For agents: JSON · MCP

Glassnode

x402Not rated yetLast checked 2 hours ago

GET https://x402.glassnode.com/v1/metrics/institutions/us_spot_etf_flows_all

US Spot ETF Flows — An estimate of the daily net fund flow of the leading U.S.-listed spot Crypto ETFs, reflecting day-to-day changes in each ETF's holdings. 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.

Price$0.05per quote or market lookup · paid in USD on Base

Uptime100%

1/1 probes · 1079 ms

Score–Needs 3 checks

Paid usage, 30 days2payers · 2 calls

Other endpoints from x402.glassnode.com

The same service's other paid functions that Hagglyai tracks, each with its own price. Functions outside Hagglyai's categories are not listed.

Endpoint	Category	Price per call
GET /v1/metrics/indicators/nvt	Crypto prices & market data	$0.05
GET /v1/metrics/market/mvrv	Crypto prices & market data	$0.05

How to buy

This endpoint takes pay-per-call payments over x402. Call it once without paying to see its live price; any x402 client then pays and retries automatically.

curl -i -X GET "https://x402.glassnode.com/v1/metrics/institutions/us_spot_etf_flows_all"
# HTTP/1.1 402 Payment Required: price, asset and payTo are in the response

Recent checks

Checked (UTC)	Result	Status	Time	Live price
2026-10-14 18:30	Valid 402	402	1079 ms	$0.05

Receipts

No test purchases yet. Graded test purchases are next on our list; until then every number here comes from unpaid checks.

What a check proves