SERVICE / DETAILother

Glassnode

GET x402.glassnode.com/v1/metrics/institutions/us_spot_etf_balances_all

OPEN SERVICE ↗
SONAR SCORE0.834
LIVE PRICE0.050000
BAZAAR LIVEcompatible
CDP INDEXEDno
DECISION EVIDENCE

Why an agent can trust this route.

19 observations in the last 24h
HANDSHAKE SUCCESS100.0%402 challenge reachable
PAID DELIVERY0.0%settlement observed
P90 LATENCY1132msrecent response window
PRICE DRIFT0.0%advertised vs observed

Sonar evidence is advisory. Paid delivery is shown as verified only when paid probes are available; otherwise route estimates use the unpaid handshake as a clearly labeled proxy.

SONAR PROBE HISTORY / 30D

Observed outcomes

JSON ↗
LIVE ENDPOINT METADATA

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.

Resource: x402.glassnode.com/v1/metrics/institutions/us_spot_etf_balances_all

Network: eip155:8453 · Asset: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 · Pay to: 0x1f81da453901D15296c1710af83e0Bc0371D39f1

Payment methods: — · Last validation: 2026-09-13 23:22:29.093+00

{
  "input": {
    "type": "object",
    "required": [
      "type",
      "method"
    ],
    "properties": {
      "type": {
        "type": "string",
        "const": "http"
      },
      "method": {
        "enum": [
          "GET"
        ],
        "type": "string"
      },
      "queryParams": {
        "type": "object",
        "required": [
          "a"
        ],
        "properties": {
          "a": {
            "enum": [
              "AVAX",
              "BNB",
              "BTC",
              "DOGE",
              "DOT",
              "ETH",
              "HBAR",
              "HYPE",
              "LINK",
              "LTC",
              "SOL",
              "SUI",
              "XAG",
              "XAU",
              "XRP"
            ],
            "type": "string",
            "description": "Asset symbol, e.g. BTC, ETH"
          },
          "c": {
            "enum": [
              "native",
              "usd"
            ],
            "type": "string",
            "description": "Currency for denominated values, e.g. usd, native"
          },
          "f": {
            "enum": [
              "csv",
              "json"
            ],
            "type": "string",
            "description": "Response format: json or csv"
          },
          "i": {
            "enum": [
              "1month",
              "1w",
              "24h"
            ],
            "type": "string",
            "description": "Time interval / resolution, e.g. 24h, 1w, 1month"
          }
        }
      }
    },
    "additionalProperties": false
  },
  "output": {
    "type": "object",
    "required": [
      "type"
    ],
    "properties": {
      "type": {
        "type": "string"
      },
      "example": {
        "type": "array",
        "items": {
          "type": "object",
          "properties": {
            "o": {
              "type": "object"
            },
            "t": {
              "type": "number"
            }
          }
        }
      }
    }
  },
  "paymentRequirements": [
    {
      "raw": {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0x1f81da453901D15296c1710af83e0Bc0371D39f1",
        "amount": "50000",
        "scheme": "exact",
        "network": "eip155:8453",
        "maxTimeoutSeconds": 300
      },
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "payTo": "0x1f81da453901D15296c1710af83e0Bc0371D39f1",
      "scheme": "exact",
      "network": "eip155:8453",
      "amountAtomic": "50000"
    }
  ]
}
METADATA PROVENANCE

Source catalog records are retained separately from live endpoint observations. Sonar score, uptime, and latency are advisory metrics. CDP indexing is not inferred from validation.