generated: '2026-10-04'
method: probed
source: pre-flight dossier (docs platform, portal detections) + CNAME chains and response headers of the hosts apis.yml names
registry: all/0-working/vendors.yml
areas_vocabulary:
- documentation
- developer-portal
- api-gateway
- cdn
- hosting
- sdk-generation
- api-collections
- status-page
- support
- community
- identity
- mcp-hosting
vendors:
- vendor: cloudfront
  name: Amazon CloudFront
  area: cdn
  host: circleci.com
  evidence: header:x-amz-cf-id
  signal: header
  confidence: high
  kin_score: []
reliance:
  areas_vendor_served:
  - cdn
  vendor_count: 1
  areas_observed: 12
  share_of_observable_areas: 0.083
  note: areas where a third party was DETECTED serving this provider; an area absent here was either self-run or not observed, and this script
    cannot tell those apart
checked:
- 'docs-platform: custom'
- circleci.com (APIReference)
- circleci.com (Website)
- circleci.com (Portal)
- circleci.com (Documentation)
- status.circleci.com (StatusPage)
- support.circleci.com (Support)
- app.circleci.com (Login)
- runner.circleci.com (baseURL)
- api.example.com (baseURL)
- circleci.com (baseURL)
- mcp.circleci.com (mcp)