Search & Trend Intelligence

Category-based Keyword Ideas

Category-based Keyword Ideas with explicit missing evidence and bounded keyword inputs. Uses one fixed DataForSEO task. Schema C1-1.0. Idempotent calls preserve original input order. Free owner-only retrieval: GET /api/skill-api/v1/skills/seo-keyword-ideas/calls/{callId} or nexscope_seo_call_result. Successful results remain available in owner call history. Seven-day source-freshness rules apply only to dependent requests. Missing values are not zero. No execution or publication is implied.

MCP tool name

nexscope_seo_keyword_ideas

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-keyword-ideas-1",
  "method": "tools/call",
  "params": {
    "name": "nexscope_seo_keyword_ideas",
    "arguments": {}
  }
}

Legacy endpoint

POST /api/skill-api/v1/mcp

Canonical detail URL

https://www.nexscope.ai/mcp-map/seo-keyword-ideas

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.callId`	`string`	required	Call id value used by this API operation.
`data.schemaVersion`	`string`	optional	Schema version value used by this API operation.

Examples

Example arguments

{}

Example structuredContent

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

Any of option 1 — requires seeds, market, language, relationSource, requestedLimit, returnedCount, items, missing

Name	Type	Required	Description
`data.result`	`object`	required	Result value used by this API operation.
`data.result.seeds`	`array`	required	Seeds value used by this API operation. Minimum items: 1 Maximum items: 20
`data.result.seeds[]`	`string`	required	Item in data result seeds.
`data.result.market`	`string`	required	Market value used by this API operation. Constant: US
`data.result.language`	`string`	required	Language value used by this API operation. Constant: en
`data.result.relationSource`	`string`	required	Relation source value used by this API operation. Constant: category
`data.result.requestedLimit`	`integer`	required	Requested limit value used by this API operation. Minimum: 1 Maximum: 20
`data.result.returnedCount`	`integer`	required	Returned count value used by this API operation. Minimum: 0 Maximum: 20
`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[].keyword`	`string`	required	Keyword value used by this API operation. Minimum length: 1
`data.result.items[].categoryIds`	`array`	required	Category ids value used by this API operation.
`data.result.items[].categoryIds[]`	`integer`	required	Item in data result items[] categoryIds. Minimum: 1 Maximum: 2147483647
`data.result.items[].searchVolume`	`integer \| null`	required	Search volume value used by this API operation. Minimum: 0
`data.result.items[].cpcUsd`	`string \| null`	required	Cpc usd value used by this API operation. Pattern: ^(0\|[1-9][0-9]*)(\.[0-9]+)?$
`data.result.items[].competition`	`number \| null`	required	Competition value used by this API operation. Minimum: 0 Maximum: 1
`data.result.items[].missing`	`array`	required	Missing value used by this API operation.
`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. Minimum length: 1
`data.result.items[].missing[].reason`	`string`	required	Reason value used by this API operation. Allowed: UPSTREAM_FIELD_MISSING, UPSTREAM_KEYWORD_MISSING, UPSTREAM_FIELD_INVALID, DUPLICATE_UPSTREAM_KEYWORD
`data.result.missing`	`array`	required	Missing value used by this API operation.
`data.result.missing[]`	`object`	required	Item in data result missing.
`data.result.missing[].field`	`string`	required	Field value used by this API operation. Minimum length: 1
`data.result.missing[].reason`	`string`	required	Reason value used by this API operation. Allowed: UPSTREAM_FIELD_MISSING, UPSTREAM_KEYWORD_MISSING, UPSTREAM_FIELD_INVALID, DUPLICATE_UPSTREAM_KEYWORD

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.taskId`	`string \| null`	optional	Task id value used by this API operation.
`data.retryable`	`boolean`	required	Retryable value used by this API operation.
`data.status`	`string`	required	Status value used by this API operation.
`data.callId`	`string \| null`	required	Call id value used by this API operation.

Category-based Keyword Ideas

Category-based Keyword Ideas

Authentication

Call this MCP tool

Arguments

Response fields

Any of option 1

One of option 1 — requires callId, status, result

Examples

Example arguments

Example structuredContent

Related MCP tools

Any of option 1 — requires seeds, market, language, relationSource, requestedLimit, returnedCount, items, missing

Any of option 2

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

Any of option 2