← All endpoints
patentpulse.theaslangroupllc.com patent trends
https://patentpulse.theaslangroupllc.com/api/patent/trends
answers 402, partial
Patent trends / technology filing-trend analysis for a tech field or CPC class. Returns USPTO filing-volume trend by year, top filers/assignees, notable recent patents, global filing context (China/EU/Japan), and the academic research frontier (OpenAlex). For R&D-strategy and competitive-intelligence agents. Worldwide.
We sent a real
GET request to this endpoint and it
answered 402 with payment requirements we could parse.
It advertises 13 ways to pay and only 12 of them are usable.- Price
- $0.10
- Network
- base
- Pay to
- 0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- GET
- Response latency
- 215 ms
- Payment options
- 12 usable of 13
- Last checked
- 2026-08-15T14:33:02.908Z (5d ago)
- Category
- search
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fpatentpulse.theaslangroupllc.com%2Fapi%2Fpatent%2Ftrends"