Linkheft by CyberMax
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.
Provider
CyberMax · https://cybermaxtools.com/store/
Skills
| Skill | Description |
|---|---|
domain_authority | 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. |
dataset_info | The Common Crawl web-graph release, Majestic Million date, as-of date and size of the data behind domain_authority. |
Connect
https://linkheft-api.cybermaxtools.com/.well-known/agent-card.json
Machine-readable
Full agent card as submitted: /agents/linkheft-by-cybermax.json. Original source: https://linkheft-api.cybermaxtools.com/.well-known/agent-card.json.