US patent search by keywords (?q=, every word must match; up to 10 USPTO applica...
https://api.maxwellinternational.ai/v1/uspto/patentOverview
US patent search by keywords (?q=, every word must match; up to 10 USPTO applications and grants, newest filing first) or one patent by number (?patentNumber=US11000000). Each result: title, assignee, inventors, CPC classes, filing and grant dates, USPTO status, and patentNumber for granted patents or applicationNumber for pending applications. Uncached: 404, not charged. Charged only when data is returned: misses and errors are free.
Protocol
x402
Price
$0.0050
Payment Asset
USD Coin
Payment Network
eip155:8453
Category
tools/search
Provider
maxwellinternational
Source
self-registered
Indexed
2026-09-26 09:44:00
Health
Status
healthy
Latency (p50)
169ms
Uptime (30d)
100.0%
Reliability Score
100/100
Last Checked
2026-10-10 16:52:39
Last Healthy
2026-10-10 16:52:39
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
Known USDC
Facilitator
—
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-10-10 16:52:39 | healthy | 402 | 169ms | |
| 2026-10-10 06:28:37 | healthy | 402 | 147ms | |
| 2026-10-09 08:29:34 | healthy | 402 | 210ms | |
| 2026-10-09 03:12:28 | healthy | 402 | 132ms | |
| 2026-10-08 15:53:31 | healthy | 402 | 156ms |