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API Playground

Choose an API, paste your X-API-Key, edit the request parameters, and send a real request from your browser.

All APIs
Trademark Search →

Paginated search for public trademark registration information including name, registration number, international class, and status via keywords, suitable for company name verification and preliminary search reference.

Try it out

Paste your X-API-Key, edit the request parameters, and send a real request. Useful for integration checks.

GEThttps://openapi.toolkk.com/v1/trademark-search?keyword=%E5%8D%8E%E4%B8%BA&pagenum=1&pagesize=10&ismatch=0

Without an API key the request will go out anonymously and may be rejected by the gateway.

// Response will appear here after you send the request