Backlinks Authority

seo-referring-domains MCP Tool

Bounded referring domains projection from the DataForSEO backlink index. Preserve target kind and provider scope. Proprietary rankings are not Google ratings or measured traffic. No pagination or additional provider calls. Unapproved costs prevent execution.

MCP tool name

nexscope_seo_referring_domains

Legacy MCP endpoint

/api/skill-api/v1/mcp

JSON-RPC method

tools/call

Authentication

Send the user API key as a bearer token on every MCP JSON-RPC request.

Authorization: Bearer nk-xxxxxxxxxxxxxxxxx

If authentication is missing or invalid, ask the user to open API Access and copy a valid key before calling this tool.

Call this MCP tool

Use tools/call with the MCP tool name below. The arguments object should match the table on this page.

{
  "jsonrpc": "2.0",
  "id": "seo-referring-domains-1",
  "method": "tools/call",
  "params": {
    "name": "nexscope_seo_referring_domains",
    "arguments": {
      "target": {
        "kind": "DOMAIN",
        "target": " Example.COM. "
      },
      "limit": 2
    }
  }
}

Legacy endpoint

POST /api/skill-api/v1/mcp

Canonical detail URL

https://www.nexscope.ai/mcp-map/seo-referring-domains

Arguments

No arguments are defined for this tool.

Response fields

Treat structuredContent as the programmatic API response payload.

Name	Type	Required	Description
`data`	`any`	required	Data value used by this API operation.
`code`	`integer`	required	0 means accepted or successful; nonzero is a platform error.
`msg`	`string \| null`	required	Msg value used by this API operation.
`ts`	`string`	required	Epoch milliseconds.
`time`	`string`	required	Server local time: yyyy-MM-dd HH:mm:ss.
`cost`	`string`	required	Elapsed milliseconds, never credits; -1 outside web requests.
`traceId`	`string \| null`	required	Trace id value used by this API operation.

Any of option 1

Name	Type	Required	Description
`data`	`any`	required	Data value used by this API operation.

One of option 1 — requires callId, status, result

Name	Type	Required	Description
`data`	`object`	required	Data value used by this API operation.
`data.result`	`any`	required	Result value used by this API operation.
`data.callId`	`string`	required	Call id value used by this API operation.
`data.schemaVersion`	`string`	optional	Schema version value used by this API operation.
`data.status`	`string`	required	Status value used by this API operation.
`data.source`	`string`	optional	Source value used by this API operation.
`data.requestedAt`	`string \| integer \| null`	optional	Requested at value used by this API operation.
`data.completedAt`	`string \| integer \| null`	optional	Completed at value used by this API operation.
`data.coverage`	`object \| null`	optional	Coverage value used by this API operation.
`data.usage`	`object \| null`	optional	Usage value used by this API operation.
`data.usage.billingStatus`	`string \| null`	optional	Billing status value used by this API operation.
`data.usage.chargedCredits`	`string \| integer \| null`	optional	Charged credits value used by this API operation.

Any of option 1 — requires sourceProduct, sourceKind, inputTarget, normalizedTarget, returnedCount, items, missing, truncated, sourceScope, requestedLimit, providerTotalCount

Name	Type	Required	Description
`data.result`	`object`	required	Result value used by this API operation.
`data.result.sourceProduct`	`string`	required	Source product value used by this API operation. Constant: backlinks
`data.result.sourceKind`	`string`	required	Source kind value used by this API operation. Constant: dataforseo_backlink_index
`data.result.inputTarget`	`object`	required	Input target value used by this API operation.
`data.result.inputTarget.kind`	`string`	required	Kind value used by this API operation. Allowed: DOMAIN, PAGE
`data.result.inputTarget.target`	`string`	required	Target value used by this API operation. Minimum length: 1 Maximum length: 2048
`data.result.normalizedTarget`	`object`	required	Normalized target value used by this API operation.
`data.result.normalizedTarget.kind`	`string`	required	Kind value used by this API operation. Allowed: DOMAIN, PAGE
`data.result.normalizedTarget.target`	`string`	required	Target value used by this API operation. Minimum length: 1 Maximum length: 2048
`data.result.returnedCount`	`integer`	required	Returned count value used by this API operation. Minimum: 0
`data.result.items`	`array`	required	Items value used by this API operation. Minimum items: 0 Maximum items: 20
`data.result.items[]`	`object`	required	Item in data result items.
`data.result.items[].domain`	`string`	required	Domain value used by this API operation.
`data.result.items[].rank`	`integer \| null`	required	Rank value used by this API operation. Minimum: 0 Maximum: 1000
`data.result.items[].backlinks`	`integer \| null`	required	Backlinks value used by this API operation. Minimum: 0
`data.result.items[].referringPages`	`integer \| null`	required	Referring pages value used by this API operation. Minimum: 0
`data.result.items[].firstSeenAt`	`integer \| null`	required	First seen at value used by this API operation. Minimum: 0
`data.result.items[].lostAt`	`integer \| null`	required	Lost at value used by this API operation. Minimum: 0
`data.result.items[].missing`	`array`	required	Missing value used by this API operation. Minimum items: 0
`data.result.items[].missing[]`	`object`	required	Item in data result items[] missing.
`data.result.items[].missing[].field`	`string`	required	Field value used by this API operation.
`data.result.items[].missing[].reason`	`string`	required	Reason value used by this API operation. Allowed: UPSTREAM_FIELD_MISSING, UPSTREAM_FIELD_INVALID, DUPLICATE_UPSTREAM_ITEM, UPSTREAM_ITEM_MISSING
`data.result.missing`	`array`	required	Missing value used by this API operation. Minimum items: 0
`data.result.missing[]`	`object`	required	Item in data result missing.
`data.result.missing[].field`	`string`	required	Field value used by this API operation.
`data.result.missing[].reason`	`string`	required	Reason value used by this API operation. Allowed: UPSTREAM_FIELD_MISSING, UPSTREAM_FIELD_INVALID, DUPLICATE_UPSTREAM_ITEM, UPSTREAM_ITEM_MISSING
`data.result.truncated`	`boolean`	required	Truncated value used by this API operation.
`data.result.sourceScope`	`string`	required	Source scope value used by this API operation. Constant: provider_default
`data.result.requestedLimit`	`integer`	required	Requested limit value used by this API operation. Minimum: 1
`data.result.providerTotalCount`	`integer \| null`	required	Provider total count value used by this API operation. Minimum: 0

Any of option 2

Name	Type	Required	Description
`data.result`	`null`	required	Result value used by this API operation.

One of option 2 — requires callId, status, reason, retryable

Name	Type	Required	Description
`data`	`object`	required	Data value used by this API operation.
`data.reason`	`string`	required	Reason value used by this API operation.
`data.callId`	`string \| null`	required	Call id value used by this API operation.
`data.status`	`string`	required	Status value used by this API operation.
`data.retryable`	`boolean`	required	Retryable value used by this API operation.
`data.taskId`	`string \| null`	optional	Task id value used by this API operation.

Any of option 2

Name	Type	Required	Description
`data`	`null`	required	Data value used by this API operation.

Examples

Example arguments

{
  "target": {
    "kind": "DOMAIN",
    "target": " Example.COM. "
  },
  "limit": 2
}

Example structuredContent

{
  "data": {
    "status": "PROCESSING",
    "retryable": false,
    "reason": "IN_PROGRESS",
    "callId": "00000000-0000-4000-8000-000000000001"
  },
  "code": 0,
  "msg": null,
  "ts": "0",
  "time": "2026-01-01 00:00:00",
  "cost": "-1",
  "traceId": null
}

seo-referring-domains MCP Tool

Authentication

Call this MCP tool

Arguments

Response fields

Any of option 1

One of option 1 — requires callId, status, result

Any of option 1 — requires sourceProduct, sourceKind, inputTarget, normalizedTarget, returnedCount, items, missing, truncated, sourceScope, requestedLimit, providerTotalCount

Any of option 2

One of option 2 — requires callId, status, reason, retryable

Any of option 2

Examples

Example arguments

Example structuredContent

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