Api Endpoint

Glassnode

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.

Open interactive test console

Offering

Provider
x402.glassnode.com
Method
GET
Offering type
Api Endpoint
Transport type
http
Category
Blockchain And Crypto
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://x402.glassnode.com/v1/metrics/institutions/us_spot_etf_flows_all
MIME type
application/json
First seen
2026-10-16T01:51:10.599Z
Last seen
Tags
glassnode, Crypto, on-chain, analytics, metrics, etf, institutions, entities, companies

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1
0.05 USDC
Atomic price: 50000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "50000",
    "payTo": "0x1f81da453901D15296c1710af83e0Bc0371D39f1"
  }
]

Observed health

Status
Healthy
Latest latency
290 ms
Average latency
478 ms
HTTP status
402
Last checked
Reachability
100% over 14 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "additionalProperties": false,
  "properties": {
    "method": {
      "enum": [
        "GET"
      ],
      "type": "string"
    },
    "queryParams": {
      "properties": {
        "a": {
          "description": "Asset symbol, e.g. BTC, ETH",
          "enum": [
            "AVAX",
            "BNB",
            "BTC",
            "DOGE",
            "DOT",
            "ETH",
            "HBAR",
            "HYPE",
            "LINK",
            "LTC",
            "SOL",
            "SUI",
            "XAG",
            "XAU",
            "XRP"
          ],
          "type": "string"
        },
        "c": {
          "description": "Currency for denominated values, e.g. usd, native",
          "enum": [
            "native",
            "usd"
          ],
          "type": "string"
        },
        "f": {
          "description": "Response format: json or csv",
          "enum": [
            "csv",
            "json"
          ],
          "type": "string"
        },
        "i": {
          "description": "Time interval / resolution, e.g. 24h, 1w, 1month",
          "enum": [
            "1month",
            "1w",
            "24h"
          ],
          "type": "string"
        }
      },
      "required": [
        "a"
      ],
      "type": "object"
    },
    "type": {
      "const": "http",
      "type": "string"
    }
  },
  "required": [
    "type",
    "method"
  ],
  "type": "object"
}

Output schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "method": {
          "enum": [
            "GET"
          ],
          "type": "string"
        },
        "queryParams": {
          "properties": {
            "a": {
              "description": "Asset symbol, e.g. BTC, ETH",
              "enum": [
                "AVAX",
                "BNB",
                "BTC",
                "DOGE",
                "DOT",
                "ETH",
                "HBAR",
                "HYPE",
                "LINK",
                "LTC",
                "SOL",
                "SUI",
                "XAG",
                "XAU",
                "XRP"
              ],
              "type": "string"
            },
            "c": {
              "description": "Currency for denominated values, e.g. usd, native",
              "enum": [
                "native",
                "usd"
              ],
              "type": "string"
            },
            "f": {
              "description": "Response format: json or csv",
              "enum": [
                "csv",
                "json"
              ],
              "type": "string"
            },
            "i": {
              "description": "Time interval / resolution, e.g. 24h, 1w, 1month",
              "enum": [
                "1month",
                "1w",
                "24h"
              ],
              "type": "string"
            }
          },
          "required": [
            "a"
          ],
          "type": "object"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "items": {
            "properties": {
              "o": {
                "type": "object"
              },
              "t": {
                "type": "number"
              }
            },
            "type": "object"
          },
          "type": "array"
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}