How do I get a free PatentsView API key?

To get a free PatentsView API key, visit their official developer portal at https://patentsview.org/apis/purpose, sign up for a free developer account, and generate your API key from the dashboard. You can use it within the free tier rate limit of Unlimited.

What is the rate limit for PatentsView API?

PatentsView provides a free tier rate limit of: Unlimited. For high-throughput production requirements beyond this allowance, refer to their official documentation.

Can I use PatentsView in commercial projects?

Most free endpoints permit commercial or prototyping use within fair use terms. Please inspect official provider docs for production SLAs.

Does FreeAPI store data or charge fees for this service?

No. FreeAPI is an independent API directory and developer showcase. It does not sell third-party data or charge fees; it connects developers directly to official public endpoints.

Patents & Intellectual PropertyKey Required

PatentsViewFree REST API

USPTO patent intelligence database covering patent grants, inventors, assignees, and technology trends.

API Docs

Developer Workbench & Live ConsoleKey Required

Test real endpoints directly, inspect live JSON, or copy implementation code.

Official Docs

Endpoint Requestready

GET

curl -X GET "https://api.patentsview.org/patents/query?q=%7B%22patent_number%22:%2210000000%22%7D" \
  -H "Accept: application/json" \
  -H "Authorization: Bearer <YOUR_API_KEY>"

ResponseReady / Idle

Ready for Live Evaluation

Click [ Send Request ] to dispatch a real request via FreeAPI proxy and inspect real JSON payloads.

Rate Limit

Unlimited

Auth Mode

Key Required

Security & CORS

HTTPS • CORS Ready

Protocol

REST / JSON

An external API key is required to authenticate requests with PatentsView. Allowance: Unlimited.

Get API Key ↗

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5,000 Free API Credits

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Authoritative ICANN RDAP (RFC 9082) domain registry inspector for expiration dates, registrar metadata, and DNSSEC.

Launch Tool

Interactive Web Tool Available

Test and interact with this service in your browser using our ICANN RDAP / Modern WHOIS Domain Inspector tool.

Open Live Tool

Frequently Asked Questions (FAQ)

Technical and integration answers for PatentsView.

Yes, PatentsView is listed as a free endpoint on FreeAPI Directory with an allowance of: Unlimited.

Official Service Provider Ownership: PatentsView

All data feeds, trademarks, and documentation belong directly to the original API provider. FreeAPI serves purely as a discovery index and documentation reference for developers.

DMCA / Takedown Request

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