{
  "x402Version": 2,
  "id": 5918,
  "slug": "5918",
  "resource": "https://api.cryptoetfsentinel.com/v1/xbrl/leaderboard",
  "description": "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.",
  "type": "http",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0x169Bf49c6ee5A179190121Ab8D180B50e31683d1",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "100000",
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
      "payTo": "Ezzbt3d3K76pmQpwbeXkggCs5n7Q3JWG3iCmtdKdpMxk",
      "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
      "amount": "100000",
      "maxTimeoutSeconds": 300
    }
  ],
  "outputSchema": {
    "bazaar": {
      "info": {
        "input": {
          "method": "GET",
          "queryParams": {
            "concept": "InvestmentOwnedAtFairValue",
            "limit": 20
          },
          "type": "http"
        },
        "output": {
          "example": {
            "data": [
              {
                "cik": "0001980994",
                "concept": "NetAssetsUSD",
                "name": "iShares Bitcoin Trust",
                "period_end": "2026-03-31",
                "ticker": "IBIT",
                "value": 56240000000
              }
            ],
            "meta": {
              "total": 1
            }
          },
          "type": "json"
        }
      },
      "schema": {
        "$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 — 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"
      }
    }
  },
  "tags": [
    "bazaar"
  ],
  "sourceHost": "api.cryptoetfsentinel.com",
  "lastUpdated": "2026-09-06T08:43:19.079Z",
  "quality": {
    "calls30d": 2,
    "uniquePayers30d": 1,
    "lastCalledAt": "2026-09-06T08:43:18.879Z"
  },
  "liveness": {},
  "verified": false,
  "featured": false,
  "provider": {
    "host": "api.cryptoetfsentinel.com",
    "manifest_name": "api.cryptoetfsentinel.com",
    "source": "cdp-mirror",
    "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources",
    "submitted_at": "2026-09-18T22:00:31.484Z"
  }
}