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patentpulse.theaslangroupllc.com patent prior-art
https://patentpulse.theaslangroupllc.com/api/patent/prior-art
answers 402, partial
Prior art search / novelty search / patentability check for an invention or claim. Searches USPTO patents (abstract + title), EPO/WIPO/JPO global filings, and 200M+ academic papers (OpenAlex) to surface prior art and assess patentability and novelty before filing. For inventor and patent 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
- $0.12
- Network
- base
- Pay to
- 0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- GET
- Response latency
- 162 ms
- Payment options
- 12 usable of 13
- Last checked
- 2026-08-15T14:33:14.253Z (5d ago)
- Category
- search
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fpatentpulse.theaslangroupllc.com%2Fapi%2Fpatent%2Fprior-art"