$0.05
per call · USD Coin on Base
Crypto ETF Sentinel — Single-issuer XBRL snapshot for one US spot crypto ETF: latest AUM, NAV per share, shares outstanding, expense ratio, sponsor fees, total return. Use when you need one fund's latest SEC-reported financials in a single call. expense_ratio can be null if extraction missed it. Pass the issuer's SEC CIK as cik.
Endpoint
GET https://api.cryptoetfsentinel.com/v1/xbrl/issuer3
Calls / 30d
1
Unique payers / 30d
Sep 6
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/xbrl/issuer", {
method: "GET",
});
const data = await res.json();curl -X GET \
"https://api.cryptoetfsentinel.com/v1/xbrl/issuer?cik=0001980994" \
-H "X-PAYMENT: <signed x402 payment>"Example response
{
"data": {
"aum": 67415764355,
"cik": "0001980994",
"expense_ratio": 0.0026,
"fact_count": 345,
"name": "iShares Bitcoin Trust ETF",
"nav_per_share": 49.61,
"period_end": "2025-12-31",
"shares_outstanding": 1358680000,
"sponsor_fees": 174563824,
"total_return": 0.6084
},
"meta": {
"total": null
}
}Payment details
0x169bf49c6ee5a179190121ab8d180b50e31683d1USD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913Is this your API?
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