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USPTO API

by USPTO Free tier

Home page of the United States Patent and Trademark Office

developer

Quick Reference

Base URL https://www.uspto.gov Auth type none Auth header # No auth required Rate limit See documentation Pricing Free tier available Free quota Completely free Documentation https://www.uspto.gov/learning-and-resources/open-data-and-mobility Endpoint status Live — HTTP 200 — endpoint is accessible1.13s (checked Mar 29, 2026) Builder score C 52% builder-friendly
Pricing
90
Latency
60
Depth
18

Authentication

No authentication required

# No auth required

Pricing

Model freemium Starting price Free tier available Free quota Completely free

Free — open public API, no authentication required.

Key Endpoints

MethodPathDescription
GET / See documentation for endpoint reference

Sample Request

curl 'https://www.uspto.gov'

Sample Response

{}

Data sourced from API Map. Always verify pricing and rate limits against the official USPTO documentation.