$0.005
per call · USD Coin on Base
ChainQuery Bitcoin Intelligence: independent Bitcoin-native on-chain data over x402, no API key. Live mempool fee-pressure signal (state low/moderate/high/severe + score in sat/vB).
Endpoint
GET https://intel.chainquery.com/v1/fee-pressure12
Calls / 30d
7
Unique payers / 30d
Sep 9
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://intel.chainquery.com/v1/fee-pressure", {
method: "GET",
});
const data = await res.json();curl -X GET \
"https://intel.chainquery.com/v1/fee-pressure" \
-H "X-PAYMENT: <signed x402 payment>"Example response
{
"as_of": "2026-06-19T17:00:05Z",
"refreshes_at": "continuous (~60s poll, stale after 300s)",
"score": 12.4,
"source_ts_utc": "2026-06-19T17:00:00Z",
"state": "moderate"
}Payment details
0x7cf45cd775bdf31a5a96fa0a5805df0b610d87ffUSD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913Is this your API?
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