type: object
            properties:
              id:
                type: string
                description: Task ID
            required:
            - id
          example:
          - id: 63f1c2b675be4132854d2741
          - id: 63f1c2b675be4132854d2742
      required:
      - title
      - due_date
      - hex_color
  responses:
    NotFound:
      description: Not found error
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
          example:
            message: Resource not found
    ClientError:
      description: Client error
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
          example:
            message: 'Unsupported arguments: a,b,c'
    Forbidden:
      description: Permission error
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
          example:
            message: You do not have the permission to perform this operation
    Unauthorized:
      description: Authorization error
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
          example:
            message: Unauthorized
    UnprocessableEntity:
      description: Unprocessable entity error
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
          example:
            message: Resource cannot be processed
  parameters:
    offset:
      name: offset
      in: query
      description: Starting index of results (zero indexed)
      schema:
        type: integer
        minimum: 0
        default: 0
      example: 5
    page_size:
      name: page_size
      in: query
      description: Number of results to return per page
      schema:
        type: integer
        minimum: 1
        maximum: 100
        default: 10
      example: 15
  securitySchemes:
    OAuth2:
      type: oauth2
      flows:
        authorizationCode:
          authorizationUrl: https://accounts.cmp.optimizely.com/o/oauth2/v1/auth
          tokenUrl: https://accounts.cmp.optimizely.com/o/oauth2/v1/token
          scopes:
            openid: Grants the ability to receive a unique identifier for the user.
            profile: Grants access to user profile information.
            offline_access: Grants the ability to refresh access_token using the refresh token even when user is not present (not logged in).
        clientCredentials:
          tokenUrl: https://accounts.cmp.optimizely.com/o/oauth2/v1/token
          scopes: {}
x-tagGroups:
- name: API
  tags:
  - Uploader
  - Library
  - Labels
  - Brand Compliance
  - Tasks
  - Task Step
  - Campaigns
  - Publishing
  - Templates
  - Users
  - Work Requests
  - Structured Contents
  - Assets
  - Milestones
  - Teams
  - Settings
  - Workflows
  - Fields
  - Events