curl --request GET \
  --url https://api.0xarchive.io/v1/instruments \
  --header 'X-API-Key: <api-key>'

{
  "success": true,
  "data": [
    {
      "name": "BTC",
      "sz_decimals": 4,
      "is_active": true,
      "max_leverage": 50,
      "only_isolated": true,
      "instrument_type": "perp"
    }
  ],
  "meta": {
    "count": 123,
    "next_cursor": "<string>",
    "request_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
  }
}