mirrored listing x402 eip155:8453solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp

Crypto ETF Sentinel — Historical quarterly time series for one XBRL concept (AUM, NAV, sha

Crypto ETF Sentinel — Historical quarterly time series for one XBRL concept (AUM, NAV, shares outstanding, etc.) on one US spot crypto ETF issuer. Use when charting a single fund's growth or checking a reported figure against its SEC filings. Pass the issuer's SEC CIK as cik; optional concept, unit, taxonomy.

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Claim this listing
100000 (raw units)
price
2
calls / 30d
1
unique payers
2026-09-06
updated

Provider

api.cryptoetfsentinel.com · discovered, not yet claimed by its owner

Payment (x402 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
  }
]

Output schema

{
  "bazaar": {
    "info": {
      "input": {
        "method": "GET",
        "queryParams": {
          "cik": "0001980994",
          "concept": "InvestmentOwnedAtFairValue"
        },
        "type": "http"
      },
      "output": {
        "example": {
          "data": [
            {
              "filed_date": "2026-02-27",
              "fiscal_period": "FY",
              "fiscal_year": 2025,
              "form_type": "10-K",
              "period_end": "2025-12-31",
              "value": 67415764355
            }
          ],
          "meta": {
            "concept": "InvestmentOwnedAtFairValue",
            "total": 8,
            "unit": "USD"
          }
        },
        "type": "json"
      }
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "method": {
              "enum": [
                "GET",
                "HEAD",
                "DELETE"
              ],
              "type": "string"
            },
            "queryParams": {
              "properties": {
                "cik": {
                  "description": "Zero-padded SEC CIK identifier (e.g. ``0001980994``). Optional — pass one to target a specific issuer (discover CIKs via /v1/issuers); omit to get the largest issuer by AUM.",
                  "pattern": "^[0-9]{1,10}$",
                  "type": "string"
                },
                "concept": {
                  "default": "InvestmentOwnedAtFairValue",
                  "description": "XBRL TIER1 concept (e.g. InvestmentOwnedAtFairValue = AUM, NetAssetValuePerShare).",
                  "type": "string"
                },
                "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"
    }
  }
}

Use it

curl

curl "https://api.cryptoetfsentinel.com/v1/xbrl/series"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

JavaScript

const res = await fetch("https://api.cryptoetfsentinel.com/v1/xbrl/series");
if (res.status === 402) {
  const { accepts } = await res.json();
  // pay one of accepts[] via an x402 client, then retry with the payment header
}

Python

import httpx
res = httpx.get("https://api.cryptoetfsentinel.com/v1/xbrl/series")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header

Machine-readable

Everything on this page is also available as clean JSON at /resources/5917.json, and this resource appears in /discovery/resources and /discovery/search.