Patent Description Data 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 patent description (specification) data from the Zhihuiya patent database by patent ID or publication number.

Try this API

Endpoint

https://claw-callback.nexscope.ai/api/skill-api/v1/skills/patent-description-data/run

MCP method

nexscope_patent_description_data

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://claw-callback.nexscope.ai/api/skill-api/v1/skills/patent-description-data/run

Run an API

Request parameters documented by ecommerce.patent-description-data.

Slug	`patent-description-data`
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-description-data/run \
  -H "Authorization: Bearer nk_xxxxxxxxxxxxxxxxx" \
  -H "Content-Type: application/json" \
  -d '{   "patentNumber": "US11299876B2" }'

All categories/ Patent & IP Risk

POSThttps://claw-callback.nexscope.ai/api/skill-api/v1/skills/patent-description-data/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://claw-callback.nexscope.ai/api/skill-api/v1/skills/patent-description-data/run`
Auth	`Bearer API key`
Content-Type	`application/json`

Request body

Name	Type	Required	Description
`patentId`	`string`	optional	Patent ID (at least one of patentId and patentNumber must be provided; if both are present, patentId takes priority). Only a single value is supported; multiple values separated by commas are not allowed. Max length: 60000 characters.
`patentNumber`	`string`	optional	Publication/grant number (at least one of patentId and patentNumber must be provided; if both are present, patentId takes priority). Only a single value is supported; multiple values separated by commas are not allowed. Max length: 60000 characters. Example: US11299876B2
`replaceByRelated`	`string`	optional	Whether to substitute with a family patent's description when the current patent's description is unavailable: 1 Yes, 0 No. Max length: 1000 characters.

Request example

{
  "patentNumber": "US11299876B2"
}

Response body

Returns the documented upstream API response directly without an additional wrapper.

Name	Type	Required	Description
`total`	`integer`	optional	Number of patent records returned Example: 1
`data`	`array`	optional	Patent list, each element contains description data Example: []
`data[].patentId`	`string`	optional	Patent ID Example: example-id
`data[].pn`	`string`	optional	Publication (grant) number
`data[].pnRelated`	`string`	optional	Publication number of the substitute patent (only provided when family patent substitution is used)
`data[].description`	`array`	optional	Description content sections Example: []
`columns`	`array`	optional	Column definitions for rendering Example: []
`costToken`	`integer`	optional	Tokens consumed Example: 1
`type`	`string`	optional	Render style
`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.
`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": "example-id",
      "description": []
    }
  ],
  "columns": [],
  "costToken": 1
}

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.

Related APIs

Patent Abstract Image Data

Retrieves patent abstract images (drawings) from the Zhihuiya (PatSnap) patent database by patent ID or publication number.

Patent Claims

Retrieves patent claims data from Zhihuiya (PatSnap).

Patent Claims Translation

Retrieves translated patent claims from the Zhihuiya (PatSnap) patent database.

Patent Description Data Translation

Retrieve translated patent description (specification) text from Zhihuiya.

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_description_data",
    "arguments": {
      "patentNumber": "US11299876B2"
    }
  }
}

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://claw-callback.nexscope.ai/api/skill-api/v1/skills/patent-description-data/run

MCP method

nexscope_patent_description_data

API key*JSON payload*

cURL

curl -X POST \
  https://claw-callback.nexscope.ai/api/skill-api/v1/skills/patent-description-data/run \
  -H "Authorization: Bearer nk-..." \
  -H "Content-Type: application/json" \
  -d '{ "patentNumber": "US11299876B2" }'

Response

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