api.cryptoetfsentinel.com

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.

Open endpoint ↗

Price per call: $0.05
Chain: Base
Method: GET
Paid calls · 30 days: 4

Call it from code

This API is run by its own provider and paid directly through x402. We list it so you can find it; we don't route or hold the payment.

import { x402Client, wrapFetchWithPayment } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";

const client = new x402Client();
registerExactEvmScheme(client, { signer: agentAccount });

const pay = wrapFetchWithPayment(fetch, client);
const res = await pay("https://api.cryptoetfsentinel.com/v1/agent/snapshot", { method: "GET" });
console.log(await res.json());

https://api.cryptoetfsentinel.com/v1/agent/snapshot