> ## Documentation Index
> Fetch the complete documentation index at: https://docs.perquery.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Get the authority summary

> Returns the authority score of the site, its change and trend, and the counts of citations and sources. Use `at` (a date and time) to read the summary of an earlier moment.



## OpenAPI

````yaml /api-reference/openapi.json get /v1/sites/{site_uuid}/authority
openapi: 3.0.3
info:
  title: Perquery API
  version: 1.0.0
  description: Read-only access to the data of your Perquery organization.
servers:
  - url: https://perquery.ai/api
security:
  - apiKey: []
paths:
  /v1/sites/{site_uuid}/authority:
    get:
      tags:
        - Authority
      summary: Get the authority summary
      description: >-
        Returns the authority score of the site, its change and trend, and the
        counts of citations and sources. Use `at` (a date and time) to read the
        summary of an earlier moment.
      operationId: authority_summary
      parameters:
        - in: query
          name: at
          schema:
            type: string
            format: date-time
            nullable: true
        - in: path
          name: site_uuid
          schema:
            type: string
            format: uuid
          required: true
      responses:
        '200':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/AuthoritySummaryResponse'
          description: ''
      security:
        - apiKey: []
components:
  schemas:
    AuthoritySummaryResponse:
      type: object
      properties:
        score:
          type: integer
          nullable: true
        delta:
          type: integer
          nullable: true
        captured_at:
          type: string
          format: date-time
          nullable: true
        citation_count:
          type: integer
        brand_citation_count:
          type: integer
        source_count:
          type: integer
        rated_source_count:
          type: integer
        rating_configured:
          type: boolean
        brand_rating:
          allOf:
            - $ref: '#/components/schemas/BrandRatingDTO'
          nullable: true
        rating:
          type: integer
          nullable: true
        rating_delta:
          type: integer
          nullable: true
        trend:
          type: array
          items:
            $ref: '#/components/schemas/AuthorityTrendPoint'
      required:
        - brand_citation_count
        - brand_rating
        - captured_at
        - citation_count
        - delta
        - rated_source_count
        - rating
        - rating_configured
        - rating_delta
        - score
        - source_count
        - trend
    BrandRatingDTO:
      type: object
      properties:
        domain:
          type: string
        rating:
          type: integer
        fetched_at:
          type: string
          format: date-time
      required:
        - domain
        - fetched_at
        - rating
    AuthorityTrendPoint:
      type: object
      properties:
        captured_at:
          type: string
          format: date-time
        score:
          type: integer
        rating:
          type: integer
          nullable: true
        rating_source_changed:
          type: boolean
      required:
        - captured_at
        - rating
        - rating_source_changed
        - score
  securitySchemes:
    apiKey:
      type: apiKey
      in: header
      name: Authorization
      description: '`ApiKey pq_<prefix>_<secret>`. An API key gives read-only access.'

````

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