x402stock.xyz
A company's US patents from the USPTO Open Data Portal, newest filings first. Pass `?company=Tesla` (required, matches APPLICANT name — subsidiaries/variants need separate queries) plus `?limit=` (max 100). Each carries patent & application
Go to this service →Our latest check (2026-10-11)
- Answering
- Yes — valid x402 payment terms
- Time to answer
- 728 ms
- Price
- $0.020 per call
- Paying buyers, last 30 days
- 5 (directory's own records)
- Paid calls, last 30 days
- 12
- Category
- Company filings (SEC)
- Address
- https://x402stock.xyz/api/v1/patents
Accuracy
Accuracy scores are published once a seller has enough paid checks against an independent record (at least 7 scored answers over at least 7 days). Until then no score is shown, and a missing score is never a pass.
For agents
This page as JSON: /sellers/944fc77b4ed0.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).