TradFi macro context for crypto traders and agents: VIX (fear gauge), DXY (US Dollar Index

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x36038e1d712c5e39f35952164ec58ec2b96caee7",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "20000",
    "maxTimeoutSeconds": 300
  }
]

{
  "bazaar": {
    "info": {
      "input": {
        "method": "GET",
        "pathParams": {},
        "queryParams": {},
        "type": "http"
      },
      "output": {
        "example": {
          "as_of": "2026-01-01T00:00:00.000Z",
          "btc_dxy_correlation": -0.38,
          "btc_dxy_correlation_available": true,
          "btc_spx_correlation": 0.72,
          "btc_spx_correlation_available": true,
          "cache_age_seconds": null,
          "cached": false,
          "disclaimer": "TradFi data from stooq.com / Yahoo Finance. Informational only, not financial advice.",
          "dxy": {
            "source": "stooq.com",
            "unavailable": false,
            "value": 104.2
          },
          "gold": {
            "source": "stooq.com",
            "unavailable": false,
            "value": 2325
          },
          "spx": {
            "source": "stooq.com",
            "unavailable": false,
            "value": 5488
          },
          "us_10y_yield": {
            "source": "stooq.com",
            "unavailable": false,
            "value": 4.31
          },
          "vix": {
            "source": "stooq.com",
            "unavailable": false,
            "value": 16.8
          }
        },
        "example_kind": "illustrative_schema_only",
        "example_note": "Placeholder values and timestamps, not market data.",
        "type": "json"
      }
    },
    "routeTemplate": ":var1",
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "method": {
              "enum": [
                "GET"
              ],
              "type": "string"
            },
            "pathParams": {
              "type": "object"
            },
            "queryParams": {
              "properties": {},
              "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://kronossignals.com/api/v1/macro"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

const res = await fetch("https://kronossignals.com/api/v1/macro");
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://kronossignals.com/api/v1/macro")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header