openapi: 3.1.0
info:
  title: Hello Retail Customer Bias Pages API
  description: Hello Retail provides REST APIs for personalized product recommendations, on-site search, page-driven product listings, and customer bias retrieval. Endpoints are served from the core.helloretail.com host and accept JSON request bodies. Most endpoints expect a Bearer token issued from the My Hello Retail dashboard. The API powers e-commerce personalization use cases including product discovery, behavioral tracking, and merchandising.
  version: '1.0'
  contact:
    name: Hello Retail
    url: https://developer.helloretail.com/
  license:
    name: Proprietary
    url: https://www.helloretail.com/terms
servers:
- url: https://core.helloretail.com
  description: Hello Retail core serving host
tags:
- name: Pages
  description: Page-driven product listings with filtering and sorting.
paths:
  /serve/pages/{key}:
    post:
      operationId: loadPage
      summary: Load a configured page
      description: Returns the product listing rendered by the page configuration identified by key. Supports filters, sorting, pagination, and a first-load flag for analytics view tracking.
      tags:
      - Pages
      security:
      - bearerAuth: []
      parameters:
      - name: key
        in: path
        required: true
        description: Page configuration key from My Hello Retail.
        schema:
          type: string
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/PageRequest'
      responses:
        '200':
          description: Page results
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PageResponse'
        '400':
          description: Invalid request
        '401':
          description: Unauthorized
        '404':
          description: Page not found
components:
  schemas:
    Product:
      type: object
      properties:
        title:
          type: string
        productNumber:
          type: string
        imgUrl:
          type: string
          format: uri
        price:
          type: number
        inStock:
          type: boolean
        extraData:
          type: object
          additionalProperties: true
        extraDataNumber:
          type: object
          additionalProperties:
            type: number
        extraDataList:
          type: object
          additionalProperties:
            type: array
            items:
              type: string
    PageRequest:
      type: object
      required:
      - url
      - firstLoad
      - params
      - products
      properties:
        url:
          type: string
          format: uri
        format:
          type: string
          enum:
          - json
          - html
          default: html
        firstLoad:
          type: boolean
        trackingUserId:
          type: string
        deviceType:
          type: string
          enum:
          - DESKTOP
          - MOBILE
        params:
          type: object
          required:
          - filters
          properties:
            filters:
              type: object
        products:
          type: object
          required:
          - start
          - count
          properties:
            start:
              type: integer
            count:
              type: integer
            fields:
              type: array
              items:
                type: string
            filters:
              type: array
              items:
                type: object
            sorting:
              type: array
              items:
                type: string
    PageResponse:
      type: object
      properties:
        success:
          type: boolean
        firstLoad:
          type: boolean
        products:
          type: object
          properties:
            start:
              type: integer
            count:
              type: integer
            total:
              type: integer
            html:
              type: string
            result:
              type: array
              items:
                $ref: '#/components/schemas/Product'
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: API Key
externalDocs:
  description: Hello Retail Developer Documentation
  url: https://developer.helloretail.com/