Patent Cited By API

REST API and MCP service documentation generated from server-side API definitions. Responses shown here are the direct payload returned by each API execution.

API selector

Patent & IP Risk

API overview

Retrieve cited-by counts and patents that cite one or more PatSnap patent records for citation analysis and technology influence research.

Try this API

Endpoint

https://api.nexscope.ai/api/skill-api/v1/skills/patent-cited-by/run

MCP method

nexscope_patent_cited_by

Authentication

All run endpoints require a user API key. Send it as a bearer token in the Authorization header.

Authorization: Bearer nk_xxxxxxxxxxxxxxxxx

Missing or invalid API keys return an authentication error. Manage keys from .

POSThttps://api.nexscope.ai/api/skill-api/v1/skills/patent-cited-by/run

Run an API

Provide patentId or patentNumber. A request may contain at most 100 comma-separated patents.

Slug	`patent-cited-by`
Headers	`Authorization: Bearer nk_...` `Content-Type: application/json`
Request body	API-specific JSON object.
Response body	Direct API response payload. No data/result wrapper is added.

Status codes

Code	Description
200	API executed successfully. Body is the direct response payload.
400	Request JSON or required API parameters are invalid.
401	API key is missing, invalid, or cannot be matched to a user.
5xx	API execution or upstream service failed.

Example request

curl -X POST https://api.nexscope.ai/api/skill-api/v1/skills/patent-cited-by/run \
  -H "Authorization: Bearer nk_xxxxxxxxxxxxxxxxx" \
  -H "Content-Type: application/json" \
  -d '{   "patentNumber": "US10123456B2" }'

All categories/ Patent & IP Risk

POSThttps://api.nexscope.ai/api/skill-api/v1/skills/patent-cited-by/run

Run this API

Send a JSON request to execute this API and receive the direct response payload.

Open tester

Endpoint

Method	`POST`
Path	`https://api.nexscope.ai/api/skill-api/v1/skills/patent-cited-by/run`
Auth	`Bearer API key`
Content-Type	`application/json`

Request body

Name	Type	Required	Description
`patentId`	`string`	conditional	One or up to 100 comma-separated PatSnap patent IDs. Takes precedence when both identifiers are provided. Example: patent-id
`patentNumber`	`string`	conditional	One or up to 100 comma-separated publication or grant numbers. Example: US10123456B2

Request example

{
  "patentNumber": "US10123456B2"
}

Response body

Returns the PatSnap cited-by payload directly.

Name	Type	Required	Description
`total`	`integer`	optional	Number of returned patent records. Example: 1
`data`	`array`	optional	Cited-by results. Example: []
`data[].patentId`	`string`	optional	Queried patent ID. Example: patent-id
`data[].pn`	`string`	optional	Queried publication number. Example: US10123456B2
`data[].citedBy3y`	`integer`	optional	Citations received within three years. Example: 1
`data[].citedBy5y`	`integer`	optional	Citations received within five years. Example: 1
`data[].citedByPatents`	`array`	optional	Patents that cite the queried patent. Example: []
`columns`	`array`	optional	Provider rendering columns. Example: []
`costToken`	`integer`	optional	Provider-reported token cost. Example: 6000
`errcode`	`integer`	optional	Upstream status code returned by the provider.
`errmsg`	`string`	optional	Upstream status message returned by the provider.
`code`	`string`	optional	Provider-specific status code.
`msg`	`string`	optional	Provider-specific status message.
`message`	`string`	optional	Provider-specific message.
`type`	`string`	optional	Provider-specific render or payload type.
`title`	`string`	optional	Provider-specific response title.
`sourceType`	`string`	optional	Provider-specific source platform type.
`sourceTool`	`string`	optional	Provider-specific source tool name.
`costTime`	`integer`	optional	Execution time reported by the upstream provider.
`page`	`integer`	optional	Current page returned by the upstream provider.
`pageSize`	`integer`	optional	Page size returned by the upstream provider.
`pageItemCount`	`integer`	optional	Item count on the current page returned by the upstream provider.
`totalPage`	`integer`	optional	Total page count returned by the upstream provider.
`dataSnapshotMonth`	`string`	optional	Data snapshot month returned by the upstream provider.

Response example

Direct response payload. No extra wrapper is added.

{
  "total": 1,
  "data": [
    {
      "patentId": "patent-id",
      "pn": "US10123456B2",
      "citedBy3y": 1,
      "citedBy5y": 1,
      "citedByPatents": []
    }
  ],
  "columns": [],
  "costToken": 6000
}

Responses

Code	Description
200	API executed successfully. Body is the direct response payload.
400	Request JSON or required API parameters are invalid.
401	API key is missing, invalid, or cannot be matched to a user.
5xx	API execution or upstream service failed.

Data source, freshness, and limitations

Source, freshness, coverage, rate limits, and estimation notes are not specified in this API definition unless they appear in the request or response field documentation above. Do not assume official marketplace data or real-time freshness when it is not explicitly documented.

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MCP

Use the MCP endpoint when an agent needs to discover and call API tools with JSON-RPC.

GET /api/skill-api/v1/mcp

POST /api/skill-api/v1/mcp
Authorization: Bearer nk_xxxxxxxxxxxxxxxxx
Content-Type: application/json

Call a tool

{
  "jsonrpc": "2.0",
  "id": "tool-call-1",
  "method": "tools/call",
  "params": {
    "name": "nexscope_patent_cited_by",
    "arguments": {
      "patentNumber": "US10123456B2"
    }
  }
}

Online test

Execute the current API with your API key and JSON payload.

Try it

Send a real request with the same contract shown in the reference.

Endpoint

https://api.nexscope.ai/api/skill-api/v1/skills/patent-cited-by/run

MCP method

nexscope_patent_cited_by

API key*

JSON payload*

cURL

curl -X POST \
  https://api.nexscope.ai/api/skill-api/v1/skills/patent-cited-by/run \
  -H "Authorization: Bearer nk-..." \
  -H "Content-Type: application/json" \
  -d '{ "patentNumber": "US10123456B2" }'

Response

No response yet. Run the request to see the response here.