81trust / 100
Etf Brief
by etf-brief in Onchain & crypto
x402 APIPassing, checked 41 min ago
Fusion flow brief for spot Bitcoin or Ethereum ETFs in ONE call: latest total net flow, the inflow/outflow streak, the window cumulative, flow momentum, issuer concentration, total AUM and a deterministic accumulation, distribution or neutral verdict. Saves several issuer queries plus the differencing.
GET https://api.agentstools.dev/etf/brief
Last 30 days
All checks passedSome failedAll failedNot checked
- Uptime
- 100%
- Response time
- 22 ms typical, 22 ms slowest 5%
- Last check
- 41 min ago
- Next check
- any minute now
How to call it
# See the payment challenge (nothing is charged)
curl -i -X GET "https://api.agentstools.dev/etf/brief?asset=btc®ion=us"import { wrapFetchWithPayment } from "@x402/fetch";
import { x402Client } from "@x402/core/client";
import { ExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";
const client = new x402Client().register(
"eip155:8453",
new ExactEvmScheme(privateKeyToAccount(process.env.AGENT_KEY)),
);
const pay = wrapFetchWithPayment(fetch, client);
// Not sure it's safe to pay? Preflight it first for $0.005:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.agentstools.dev%2Fetf%2Fbrief
const res = await pay("https://api.agentstools.dev/etf/brief?asset=btc®ion=us");
console.log(await res.json());Example input
{
"asset": "btc",
"region": "us"
}Example output
{
"as_of": "2026-07-17",
"asset": "btc",
"coin": "BTC",
"concentration": {
"aum_share": 0.55,
"largest_fund": "IBIT"
},
"cumulative_window_usd": 305120000,
"latest_flow_usd": 135049000,
"momentum": {
"accelerating": true,
"prior_sum_usd": 95000000,
"recent_sum_usd": 210000000
},
"partial": false,
"region": "us",
"streak": {
"direction": "inflow",
"length": 3
},
"total_aum_usd": 85000000000,
"verdict": "accumulation"
}Security scan
- No findings. We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.
Recent checks
| When | Result | HTTP | Time | Price |
|---|---|---|---|---|
| 41 min ago | Passed | 402 | 22 ms | $0.02 |
| 6 h ago | Passed | 402 | 142 ms | $0.02 |