81trust / 100
Institutions Us Spot Etf Balances All
by Glassnode in Onchain & crypto
x402 APIPassing, checked 2 h ago
US Spot ETF Balances — The most recent holdings of the leading U.S.-listed spot Crypto ETFs, typically reflecting balances at the end of the previous trading day (T+1). Covers major Bitcoin ETFs (e.g. IBIT, GBTC, FBTC, ARKB, BITB) and Ethereum ETFs (e.g. ETHA, ETHE, FETH, ETHV, QETH) from issuers such as BlackRock, Grayscale, Fidelity, Bitwise, and VanEck. Data by Glassnode.
GET https://x402.glassnode.com/v1/metrics/institutions/us_spot_etf_balances_all
Last 30 days
All checks passedSome failedAll failedNot checked
- Uptime
- 100%
- Response time
- 53 ms typical, 53 ms slowest 5%
- Last check
- 2 h ago
- Next check
- any minute now
How to call it
# See the payment challenge (nothing is charged)
curl -i -X GET "https://x402.glassnode.com/v1/metrics/institutions/us_spot_etf_balances_all?a=BTC&i=24h"import { wrapFetchWithPayment } from "@x402/fetch";
import { x402Client } from "@x402/core/client";
import { ExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";
const client = new x402Client().register(
"eip155:8453",
new ExactEvmScheme(privateKeyToAccount(process.env.AGENT_KEY)),
);
const pay = wrapFetchWithPayment(fetch, client);
// Not sure it's safe to pay? Preflight it first for $0.005:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fx402.glassnode.com%2Fv1%2Fmetrics%2Finstitutions%2Fus_spot_etf_balances_all
const res = await pay("https://x402.glassnode.com/v1/metrics/institutions/us_spot_etf_balances_all?a=BTC&i=24h");
console.log(await res.json());Example input
{
"a": "BTC",
"i": "24h"
}Example output
[
{
"o": {
"ARKB": 33586.5747,
"BITB": 36327.11788891,
"BRRR": 5939.43,
"BTC": 54268.6955,
"BTCO": 6240.0601,
"BTCW": 2309.68917599
},
"t": 1782172800
}
]Security scan
- No findings. We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.
Recent checks
| When | Result | HTTP | Time | Price |
|---|---|---|---|---|
| 2 h ago | Passed | 402 | 55 ms | $0.05 |
| 7 h ago | Passed | 402 | 53 ms | $0.05 |