Unif API Docs
seoBacklinks

Count referring domains for many targets

Return the number of referring domains pointing to up to 1000 domains, subdomains, or pages at once, for bulk referring-domain comparison.

Pricing — $$ · min $0.05

Minimum 50 credits ($0.05) per call. Records returned above the minimum bill 1 credit ($0.001) each.

POST
/seo/backlinks/bulk-referring-domains

Authorization

bearerAuth
AuthorizationBearer <token>

UnifAPI API key. Provider credentials are managed by UnifAPI.

In: header

Request Body

application/json

TypeScript Definitions

Use the request body type in TypeScript.

Response Body

application/json

application/json

application/json

application/json

application/json

application/json

application/json

application/json

application/json

curl -X POST "https://example.com/seo/backlinks/bulk-referring-domains" \  -H "Content-Type: application/json" \  -d '{    "targets": [      "string"    ]  }'
{
  "request_id": "string",
  "data": {
    "results": [
      {
        "target": "string",
        "referring_domains": 0,
        "referring_domains_nofollow": 0,
        "referring_main_domains": 0,
        "referring_main_domains_nofollow": 0
      }
    ]
  },
  "billing": {
    "credits_charged": 0,
    "records_charged": 0,
    "balance_remaining": 0,
    "truncated_due_to_balance": true
  }
}
{
  "error": {
    "type": "validation_error",
    "message": "string",
    "request_id": "string",
    "issues": [
      null
    ],
    "billing": {
      "credits_required": 0,
      "credits_charged": 0,
      "records_charged": 0,
      "balance_remaining": 0,
      "truncated_due_to_balance": true
    }
  }
}
{
  "error": {
    "type": "validation_error",
    "message": "string",
    "request_id": "string",
    "issues": [
      null
    ],
    "billing": {
      "credits_required": 0,
      "credits_charged": 0,
      "records_charged": 0,
      "balance_remaining": 0,
      "truncated_due_to_balance": true
    }
  }
}
{
  "error": {
    "type": "validation_error",
    "message": "string",
    "request_id": "string",
    "issues": [
      null
    ],
    "billing": {
      "credits_required": 0,
      "credits_charged": 0,
      "records_charged": 0,
      "balance_remaining": 0,
      "truncated_due_to_balance": true
    }
  }
}
{
  "error": {
    "type": "validation_error",
    "message": "string",
    "request_id": "string",
    "issues": [
      null
    ],
    "billing": {
      "credits_required": 0,
      "credits_charged": 0,
      "records_charged": 0,
      "balance_remaining": 0,
      "truncated_due_to_balance": true
    }
  }
}
{
  "error": {
    "type": "validation_error",
    "message": "string",
    "request_id": "string",
    "issues": [
      null
    ],
    "billing": {
      "credits_required": 0,
      "credits_charged": 0,
      "records_charged": 0,
      "balance_remaining": 0,
      "truncated_due_to_balance": true
    }
  }
}
{
  "error": {
    "type": "validation_error",
    "message": "string",
    "request_id": "string",
    "issues": [
      null
    ],
    "billing": {
      "credits_required": 0,
      "credits_charged": 0,
      "records_charged": 0,
      "balance_remaining": 0,
      "truncated_due_to_balance": true
    }
  }
}
{
  "error": {
    "type": "validation_error",
    "message": "string",
    "request_id": "string",
    "issues": [
      null
    ],
    "billing": {
      "credits_required": 0,
      "credits_charged": 0,
      "records_charged": 0,
      "balance_remaining": 0,
      "truncated_due_to_balance": true
    }
  }
}
{
  "error": {
    "type": "validation_error",
    "message": "string",
    "request_id": "string",
    "issues": [
      null
    ],
    "billing": {
      "credits_required": 0,
      "credits_charged": 0,
      "records_charged": 0,
      "balance_remaining": 0,
      "truncated_due_to_balance": true
    }
  }
}

Get backlink ranks for many targets POST

Return the backlink rank score (0-1000, similar to PageRank) for up to 1000 domains, subdomains, or pages at once, for quick bulk authority comparison.

Get spam scores for many targets POST

Return the DataForSEO spam score (0-100) for up to 1000 domains, subdomains, or pages at once, to flag risky backlink targets in bulk.