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x402.glassnode.com institutions us_spot_etf_balances_all
https://x402.glassnode.com/v1/metrics/institutions/us_spot_etf_balances_all
answers 402
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.
We sent a real
GET request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.05
- Network
- base
- Pay to
- 0x1f81da453901D15296c1710af83e0Bc0371D39f1
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- GET
- Response latency
- 363 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-08-15T14:28:16.844Z (4d ago)
- Category
- finance-crypto
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fx402.glassnode.com%2Fv1%2Fmetrics%2Finstitutions%2Fus_spot_etf_balances_all"