curl --request GET \
  --url https://sandbox.x.architect.co/api/instruments

{
  "instruments": [
    {
      "contract_mark_price": "<string>",
      "contract_size": "<string>",
      "description": "<string>",
      "finding_settlement_currency": "<string>",
      "funding_calendar_schedule": "<string>",
      "funding_frequency": "<string>",
      "funding_rate_cap_lower_pct": "<string>",
      "funding_rate_cap_upper_pct": "<string>",
      "initial_margin_pct": "<string>",
      "maintenance_margin_pct": "<string>",
      "minimum_order_size": "<string>",
      "multiplier": "<string>",
      "price_band_lower_deviation_pct": "<string>",
      "price_band_upper_deviation_pct": "<string>",
      "price_bands": "<string>",
      "price_quotation": "<string>",
      "quote_currency": "<string>",
      "state": "PRE_OPEN",
      "symbol": "<string>",
      "tick_size": "<string>",
      "underlying_benchmark_price": "<string>"
    }
  ]
}