The fee service is a requirement of the insight-api-zclassic service (not a bitcore-node built-in service). Its primary purpose is to query a zclassic full node for the most up-to-date miner fees for transactions. A Zclassic Full-Node (Zclassic) with an available RPC interface is required.
BTC1 or bcoin) for Bitcore's reference examples of Bitcoin nodes
"fee": {
"rpc": {
"user": "user",
"pass": "pass",
"host": "localhost",
"protocol": "http",
"port": 8032
}
}
curl http://localhost:3001/insight-api-zclassic/estimateFee