$0.04
per call · USD Coin on Base
Gamma Exposure (GEX) and max-pain options tool for BTC and ETH from the Deribit public API. Returns an aggregate GEX strike ladder (dealer-convention net gamma per strike), gamma flip level (zero-cumulative-GEX strike), spot regime above or below flip, max-pain strikes for upcoming weekly and monthly expiries, an expected-move cone (ATM-IV-derived 1-sigma, front expiry), and a heuristic pin-risk score. 15-minute in-memory cache. $0.04 USDC via x402.
Endpoint
GET https://kronossignals.com/api/v1/gex/eth3
Calls / 30d
2
Unique payers / 30d
Sep 5
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://kronossignals.com/api/v1/gex/eth", {
method: "GET",
});
const data = await res.json();curl -X GET \
"https://kronossignals.com/api/v1/gex/eth" \
-H "X-PAYMENT: <signed x402 payment>"Example response
{
"as_of": "2026-01-01T00:00:00.000Z",
"asset": "BTC-USD",
"available": true,
"data_source": "deribit",
"expected_move": {
"atm_iv": 42.5,
"dte": 2.1,
"expiry": "4JUL26",
"lower": 60300,
"spot": 61200,
"upper": 62100
},
"gamma_flip_level": 58500,
"gex_ladder": [
{
"callGex": 18000000,
"netGex": 12500000,
"putGex": -5500000,
"strike": 60000
}
],
"gex_total": 50000000,
"gex_units": "USD per 1% spot move per strike",
"max_pain": [
{
"dte": 2.1,
"expiry": "4JUL26",
"label": "weekly",
"max_pain_strike": 60000
}
],
"pin_risk": [
{
"expiry": "4JUL26",
"max_pain_strike": 60000,
"note": "Heuristic [0-1]. NOT a forecast.",
"pin_risk_score": 0.51
}
],
"spot_regime": "above_flip",
"underlying_price": 61200
}Payment details
0x36038e1d712c5e39f35952164ec58ec2b96caee7USD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913Is this your API?
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