W

Workers · Kimchi Premium History

by Workers

GETBase

$0.08

per call · USD Coin on Base

Time series of the kimchi premium from the continuous archive, both bases, newest-last. Params: ?symbol=BTC &window=1h|6h|24h|7d|30d|90d &points=500 (max 2000) &before=<next_before>. Repeat with next_before until it is null to read a full window. Archive depth is reported as first_recorded.

Endpoint

GET https://k-data-x402-production.theblack1022.workers.dev/api/kimchi-premium/history

1

Calls / 30d

1

Unique payers / 30d

Sep 6

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://k-data-x402-production.theblack1022.workers.dev/api/kimchi-premium/history", {
  method: "GET",
});
const data = await res.json();
cURL
curl -X GET \
  "https://k-data-x402-production.theblack1022.workers.dev/api/kimchi-premium/history?symbol=BTC&window=24h" \
  -H "X-PAYMENT: <signed x402 payment>"

Example response

{
  "first_recorded": "2026-08-01T14:20:00.000Z",
  "next_before": "1754058000",
  "points": 288,
  "series": [
    {
      "global_usd": 63017.37,
      "premium_official_pct": -0.265,
      "premium_usdt_pct": 0.193,
      "ts": "2026-08-01T14:25:00.000Z",
      "upbit_krw": 90731000
    }
  ],
  "symbol": "BTC",
  "window": "24h"
}

Payment details

Pay to0x519c79c7eb7566f7353a324472a5ce4f05330c81
AssetUSD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913
NetworksBase
Schemesexact

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