Scope3 Signals API

openapi: 3.0.0
info:
  version: 1.0.0
  title: AI Impact Measurement Signals API
security:
- bearerAuth: []
tags:
- name: Signals
paths:
  /signals/saved_list/{saved_list_id}:
    get:
      operationId: getSignalsBySavedList
      summary: Get Signals by Saved List
      description: Returns paginated domain-level media quality signals for all domains in the specified saved property list.
      parameters:
      - in: path
        name: saved_list_id
        required: true
        schema:
          type: integer
          minimum: 1
        description: Numeric ID of the saved property list
      - in: query
        name: page
        schema:
          default: 1
        description: Page number (1-based, integer)
      - in: query
        name: page_size
        schema:
          default: 1000
        description: Number of domains per page (integer, max 5000)
      responses:
        '200':
          description: success response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SignalsPage'
        '400':
          $ref: '#/components/responses/ErrorResponse'
        '403':
          $ref: '#/components/responses/ErrorResponse'
        default:
          $ref: '#/components/responses/ErrorResponse'
      tags:
      - Signals
components:
  schemas:
    MQSignal:
      type: object
      required:
      - domain
      properties:
        domain:
          type: string
          description: The web property domain
        traffic_percentile:
          type: number
          nullable: true
          description: Traffic percentile rank of the domain
        is_mfa:
          type: boolean
          nullable: true
          description: Whether the domain is classified as Made for Advertising
        avg_a2cr:
          type: number
          nullable: true
          description: Average ad-to-content ratio
        max_a2cr:
          type: number
          nullable: true
          description: Maximum ad-to-content ratio
        avg_ads_in_view:
          type: number
          nullable: true
          description: Average number of ads in view at one time
        max_ads_in_view:
          type: number
          nullable: true
          description: Maximum number of ads in view at one time
        avg_num_sellers:
          type: number
          nullable: true
          description: Average number of sellers in the supply chain
        avg_num_nodes:
          type: number
          nullable: true
          description: Average number of nodes in the supply chain
        domain_avg_refresh_rate:
          type: number
          nullable: true
          description: Average ad refresh rate for the domain
        pct_placements_refreshed:
          type: number
          nullable: true
          description: Percentage of placements that are refreshed
        avg_a2cr_in_feed:
          type: number
          nullable: true
          description: Average ad-to-content ratio for in-feed placements
        avg_ads_in_view_in_feed:
          type: number
          nullable: true
          description: Average ads in view for in-feed placements
        pct_high_viewport_ad:
          type: number
          nullable: true
          description: Percentage of ads in high viewport positions
        pct_invalid_ads:
          type: number
          nullable: true
          description: Percentage of invalid ad impressions
        pct_organic_search_traffic:
          type: number
          nullable: true
          description: Percentage of traffic from organic search
        pct_organic_referral_traffic:
          type: number
          nullable: true
          description: Percentage of traffic from organic referrals
        pct_social_traffic:
          type: number
          nullable: true
          description: Percentage of traffic from social media
        pct_ad_network_traffic:
          type: number
          nullable: true
          description: Percentage of traffic from ad networks
        pct_marketplace_referral_traffic:
          type: number
          nullable: true
          description: Percentage of traffic from marketplace referrals
        pct_messaging_traffic:
          type: number
          nullable: true
          description: Percentage of traffic from messaging platforms
        pct_email_traffic:
          type: number
          nullable: true
          description: Percentage of traffic from email
        pct_ai_assistant_traffic:
          type: number
          nullable: true
          description: Percentage of traffic from AI assistants
        top_geos:
          type: string
          nullable: true
          description: Pipe-delimited list of top geographic markets (e.g. "US | GB | DE")
        primary_language:
          type: string
          nullable: true
          description: Primary language of the domain's content
        avg_viewability:
          type: number
          nullable: true
          description: Average viewability rate
        total_gpids:
          type: number
          nullable: true
          description: Total number of unique GPIDs observed on the domain
        eid_rate:
          type: number
          nullable: true
          description: Extended ID availability rate
        avg_page_height:
          type: number
          nullable: true
          description: Average page height in pixels
        avg_initial_page_weight_bytes:
          type: number
          nullable: true
          description: Average initial page weight in bytes
        avg_final_page_weight_bytes:
          type: number
          nullable: true
          description: Average final page weight in bytes after all resources load
        avg_initial_cpu:
          type: number
          nullable: true
          description: Average initial CPU usage
        avg_final_cpu:
          type: number
          nullable: true
          description: Average final CPU usage after all resources load
        avg_initial_network_calls_count:
          type: number
          nullable: true
          description: Average number of network calls at initial page load
        avg_final_network_calls_count:
          type: number
          nullable: true
          description: Average number of network calls after all resources load
        missing_ads_text:
          type: boolean
          nullable: true
          description: Whether ads.txt entries are missing for known sellers
        old_ads_text:
          type: boolean
          nullable: true
          description: Whether ads.txt file has not been updated recently
        avg_depth:
          type: number
          nullable: true
          description: Average depth of the supply chain
        max_depth:
          type: number
          nullable: true
          description: Maximum depth of the supply chain
    SignalsPage:
      type: object
      required:
      - data
      - page
      - page_size
      - has_more
      properties:
        data:
          type: array
          items:
            $ref: '#/components/schemas/MQSignal'
          description: Domain-level MQ signals for this page
        page:
          type: integer
          description: Current page number (1-based)
        page_size:
          type: integer
          description: Number of results per page requested
        has_more:
          type: boolean
          description: Whether additional pages of results exist
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT