openapi: 3.0.3
info:
  title: Whatfix Analytics Segments API
  description: The Whatfix REST API enables programmatic access to Whatfix platform operations including end-user management, content management, flow analytics, segmentation, and report downloads. The API is stateless and uses API token authentication via the x-whatfix-integration-key header.
  version: v1
  contact:
    name: Whatfix Support
    url: https://support.whatfix.com
    email: support@whatfix.com
  termsOfService: https://whatfix.com/terms-of-service/
servers:
- url: https://whatfix.com/api/v1
  description: Whatfix REST API v1
security:
- ApiKeyAuth: []
tags:
- name: Segments
paths:
  /{accountId}/segments:
    get:
      operationId: listSegments
      summary: List Segments
      description: Returns all user segments defined in the Whatfix account for content targeting and personalization.
      tags:
      - Segments
      parameters:
      - $ref: '#/components/parameters/AccountId'
      - $ref: '#/components/parameters/PageParam'
      - $ref: '#/components/parameters/PageSizeParam'
      responses:
        '200':
          description: List of segments.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SegmentList'
        '401':
          description: Invalid API token.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
components:
  parameters:
    PageParam:
      name: page
      in: query
      required: false
      description: Page number for paginated results (1-based).
      schema:
        type: integer
        minimum: 1
        default: 1
    AccountId:
      name: accountId
      in: path
      required: true
      description: Your Whatfix account identifier.
      schema:
        type: string
    PageSizeParam:
      name: pageSize
      in: query
      required: false
      description: Number of results per page.
      schema:
        type: integer
        minimum: 1
        maximum: 100
        default: 20
  schemas:
    Segment:
      type: object
      description: A Whatfix user segment for content targeting.
      properties:
        segmentId:
          type: string
          description: Unique segment identifier.
        name:
          type: string
          description: Display name of the segment.
        description:
          type: string
          description: Description of the segment criteria.
        userCount:
          type: integer
          description: Number of users currently matching this segment.
        rules:
          type: array
          description: Segmentation rules defining which users belong to this segment.
          items:
            type: object
            properties:
              attribute:
                type: string
                description: User attribute to evaluate.
              operator:
                type: string
                enum:
                - equals
                - notEquals
                - contains
                - startsWith
                - endsWith
                - in
                - notIn
              value:
                description: Value to compare against.
    Error:
      type: object
      properties:
        code:
          type: integer
        message:
          type: string
        details:
          type: string
    SegmentList:
      type: object
      properties:
        data:
          type: array
          items:
            $ref: '#/components/schemas/Segment'
        pagination:
          $ref: '#/components/schemas/Pagination'
    Pagination:
      type: object
      properties:
        page:
          type: integer
        pageSize:
          type: integer
        totalCount:
          type: integer
        totalPages:
          type: integer
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: header
      name: x-whatfix-integration-key
      description: User API token obtained from the Whatfix dashboard. Pass your registered Whatfix email address in the x-whatfix-user header as well.