{
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    "title": "Backlink Checker API: Backlinks, Referring Domains & Anchors",
    "description": "Check the backlinks of any domain or URL: source page, anchor text, dofollow, domain rank, spam score, first and last seen. Or list its referring domains with link counts. Up to 10,000 rows per target, no Ahrefs or Semrush subscription. Pay only per result.",
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  "components": {
    "schemas": {
      "inputSchema": {
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        "required": [
          "targets"
        ],
        "properties": {
          "targets": {
            "title": "Domains or URLs",
            "minItems": 1,
            "maxItems": 2000,
            "type": "array",
            "description": "One per line. A domain (\"example.com\", also covers its subdomains) or a subdomain gives the backlinks of the whole site; a full URL with a path (\"https://example.com/blog/post\") gives the backlinks of that page only. Up to 1,000 targets per run.",
            "items": {
              "type": "string"
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          },
          "mode": {
            "title": "What to list",
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              "backlinks",
              "referringDomains"
            ],
            "type": "string",
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            "default": "backlinks"
          },
          "maxResultsPerTarget": {
            "title": "Max rows per target",
            "minimum": 1,
            "maximum": 10000,
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            "default": 100
          },
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            "title": "Sort by",
            "enum": [
              "rank",
              "newest",
              "backlinks"
            ],
            "type": "string",
            "description": "Order of the rows, which also decides which rows you get when a target has more than the maximum.",
            "default": "rank"
          },
          "dofollowOnly": {
            "title": "Dofollow links only",
            "type": "boolean",
            "description": "Skip nofollow links. In referring domains mode, only domains with dofollow links are listed and counts cover dofollow links only.",
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          },
          "onePerDomain": {
            "title": "One backlink per linking domain",
            "type": "boolean",
            "description": "Backlinks mode: keep only the best link from each linking domain (handy to scan a large profile).",
            "default": false
          },
          "includeLostLinks": {
            "title": "Include lost links",
            "type": "boolean",
            "description": "Also return links that were found before but are gone now (isLost = true). Off: live links only.",
            "default": false
          },
          "includeSubdomains": {
            "title": "Include subdomains",
            "type": "boolean",
            "description": "For a domain target, also count links pointing to its subdomains (www, blog, shop...).",
            "default": true
          }
        }
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                "type": "string",
                "format": "date-time",
                "example": "2025-01-08T00:00:00.000Z"
              },
              "finishedAt": {
                "type": "string",
                "format": "date-time",
                "example": "2025-01-08T00:00:00.000Z"
              },
              "status": {
                "type": "string",
                "example": "READY"
              },
              "meta": {
                "type": "object",
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                  "origin": {
                    "type": "string",
                    "example": "API"
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                  "userAgent": {
                    "type": "string"
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                }
              },
              "stats": {
                "type": "object",
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                    "type": "integer",
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                    "type": "integer",
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                  "computeUnits": {
                    "type": "integer",
                    "example": 0
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                }
              },
              "options": {
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                  "build": {
                    "type": "string",
                    "example": "latest"
                  },
                  "timeoutSecs": {
                    "type": "integer",
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                  "memoryMbytes": {
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              "buildId": {
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              "defaultKeyValueStoreId": {
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              "defaultDatasetId": {
                "type": "string"
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              "defaultRequestQueueId": {
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              "containerUrl": {
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