Api Endpoint

api.cryptoetfsentinel.com

Crypto ETF Sentinel — Chronological profile evolution for one US spot crypto ETF issuer: custodian, fee, AP-count and in-kind deltas across successive POS AM filings. Use when tracing how a fund's terms changed over time (fee cuts, custodian switches). Pass the issuer's SEC CIK as cik; optional limit.

Open interactive test console

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/history
MIME type: application/json
First seen: 2026-10-16T01:51:51.176Z
Last seen: 2026-11-01T15:15:11.800Z
Tags: None supplied

Website

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
Payment option 2: 0.05 USDC
Atomic price: 50000 · Network: solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp · Asset: USDC · Scheme: exact

Raw x402 terms

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "50000",
    "payTo": "0x169Bf49c6ee5A179190121Ab8D180B50e31683d1"
  },
  {
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "amount": "50000",
    "payTo": "Ezzbt3d3K76pmQpwbeXkggCs5n7Q3JWG3iCmtdKdpMxk"
  }
]

Observed health

Status: Healthy
Latest latency: 309 ms
Average latency: 579 ms
HTTP status: 402
Last checked: 2026-11-01T01:51:33.340Z
Reachability: 100% over 13 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."
        },
        "limit": {
          "type": "integer",
          "minimum": 1,
          "default": 20,
          "description": "Max results (default 20, max 50)",
          "maximum": 50
        }
      },
      "required": []
    }
  },
  "required": [
    "type",
    "method"
  ],
  "additionalProperties": false
}

Output 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"
            },
            "limit": {
              "default": 20,
              "description": "Max results (default 20, max 50)",
              "maximum": 50,
              "minimum": 1,
              "type": "integer"
            }
          },
          "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"
}