Index onlineMerchant portal
Api Endpoint

api.cryptoetfsentinel.com

Crypto ETF Sentinel — Latest POS AM-extracted operational profile for one US spot crypto ETF issuer: custodian, sponsor fee, AP counts, in-kind eligibility, basket size. Use when you need one fund's current plumbing terms. Pass the issuer's SEC CIK as cik.

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Offering

Provider
api.cryptoetfsentinel.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://api.cryptoetfsentinel.com/v1/profiles/issuer
MIME type
application/json
First seen
2026-10-16T01:50:45.949Z
Last seen
Tags
None supplied

Website

Payment pricing

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

Payment option 1
0.03 USDC
Atomic price: 30000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Payment option 2
0.03 USDC
Atomic price: 30000 · Network: solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "30000",
    "payTo": "0x169Bf49c6ee5A179190121Ab8D180B50e31683d1"
  },
  {
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "amount": "30000",
    "payTo": "Ezzbt3d3K76pmQpwbeXkggCs5n7Q3JWG3iCmtdKdpMxk"
  }
]

Observed health

Status
Healthy
Latest latency
306 ms
Average latency
757 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

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string",
      "const": "http"
    },
    "method": {
      "type": "string",
      "enum": [
        "GET",
        "HEAD",
        "DELETE"
      ]
    },
    "queryParams": {
      "type": "object",
      "properties": {
        "cik": {
          "type": "string",
          "pattern": "^[0-9]{1,10}$",
          "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."
        }
      },
      "required": []
    }
  },
  "required": [
    "type",
    "method"
  ],
  "additionalProperties": false
}

Output schema

{
  "type": "json",
  "example": {
    "data": {
      "cik": "0001980994",
      "custodian": "Coinbase Custody Trust Company, LLC",
      "fee_delta": null,
      "basket_size": 40000,
      "filing_date": "2026-01-15",
      "sponsor_fee": "0.25%",
      "ap_count_cash": 5,
      "reference_rate": "CME CF Bitcoin Reference Rate - New York Variant",
      "ap_count_inkind": 3,
      "inkind_eligible": true,
      "custodian_changed": false,
      "fee_waiver_expiry": null,
      "ap_count_cash_delta": 1
    },
    "meta": {
      "total": null
    }
  }
}