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StablecoinPulse · Reserve Check

by StablecoinPulse

GETBaseSolanaArbitrumPolygonWorld ChainMonadX LayerHyperEVMAlgorandXRP LedgerBNB Chain

$0.2

per call · USD Coin on Base

Reserve-attestation freshness and composition check for a named stablecoin issuer — loud staleness flag when no recent attestation date can be found, reserve composition cited to source where disclosed.

Endpoint

GET https://stablecoinpulse.theaslangroupllc.com/api/reserve-check

2

Calls / 30d

1

Unique payers / 30d

Aug 20

Last called

exact

Payment scheme

Call this service

TypeScript · @x402/fetch
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://stablecoinpulse.theaslangroupllc.com/api/reserve-check", {
  method: "GET",
});
const data = await res.json();
cURL
curl -X GET \
  "https://stablecoinpulse.theaslangroupllc.com/api/reserve-check?issuer=Tether&stablecoin=USDT" \
  -H "X-PAYMENT: <signed x402 payment>"

Example response

{
  "attestation_freshness": {
    "days_since": 52,
    "latest_date_found": "2026-05-15",
    "stale_flag": "aging"
  },
  "issuer": "Tether",
  "stablecoin": "USDT"
}

Payment details

Pay to0x50ab2018c06c6e4eaa9ba52057eb55ed284912fc
AssetUSD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913
NetworksBase, Solana, Arbitrum, Polygon, World Chain, Monad, X Layer, HyperEVM, Algorand, XRP Ledger, BNB Chain
Schemesexact

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