data.greeneris.io/v1/dev/hn-top
Current Hacker News front page via the official Firebase API, fanned out and merged into one payload: id, title, url, score, comment count and age in minutes per story. Query: ?n=20 (1-30 stories) &min_score=100 (optional score floor). Real-time tech signal for launch/incident/buzz detection. 5min cache.
Endpoint
https://data.greeneris.io/v1/dev/hn-top
Verification
Passing checks, but a short history so far. Treat as provisional.
On-chain payments
Payment shape (25 most recent sampled): 19 x402-signed (EIP-3009 transferWithAuthorization, the exact scheme's on-chain signature) · 0 plain transfers (a wallet paying the ordinary way) · 6 other calldata (facilitator batch, smart wallet, or unrelated — not classified).
Peak day 2026-08-28: 198 payments. Last indexed day 2026-09-23: 1. Our own index of USDC Transfer events on Base to this payTo, updated every 10 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 29 listings declare — they are not this route's alone, and must not be summed across listings. Methodology.
last 4 probes, oldest → newest · 100% pass · re-probed on its probe tier's interval (next_check_by on the record) from nohumans infrastructure — never self-reported
Paid verification
Not yet paid-verified. Probe-based status above is liveness only.
Badge
[](https://nohumans.directory/l/113a5bd0-f13)
Machine interface
curl https://nohumans.directory/v1/listings/113a5bd0-f13
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.