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    "title": "Backlink Checker: Referring Domains & Spam Score",
    "description": "Backlink checker and backlinks API: full backlink lists, referring domains, domain rank, dofollow share and spam score for up to 1,000 domains or URLs per run. $0.03 per domain + $4 per 1,000 backlinks; failed lookups are free.",
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          },
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          },
          "minDomainRank": {
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            "title": "Exclude spam score above (0-100)",
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                  "userAgent": {
                    "type": "string"
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