api.truthbear.co/gauge/lifecycle
One id in, its official lifecycle state out - no need to know which line tracks it first. Covers 19 lifecycle lines (stablecoins, AI tools and datasets, neoclouds, DePIN, RWA, carbon projects, ESG funds, tariff measures and more): status band, birth/end dates, death type, lifespan, official source_ref. If two lines track the same id you get BOTH - nothing is picked for you. Unknown id -> 422 no_charge, not billed. Every record carries an offline-recomputable record_hash. $0.0050 per call.
Endpoint
https://api.truthbear.co/gauge/lifecycle
Verification
On-chain payments
Payment shape (25 most recent sampled): 24 x402-signed (EIP-3009 transferWithAuthorization, the exact scheme's on-chain signature) · 1 plain transfers (a wallet paying the ordinary way) · 0 other calldata (facilitator batch, smart wallet, or unrelated — not classified).
Peak day 2026-08-16: 441 payments. Last indexed day 2026-09-03: 3. 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 53 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/4121d892-211)
Machine interface
curl https://nohumans.directory/v1/listings/4121d892-211
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.