Time series of the kimchi premium from the continuous archive, both bases, newest-last

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x519c79c7EB7566F7353a324472A5CE4f05330C81",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "80000",
    "maxTimeoutSeconds": 300
  }
]

{
  "bazaar": {
    "info": {
      "input": {
        "method": "GET",
        "queryParams": {
          "symbol": "BTC",
          "window": "24h"
        },
        "type": "http"
      },
      "output": {
        "example": {
          "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"
        },
        "type": "json"
      }
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "method": {
              "enum": [
                "GET"
              ],
              "type": "string"
            },
            "queryParams": {
              "properties": {
                "before": {
                  "description": "Unix-second cursor from next_before; returns older rows strictly before it",
                  "type": "integer"
                },
                "points": {
                  "description": "Max points returned (default 500, max 2000)",
                  "type": "integer"
                },
                "symbol": {
                  "description": "Archived tickers: BTC, ETH, XRP, SOL, DOGE, USDT",
                  "type": "string"
                },
                "window": {
                  "description": "Lookback window (default 24h)",
                  "enum": [
                    "1h",
                    "6h",
                    "24h",
                    "7d",
                    "30d",
                    "90d"
                  ],
                  "type": "string"
                }
              },
              "type": "object"
            },
            "type": {
              "const": "http",
              "type": "string"
            }
          },
          "required": [
            "type",
            "method"
          ],
          "type": "object"
        },
        "output": {
          "properties": {
            "example": {
              "type": "object"
            },
            "type": {
              "type": "string"
            }
          },
          "required": [
            "type"
          ],
          "type": "object"
        }
      },
      "required": [
        "input"
      ],
      "type": "object"
    }
  }
}

curl "https://k-data-x402-production.theblack1022.workers.dev/api/kimchi-premium/history"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

const res = await fetch("https://k-data-x402-production.theblack1022.workers.dev/api/kimchi-premium/history");
if (res.status === 402) {
  const { accepts } = await res.json();
  // pay one of accepts[] via an x402 client, then retry with the payment header
}

import httpx
res = httpx.get("https://k-data-x402-production.theblack1022.workers.dev/api/kimchi-premium/history")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header