curl --request GET \
  --url https://api.ask.surf/gateway/v1/exchange/depth

{
  "data": [
    {
      "ask_depth": 123,
      "asks": [
        {
          "amount": 123,
          "price": 123
        }
      ],
      "bid_depth": 123,
      "bids": [
        {
          "amount": 123,
          "price": 123
        }
      ],
      "exchange": "<string>",
      "mid_price": 123,
      "pair": "<string>",
      "spread": 123,
      "spread_pct": 123
    }
  ],
  "meta": {
    "cached": true,
    "credits_used": 123
  },
  "$schema": "<string>"
}