ToolAssay

Crypto ETF Sentinel — Crypto ETF AUM leaderboard

Crypto ETF Sentinel — Crypto ETF AUM leaderboard: top-N US spot crypto ETF issuers ranked by assets under management or another XBRL TIER1 concept, from daily-updated XBRL facts. Use when you need the largest Bitcoin, Ethereum and other crypto ETFs by fund size. Optional concept, unit, taxonomy and limit params.

Answeringour last check, 2026-09-24
1 of 1checks answered this week
869 msmedian answer time
$0.1listed price per call
$0.1price it asked us

Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.

Endpoint

GET https://api.cryptoetfsentinel.com/v1/xbrl/leaderboard

CategoryMarket data
Provider hostapi.cryptoetfsentinel.com
Networkseip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp
Payment schemesexact
Self-reported calls, 30 days2 from 1 payers (the provider's figure, not ours)

Our checks, last 30 days

DayResultHTTPAskedTime
2026-09-24 valid payment request 402$0.1 869 ms

Example input (from the provider)

{
  "method": "GET",
  "queryParams": {
    "concept": "InvestmentOwnedAtFairValue",
    "limit": 20
  },
  "type": "http"
}

Promised output schema (from the provider)

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "method": {
          "enum": [
            "GET",
            "HEAD",
            "DELETE"
          ],
          "type": "string"
        },
        "queryParams": {
          "properties": {
            "concept": {
              "default": "InvestmentOwnedAtFairValue",
              "description": "XBRL TIER1 concept (e.g. InvestmentOwnedAtFairValue = AUM, NetAssetValuePerShare).",
              "type": "string"
            },
            "limit": {
              "default": 20,
              "description": "Max results (default 20, max 50)",
              "maximum": 50,
              "minimum": 1,
              "type": "integer"
            },
            "taxonomy": {
              "description": "Taxonomy filter; auto-resolved from concept if omitted.",
              "type": "string"
            },
            "unit": {
              "description": "Unit filter; auto-resolved from concept if omitted.",
              "type": "string"
            }
          },
          "required": [],
          "type": "object"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "properties": {
            "data": {
              "description": "The endpoint payload \u2014 type varies per route"
            },
            "error": {
              "type": [
                "string",
                "null"
              ]
            },
            "meta": {
              "properties": {
                "limit": {
                  "type": [
                    "integer",
                    "null"
                  ]
                },
                "offset": {
                  "type": [
                    "integer",
                    "null"
                  ]
                },
                "total": {
                  "type": [
                    "integer",
                    "null"
                  ]
                }
              },
              "type": "object"
            }
          },
          "required": [
            "data"
          ],
          "type": "object"
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}

This page as JSON