the402 endpoint detail

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api.govparse.io patents search

https://api.govparse.io/v1/patents/search

payable

Which companies just got a US patent, and in what technology? Search recent granted patents (PatentsView, CC BY 4.0) by assignee organization (the company), inventor, CPC subclass/section, patent type, or assignee state/country and grant-date window. new_assignee=true isolates patents from an org with its first-ever grant (emerging/stealth signal); flipped_inventor=true finds a patent whose assign

We sent a real GET request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$1.25
Network
base
Pay to
0x3873d15CF3209c32aaA8d9AA542164E658567129
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
GET
Response latency
107 ms
Payment options
2 usable of 2
Last checked
2026-08-10T09:18:47.696Z (1d ago)
Category
search

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.govparse.io%2Fv1%2Fpatents%2Fsearch"