Zhihuiya Utility Patent Image Search API

REST API and MCP service documentation generated from server-side API definitions. Responses use the shared code, msg, and data envelope.

API selector

Patent & IP Risk

API overview

Find visually similar utility-model patents from an image URL with country, legal-status, date, assignee, shape, pattern, and color filters.

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Endpoint

https://api.nexscope.ai/api/skill-api/v1/skills/zhihuiya-utility-patent-image-search/run

MCP method

nexscope_zhihuiya_utility_patent_image_search

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/zhihuiya-utility-patent-image-search/run

Run an API

Request parameters documented by ecommerce.zhihuiya-utility-patent-image-search.

Slug	`zhihuiya-utility-patent-image-search`
Headers	`Authorization: Bearer nk-...` `Content-Type: application/json`
Request body	API-specific JSON object.
Response body	Platform envelope: code, msg, data, ts, time, cost, traceId. Inspect data.status for asynchronous completion.

Status codes

Code	Description
200	HTTP request completed. Check JSON code; only 0 indicates business success or acceptance.
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/zhihuiya-utility-patent-image-search/run \
  -H "Authorization: Bearer nk-xxxxxxxxxxxxxxxxx" \
  -H "Content-Type: application/json" \
  -d '{   "country": "US",   "offset": 0,   "stemming": 0,   "limit": 5,   "isHttps": 1,   "preFilter": 1,   "model": 4,   "patentType": "U",   "url": "https://m.media-amazon.com/images/I/719mRAn2VrL._AC_SL1500_.jpg" }'

All categories/ Patent & IP Risk

POSThttps://api.nexscope.ai/api/skill-api/v1/skills/zhihuiya-utility-patent-image-search/run

Run this API

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

Open tester

Endpoint

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

Request body

Name	Type	Required	Description
`url`	`string`	required	Image URL (maximum 1,000 characters) Example: https://m.media-amazon.com/images/I/719mRAn2VrL._AC_SL1500_.jpg
`patentType`	`string`	required	Patent type: U for a utility model patent. Default: U Example: U
`model`	`integer`	required	Image-search model. Design patents: 1 (smart association, recommended) or 2 (search this image). Utility model patents: 3 (match shape) or 4 (match shape, pattern, and color; recommended) Example: 4
`country`	`string`	optional	Patent authority codes for countries, organizations, or regions, separated by commas, for example CN,US,JP. Omit to search all patent authorities
`loc`	`string`	optional	LOC classifications (Locarno classification numbers). Join multiple classifications with AND, OR, or NOT
`legalStatus`	`string`	optional	Comma-separated patent legal-status codes. Values: 1 (published), 2 (substantive examination), 3 (granted), 8 (duplicate-grant avoidance), 11 (withdrawn), 12 (withdrawn-unspecified), 17 (deemed withdrawn), 18 (voluntarily withdrawn), 13 (rejected), 14 (fully revoked), 15 (expired), 16 (annual fee unpaid), 21 (rights restored), 22 (rights terminated), 23 (partially invalid), 24 (application terminated), 30 (abandoned), 19 (deemed abandoned), 20 (voluntarily abandoned), 25 (abandoned-unspecified), 222 (PCT did not enter designated state within designation period), 223 (PCT entered designated state within designation period), 224 (PCT entered designated state after designation period), and 225 (PCT did not enter designated state after designation period)
`simpleLegalStatus`	`string`	optional	Comma-separated simplified patent legal-status codes. Values: 0 (inactive), 1 (active), 2 (pending), 220 (PCT designation period expired), 221 (within PCT designation period), and 999 (unconfirmed)
`assignees`	`string`	optional	Applicant or patent owner (maximum 1,000 characters)
`applyStartTime`	`string`	optional	Patent application start date in yyyyMMdd format
`applyEndTime`	`string`	optional	Patent application end date in yyyyMMdd format
`publicStartTime`	`string`	optional	Patent publication start date in yyyyMMdd format
`publicEndTime`	`string`	optional	Patent publication end date in yyyyMMdd format
`limit`	`integer`	optional	Number of patents to return, from 1 to 100. Default: 10 Example: 5
`offset`	`integer`	optional	Result offset, from 0 to 1,000. Default: 0 Example: 0
`field`	`string`	optional	Result sort field: SCORE (relevance), APD (application date), PBD (publication date), or ISD (grant date). Default: SCORE
`order`	`string`	optional	Available when field is APD, PBD, or ISD: desc (descending) or asc (ascending). Default: desc
`lang`	`string`	optional	Preferred title language: original (original patent title), cn (Chinese-translated title), or en (English-translated title). Default: original
`preFilter`	`integer`	optional	Whether to enable country/LOC pre-filtering: 1 for enabled and 0 for disabled. Default: 1 Example: 1
`stemming`	`integer`	optional	Whether to enable stemming: 1 for enabled and 0 for disabled. Default: 0 Example: 0
`mainField`	`string`	optional	Primary patent fields, including title, abstract, claims, specification, publication number, application number, applicant, inventor, and IPC/UPC/LOC classifications (maximum 1,000 characters)
`includeMachineTranslation`	`boolean`	optional	Include machine-translated data in the search Example: false
`scoreExpansion`	`boolean`	optional	Score expansion Example: false
`isHttps`	`integer`	optional	Whether to return images over HTTPS: 1 for HTTPS and 0 for HTTP. Default: 0 Example: 1
`returnImgId`	`boolean`	optional	Whether to return img_id. Default: false Example: false

Request example

{
  "country": "US",
  "offset": 0,
  "stemming": 0,
  "limit": 5,
  "isHttps": 1,
  "preFilter": 1,
  "model": 4,
  "patentType": "U",
  "url": "https://m.media-amazon.com/images/I/719mRAn2VrL._AC_SL1500_.jpg"
}

Response body

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`	`object`	required	Data value used by this API operation.
`data.total`	`integer`	optional	Number of records returned in this response Example: 1
`data.allRecordsCount`	`integer`	optional	Total number of matching records in the database Example: 1
`data.data`	`array`	optional	Matching patent records Example: []
`data.columns`	`array`	optional	Column definitions used for rendering Example: []
`data.type`	`string`	optional	Rendering style Example: null
`data.costToken`	`integer`	optional	Tokens consumed Example: 1
`data.data[].patentId`	`string`	optional	Similar patent ID Example: example-id
`data.data[].patentPn`	`string`	optional	Similar patent number Example: null
`data.data[].apno`	`string`	optional	Application number Example: null
`data.data[].title`	`string`	optional	Patent title Example: null
`data.data[].inventor`	`string`	optional	Inventor Example: null
`data.data[].originalAssignee`	`string`	optional	Original assignee Example: null
`data.data[].currentAssignee`	`string`	optional	Current assignee Example: null
`data.data[].authority`	`string`	optional	Patent authority (country code) Example: null
`data.data[].url`	`string`	optional	URL of the similar patent drawing Example: https://example.com/image.jpg
`data.data[].score`	`number`	optional	Similarity score; higher values indicate greater similarity. Available only when field is SCORE Example: 1
`data.data[].loc`	`array`	optional	LOC classification (Locarno classification number) Example: []
`data.data[].locMatch`	`integer`	optional	Whether a high-weight LOC class matched: 1 for matched and 0 for not matched. Available only when model=1 and field=SCORE Example: 1
`data.data[].apdt`	`integer`	optional	Application date (timestamp) Example: 1
`data.data[].pbdt`	`integer`	optional	Publication date (timestamp) Example: 1
`data.data[].imgId`	`string`	optional	Patent drawing img_id, returned only when returnImgId is true Example: example-id
`data.title`	`string`	optional	Provider-specific response title. Example: null
`data.sourceType`	`string`	optional	Provider-specific source platform type. Example: null
`data.sourceTool`	`string`	optional	Provider-specific source tool name. Example: null
`data.costTime`	`integer`	optional	Execution time reported by the upstream provider. Example: null
`data.page`	`integer`	optional	Current page returned by the upstream provider. Example: null
`data.pageSize`	`integer`	optional	Page size returned by the upstream provider. Example: null
`data.pageItemCount`	`integer`	optional	Item count on the current page returned by the upstream provider. Example: null
`data.totalPage`	`integer`	optional	Total page count returned by the upstream provider. Example: null
`data.dataSnapshotMonth`	`string`	optional	Data snapshot month returned by the upstream provider. Example: null

Any of option 2

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

Response example

Platform response envelope. code 0 indicates success or acceptance; data contains the business result.

{
  "data": {
    "total": 1,
    "allRecordsCount": 1,
    "data": [
      {
        "patentId": "example-id",
        "url": "https://example.com/image.jpg",
        "score": 1,
        "loc": [],
        "locMatch": 1,
        "apdt": 1,
        "pbdt": 1,
        "imgId": "example-id"
      }
    ],
    "columns": [],
    "costToken": 1
  },
  "code": 0,
  "msg": null,
  "ts": "0",
  "time": "2026-01-01 00:00:00",
  "cost": "-1",
  "traceId": null
}

Responses

Code	Description
200	HTTP request completed. Check JSON code; only 0 indicates business success or acceptance.
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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Retrieve patent abstract drawings from the Zhihuiya database by patent ID or publication number. Review request and response fields.

Patent Cited By API

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

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_zhihuiya_utility_patent_image_search",
    "arguments": {
      "country": "US",
      "offset": 0,
      "stemming": 0,
      "limit": 5,
      "isHttps": 1,
      "preFilter": 1,
      "model": 4,
      "patentType": "U",
      "url": "https://m.media-amazon.com/images/I/719mRAn2VrL._AC_SL1500_.jpg"
    }
  }
}

Online test

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

112 credits / callAPI usage records

Try it

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

Endpoint

https://api.nexscope.ai/api/skill-api/v1/skills/zhihuiya-utility-patent-image-search/run

MCP method

nexscope_zhihuiya_utility_patent_image_search

API key*

JSON payload*

cURL

curl -X POST \
  https://api.nexscope.ai/api/skill-api/v1/skills/zhihuiya-utility-patent-image-search/run \
  -H "Authorization: Bearer nk-..." \
  -H "Content-Type: application/json" \
  -d '{ "country": "US", "offset": 0, "stemming": 0, "limit": 5, "isHttps": 1, "preFilter": 1, "model": 4, "patentType": "U", "url": "https://m.media-amazon.com/images/I/719mRAn2VrL._AC_SL1500_.jpg" }'

Response

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