caches.json

{
  "caches": [
    {
      "id": "google",
      "name": "Google AMP Cache",
      "docs": "https://developers.google.com/amp/cache/",
      "cacheDomain": "cdn.ampproject.org",
      "updateCacheApiDomainSuffix": "cdn.ampproject.org",
      "thirdPartyFrameDomainSuffix": "ampproject.net"
    },
    {
      "id": "cloudflare",
      "name": "Cloudflare AMP Cache",
      "docs": "https://amp.cloudflare.com/",
      "cacheDomain": "cdn.cloudflare.com",
      "updateCacheApiDomainSuffix": "amp.cloudflare.com",
      "thirdPartyFrameDomainSuffix": "cloudflareamp.net"
    }
  ]
}