$0.05
per call · USD Coin on Base
Crypto ETF Sentinel — Single-call market snapshot for US spot crypto ETFs (Bitcoin, Ethereum, Solana, XRP and more): DB totals, filings by cryptocurrency and form type, regulatory-stage counts, and an as_of ISO timestamp. Use as a cheap heartbeat to decide whether anything changed before drilling into the catalogue.
Endpoint
GET https://api.cryptoetfsentinel.com/v1/agent/snapshot3
Calls / 30d
1
Unique payers / 30d
Sep 6
Last called
exact
Payment scheme
Call this service
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/agent/snapshot", {
method: "GET",
});
const data = await res.json();curl -X GET \
"https://api.cryptoetfsentinel.com/v1/agent/snapshot" \
-H "X-PAYMENT: <signed x402 payment>"Example response
{
"data": {
"as_of": "2026-05-13T15:30:00+00:00",
"earliest_filing": "2013-07-01T00:00:00+00:00",
"filings_by_currency": [
{
"count": 842,
"currency": "bitcoin"
},
{
"count": 671,
"currency": "ethereum"
}
],
"filings_by_type": [
{
"count": 312,
"filing_type": "S-1"
},
{
"count": 38,
"filing_type": "CERT"
}
],
"known_issuers": 105,
"latest_filing": "2026-05-13T00:00:00+00:00",
"stage_counts": {
"launch_imminent": 4,
"registration_filed": 18,
"trading": 89,
"under_review": 24
},
"total_filings": 3058
}
}Payment details
0x169bf49c6ee5a179190121ab8d180b50e31683d1USD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913Is this your API?
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