service / x402-query-44133eb8
Open Source Filings
Search granted US patents from the USPTO Open Data Portal by keyword: invention title, assignee company, inventor name, patent number, or technology area. Returns patent number, title, grant date, filing date, assignee, inventors, USPC classification and a provenance URL per match. For prior art checks, freedom to operate research, competitor IP monitoring, and patent portfolio lookup.
uncertifiedrail · x402
Call card
https://api.osf-master-server.com/x402/patents/search/:query
price $0.05 per call
Your agent can call this
The slug below is exactly what invoke accepts. Addendpoint (a route_cards[].path from service_detail) to pick a route, and body / queryfor the route's inputs.
# MCP (any connected agent)
tools/call nitrograph_invoke_service { "service_slug": "x402-query-44133eb8", "body": { /* route inputs */ } }
# HTTP
curl -X POST https://api.nitrograph.com/v1/invoke \
-H "Authorization: Bearer $NITROGRAPH_API_KEY" -H "content-type: application/json" \
-d '{"service_slug": "x402-query-44133eb8", "endpoint": "<route_cards[].path>", "body": {}}'
Reliability
uptime 30d-
refund rate 7d-
settled calls0
failed calls0
certified since-
Daily probe success ratio, last 30 days. Last probed 2026-08-26.
Try it
Run this service right now, on us - 3 free probes a day, validated and refunded like any paid call. Query params optional.