Truth Bear · Stable Census

import { wrapFetchWithPayment } from "@x402/fetch";
import { privateKeyToAccount } from "viem/accounts";

const account = privateKeyToAccount(process.env.PRIVATE_KEY);
const fetchWithPay = wrapFetchWithPayment(fetch, account);

const res = await fetchWithPay("https://api.truthbear.co/stable/census", {
  method: "GET",
});
const data = await res.json();

curl -X GET \
  "https://api.truthbear.co/stable/census?verifiable=optional+-+set+to+1+to+attach+%60_hash_core%60+per+row+%28the+canonical+pre-image+of+the+record_hash+for+that+row%29+so+you+can" \
  -H "X-PAYMENT: <signed x402 payment>"

{
  "current": {
    "death_type": "depeg-abandoned",
    "lifespan_days": 152,
    "ongoing": false,
    "state": "dead"
  },
  "data_age_hours": 0,
  "entity": "basis-cash-bac",
  "entity_name": "Basis Cash (BAC)",
  "hash_core_version": 4,
  "lifecycle": {
    "birth_at": "2020-11-30",
    "context": "The algorithmic stablecoin BAC traded below USD 1 for a long period and never regained its peg; after the seigniorage...",
    "death_type": "depeg-abandoned",
    "end_at": "2021-05-01",
    "issuer": "Basis Cash (anon)",
    "lifespan_days": 152,
    "mechanism": "algorithmic",
    "ongoing": false,
    "peg": "usd",
    "state": "dead"
  },
  "observed_at": "2026-08-24T15:00:00.121Z",
  "record_hash": "sha256:664da5b5c8cc399928a3149a49732e15d67f66d69b683e1469c0ab9871d8d702",
  "signal_id": "stablecoin.lifecycle",
  "snapshot_date": "2026-08-24",
  "source_ref": "https://www.coingecko.com/en/coins/basis-cash",
  "source_tier": "T1"
}