Marketplace · API · x402

x402.glassnode.com/v1/metrics/institutions/us_spot_etf_flows_net

US Spot ETF Net Flows — The total net fund flow of the leading U.S.-listed spot Crypto ETFs, reflecting day-to-day changes in their 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.

Endpointhttps://x402.glassnode.com/v1/metrics/institutions/us_spot_etf_flows_net
Trust✓ Verified callable · 100% uptime over 1 checks · ~261 ms
PricingPay per call with x402, no account. Call it to get an exact quote before paying.
networkeip155:8453
schemeexact
pay to0x1f81da453901D15296c1710af83e0Bc0371D39f1
methodGET
last updated2026-11-11T16:12:34.619Z

Use it

Call it (an x402 client pays automatically)

curl -i https://x402.glassnode.com/v1/metrics/institutions/us_spot_etf_flows_net
# 402 reply -> sign PAYMENT-REQUIRED with an x402 client (e.g. @x402/fetch) -> retry with PAYMENT-SIGNATURE

This listing as JSON

curl https://aipaygen.com/v1/catalog/api/x402-c1776001f5194a61

Search the whole marketplace from your agent (MCP)

{
  "mcpServers": {
    "aipaygen": {
      "url": "https://aipaygen.com/mcp"
    }
  }
}