generated: '2026-10-12'
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: netlify
  name: Netlify
  area: hosting
  host: docs.customer.io
  evidence: cname:docs-customerio.netlify.app
  signal: docs-platform
  confidence: medium
  kin_score: []
- vendor: vercel
  name: Vercel
  area: hosting
  host: customer.io
  evidence: header:x-vercel-id
  signal: header
  confidence: high
  kin_score: []
reliance:
  areas_vendor_served:
  - hosting
  vendor_count: 2
  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'
- customer.io (Website)
- docs.customer.io (Documentation)
- status.customerio.com (StatusPage)
- docs.customer.io (DeveloperPortal)
- docs.customer.io (APIReference)
- docs.customer.io (GettingStarted)
- customer.io (Support)
- fly.customer.io (SignUp)
- fly.customer.io (Login)
- track.customer.io (baseURL)
- api.customer.io (baseURL)
- cdp.customer.io (baseURL)
- mcp.customer.io (baseURL)
- mcp.customer.io (mcp)