curl --request GET \
  --url https://api.doppapp.com/v1/public/get_instruments

[
  {
    "instruments": [
      {
        "base_currency": "<string>",
        "block_trade_commission": 123,
        "block_trade_min_trade_amount": 123,
        "block_trade_tick_size": 123,
        "contract_size": 123,
        "counter_currency": "<string>",
        "creation_timestamp": 123,
        "deployed": true,
        "expiration_timestamp": 123,
        "index_price": "<string>",
        "instrument_id": "<string>",
        "instrument_name": "<string>",
        "instrument_type": "<string>",
        "is_active": true,
        "kind": "<string>",
        "maker_commission": 123,
        "min_trade_amount": 123,
        "option_type": "<string>",
        "quote_currency": "<string>",
        "rfq": true,
        "settlement_currency": "<string>",
        "settlement_period": "<string>",
        "strike": 123,
        "taker_commission": 123,
        "tick_size": 123
      }
    ]
  }
]