agents.x402stock.xyz/api/v1/patent/:application/continuity
The patent family for one application — pass the `{application}` number. Returns parent and child applications with their numbers, filing dates, status, and the continuity relationship (continuation, divisional, national-stage entry, etc.). Maps how deep a company's protection on an invention runs. Source: USPTO. From x402stock, a market & economic data API (x402, USDC).
Endpoint
https://agents.x402stock.xyz/api/v1/patent/:application/continuity
Verification
On-chain payments
Payment shape (25 most recent sampled): 25 x402-signed (EIP-3009 transferWithAuthorization, the exact scheme's on-chain signature) · 0 plain transfers (a wallet paying the ordinary way) · 0 other calldata (facilitator batch, smart wallet, or unrelated — not classified).
Peak day 2026-08-26: 387 payments. Last indexed day 2026-09-05: 119. Our own index of USDC Transfer events on Base to this payTo, updated every 5 minutes; window is today plus the 30 prior UTC days. Base USDC only — a seller settling elsewhere reads as quiet here. These figures belong to the address, which 86 listings declare — they are not this route's alone, and must not be summed across listings. Methodology.
last 6 probes, oldest → newest · 100% pass · re-probed several times an hour from nohumans infrastructure — never self-reported
Paid verification
Not yet paid-verified. Probe-based status above is liveness only.
Badge
[](https://nohumans.directory/l/0621e386-9c2)
Machine interface
curl https://nohumans.directory/v1/listings/0621e386-9c2
Own this service? Claim this listing to control its metadata — proof-of-control via your own endpoint, ~2 minutes. Works for submitted listings too, and recovers a lost token.