$0.03
per call · USD Coin on Base
Crypto ETF Sentinel — Side-by-side comparison of ALL trading US spot crypto ETFs: POS AM profile, XBRL financials, market data and Fund Health metrics (premium/discount, tracking, implied NAV) per fund. Use when choosing between crypto ETFs or building a comparison table in one call. No params. Some Fund Health fields can be null if the market-data fetch fails.
Endpoint
GET https://api.cryptoetfsentinel.com/v1/profiles/comparison4
Calls / 30d
2
Unique payers / 30d
Sep 9
Last called
exact
Payment scheme
Call this service
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.cryptoetfsentinel.com/v1/profiles/comparison", {
method: "GET",
});
const data = await res.json();curl -X GET \
"https://api.cryptoetfsentinel.com/v1/profiles/comparison" \
-H "X-PAYMENT: <signed x402 payment>"Example response
{
"data": [
{
"aum": 67415764355,
"basket_size": 40000,
"cik": "0001980994",
"crypto": "bitcoin",
"custodian": "Coinbase Custody Trust Company, LLC",
"exchange": "Nasdaq",
"expense_ratio": 0.0026,
"holdings_crypto_units": 762495.59,
"inkind_eligible": true,
"market_price": 49.72,
"name": "iShares Bitcoin Trust ETF",
"nav_per_share": 49.61,
"premium_discount_pct": 0.22,
"return_ytd": -3.1,
"sponsor_fee": "0.25%",
"ticker": "IBIT",
"tracking_error_live_pct": null
}
],
"meta": {
"total": 34
}
}Payment details
0x169bf49c6ee5a179190121ab8d180b50e31683d1USD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913Is this your API?
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