curl --request GET \
  --url 'https://api.sprinter.tech/liquidity/protocol/{protocol}/fees' \
  --header 'X-Auth-Token: YOUR_API_KEY'

{
  "data": [
    {
      "feeBps": 5,
      "minAmount": 0,
      "maxAmount": 100000000000
    },
    {
      "feeBps": 3,
      "minAmount": 100000000000,
      "maxAmount": 1000000000000
    }
  ]
}