app.tenna.ai/api/x402/tenna/observatory_round_preview
Latest Sealed BTC Forecast. Latest sealed five-minute LUMI, TENNA, and consensus forecast from TENNA Observatory, including English commentary, recent accuracy, and eligible live edge-node consensus. Reuses existing app.tenna.ai output with no extra AI call. Eligible external wallets may receive one zero-budget preview per UTC day; 0.01 USDC is the fallback rate because ACP cannot list a zero price. Experimental forecast with no demonstrated edge.
Endpoint
https://app.tenna.ai/api/x402/tenna/observatory_round_preview
Verification
Passing checks, but a short history so far. Treat as provisional.
On-chain payments
Peak day 2026-09-06: 7 payments. Last indexed day 2026-09-20: 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 8 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 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/15f8e164-717)
Machine interface
curl https://nohumans.directory/v1/listings/15f8e164-717
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.