openapi: 3.1.0
info:
  title: Lucidworks Signals API
  description: >-
    The Signals API captures and retrieves user behavior signals for click,
    query, cart-add, and purchase-complete events. Signals power relevance
    tuning, recommendations, and analytics across Lucidworks Commerce Studio
    and Analytics Studio.
  version: '1.0.0'
  contact:
    name: Lucidworks Support
    url: https://lucidworks.com/support
externalDocs:
  description: Lucidworks Signals API Reference
  url: https://doc.lucidworks.com/api-reference/get-signals/click-signals
servers:
  - url: https://api.lucidworks.ai
security:
  - bearerAuth: []
tags:
  - name: Signals
    description: Capture and retrieve user behavior signals
paths:
  /signals/click:
    get:
      tags:
        - Signals
      summary: Get click signals
      operationId: getClickSignals
      parameters:
        - name: app
          in: query
          schema:
            type: string
        - name: from
          in: query
          schema:
            type: string
            format: date-time
        - name: to
          in: query
          schema:
            type: string
            format: date-time
      responses:
        '200':
          description: Click signals
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SignalList'
    post:
      tags:
        - Signals
      summary: Record click signal
      operationId: recordClickSignal
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/Signal'
      responses:
        '201':
          description: Signal recorded
  /signals/query:
    get:
      tags:
        - Signals
      summary: Get query signals
      operationId: getQuerySignals
      responses:
        '200':
          description: Query signals
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SignalList'
    post:
      tags:
        - Signals
      summary: Record query signal
      operationId: recordQuerySignal
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/Signal'
      responses:
        '201':
          description: Signal recorded
  /signals/cartadd:
    get:
      tags:
        - Signals
      summary: Get cart-add signals
      operationId: getCartAddSignals
      responses:
        '200':
          description: Cart-add signals
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SignalList'
    post:
      tags:
        - Signals
      summary: Record cart-add signal
      operationId: recordCartAddSignal
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/Signal'
      responses:
        '201':
          description: Signal recorded
  /signals/purchase-complete:
    get:
      tags:
        - Signals
      summary: Get purchase-complete signals
      operationId: getPurchaseCompleteSignals
      responses:
        '200':
          description: Purchase signals
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SignalList'
    post:
      tags:
        - Signals
      summary: Record purchase-complete signal
      operationId: recordPurchaseSignal
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/Signal'
      responses:
        '201':
          description: Signal recorded
components:
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT
  schemas:
    Signal:
      type: object
      properties:
        type:
          type: string
        userId:
          type: string
        sessionId:
          type: string
        timestamp:
          type: string
          format: date-time
        params:
          type: object
          additionalProperties: true
    SignalList:
      type: object
      properties:
        signals:
          type: array
          items:
            $ref: '#/components/schemas/Signal'
        count:
          type: integer