Zhihuiya Patent Image Search API
Find visually similar design patents from an image URL with country, legal-status, date, Locarno-classification, and assignee.
Nexscope Data APIs
Choose a patent research operation to examine records relevant to a product idea. Research results are not legal clearance.
Explore Zhihuiya Patent Image Search, Patent Fulltext Images, Patent Search, and more.
Access and credit requirements vary by operation.
15 APIs available
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Find visually similar design patents from an image URL with country, legal-status, date, Locarno-classification, and assignee.
Retrieve drawings, diagrams, and charts from patent documents by patent ID or publication number.
Find patents and their publication numbers for product research.
Look up a patent's publication details, applicants, and inventors.
Check a patent's recorded legal status. Results come back as structured JSON.
Read a patent's full technical description by ID or publication number.
View patent abstract drawings by patent ID or publication number.
Read a patent's claims to understand what the patent covers.
Read translated patent claims. Results come back as structured JSON.
Read translated patent descriptions.
Read translated patent titles and abstracts.
Look up patent titles, abstracts, dates, applicants, and inventors.
Find related patent filings across countries and patent offices.
Find later patents that cite a patent you are researching.
Retrieve patent documents and non-patent literature cited by one or more patents for prior-art, citation, and technology.
Available operations include Zhihuiya Patent Image Search, Patent Fulltext Images, Patent Search. Choose the operation that matches the information you need, then inspect its required identifiers and response fields in the official documentation.
Select an API card to open its matching Nexscope API documentation. Use the online testing area there after supplying the credentials and required inputs shown for that operation. This directory does not execute API requests.
No. Marketplace coverage, inputs, returned fields and credit requirements vary by operation. Check the selected API’s official documentation before integration; do not assume that one API’s capabilities apply to another.
Yes. Developers can call the documented REST endpoints from an application or agent workflow. Keep API credentials in a protected server environment, and validate results before using them for business decisions.
All-time recorded usage · Updated 2026-10-29. Includes test accounts and all request statuses. Categories sum calls and users across listed APIs; a user of multiple APIs may count more than once.
Credit ranges · Updated 2026-10-29. Minimum 10 credits per call. Ranges use recorded positive charges for successful calls with this minimum applied, not a current price quote. Check official documentation for current costs; - means no recorded range.