{
  "id": 18,
  "slug": "linkheft-by-cybermax",
  "name": "Linkheft by CyberMax",
  "description": "Paid API keys from $19/month (Prospector: 100,000 domain lookups a month); free tier 1000 domain lookups a day per IP with no key. Buy: https://linkheft-api.cybermaxtools.com/buy/prospector?s=lead · all plans: https://linkheft-api.cybermaxtools.com/docs#pricing. Bulk domain authority API: for up to 50 domains per call, a 0-100 authority score, the Common Crawl web-graph harmonic and PageRank ranks, host count, previous rank and trend (rising/stable/falling), Majestic Million rank, referring subnets and IPs, and found true/false. Open data (Common Crawl + Majestic Million), 10,296,726 domains. REST + MCP server.",
  "host": "linkheft-api.cybermaxtools.com",
  "cardUrl": "https://linkheft-api.cybermaxtools.com/.well-known/agent-card.json",
  "provider": {
    "organization": "CyberMax",
    "url": "https://cybermaxtools.com/store/"
  },
  "version": "1.0.0",
  "protocolVersion": "0.3.0",
  "documentationUrl": "https://linkheft-api.cybermaxtools.com/docs",
  "skills": [
    {
      "id": "domain_authority",
      "name": "Domain authority (bulk)",
      "description": "Authority score (0-100), Common Crawl web-graph rank (harmonic + PageRank), hosts, previous rank and trend, Majestic Million rank, referring subnets and IPs for 1-50 domains, URLs or emails. found=false when a domain is outside the top 10M and the Majestic Million.",
      "tags": [
        "linkheft",
        "data api",
        "mcp"
      ]
    },
    {
      "id": "dataset_info",
      "name": "Data release",
      "description": "The Common Crawl web-graph release, Majestic Million date, as-of date and size of the data behind domain_authority.",
      "tags": [
        "linkheft",
        "data api",
        "mcp"
      ]
    }
  ],
  "capabilities": {
    "streaming": false,
    "pushNotifications": false
  },
  "inputModes": [
    "application/json"
  ],
  "outputModes": [
    "application/json"
  ],
  "liveness": {},
  "submittedAt": "2026-10-08T07:17:44.794Z"
}