hyperextend · 100 OI

GETBaseHyperliquid

$0.1257

per call · USD Coin on Base

Derived two-sided open interest for a HIP-4 outcome market, per minute (circulating-supply times mark, summed over both sides). Priced per row ($0.000025 premium); served live. Takes the integer outcome id (e.g. 100).

Endpoint

GET https://api.hyperextend.xyz/v1/outcome/100/oi

Calls / 30d

Unique payers / 30d

Aug 14

Last called

exact

Payment scheme

Call this service

TypeScript · @x402/fetch

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.hyperextend.xyz/v1/outcome/100/oi", {
  method: "GET",
});
const data = await res.json();

cURL

curl -X GET \
  "https://api.hyperextend.xyz/v1/outcome/100/oi?end=0&limit=5000&start=0" \
  -H "X-PAYMENT: <signed x402 payment>"

Example response

{
  "minute_ts": 1700000000,
  "oi_notional": "12345.6",
  "sides": 2
}

Payment details

Pay to0x548fc289526ab2f0391d562a723cda64bbf1abc4

AssetUSD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913

NetworksBase, Hyperliquid

Schemesexact, batch-settlement

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