C

Cryptoetfsentinel · Profiles History

by Cryptoetfsentinel

GETBaseSolana

$0.05

per call · USD Coin on Base

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.

Endpoint

GET https://api.cryptoetfsentinel.com/v1/profiles/history

3

Calls / 30d

1

Unique payers / 30d

Sep 6

Last called

exact

Payment scheme

Call this service

TypeScript · @x402/fetch
import { wrapFetchWithPayment } from "@x402/fetch";
import { privateKeyToAccount } from "viem/accounts";

const account = privateKeyToAccount(process.env.PRIVATE_KEY);
const fetchWithPay = wrapFetchWithPayment(fetch, account);

const res = await fetchWithPay("https://api.cryptoetfsentinel.com/v1/profiles/history", {
  method: "GET",
});
const data = await res.json();
cURL
curl -X GET \
  "https://api.cryptoetfsentinel.com/v1/profiles/history?cik=0001980994&limit=20" \
  -H "X-PAYMENT: <signed x402 payment>"

Example response

{
  "data": [
    {
      "accession": "0001193125-26-012345",
      "ap_count_cash": 5,
      "ap_count_cash_delta": 1,
      "ap_count_inkind": 3,
      "ap_count_inkind_delta": 3,
      "basket_size": 40000,
      "basket_size_delta": 0,
      "cik": "0001980994",
      "custodian": "Coinbase Custody Trust Company, LLC",
      "custodian_changed": false,
      "fee_delta": null,
      "filing_date": "2026-01-15",
      "inkind_changed": true,
      "inkind_eligible": true,
      "sponsor_fee": "0.25%"
    }
  ],
  "meta": {
    "total": 1
  }
}

Payment details

Pay to0x169bf49c6ee5a179190121ab8d180b50e31683d1
AssetUSD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913
NetworksBase, Solana
Schemesexact

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