cex_fees

Get trading fee information for exchanges. Returns spot and futures maker/taker fee rates. Essential for calculating actual trading costs and net arbitrage profits.

Usage hints:

• Both exchange and symbol may be required depending on exchange
• Combine with premium to calculate net arbitrage profit after fees
• Fees vary by trading pair and exchange — always check specific pairs

REST endpoint

GET /api/v1/cex/fees — see REST reference.

Parameters

Name	Type	Required	Default	Description	Example
exchange	string	no		Specifies exchange	"..."
symbol	string	no		Specifies symbol	"..."

Example invocation

JSON-RPC tools/call payload:

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "cex_fees",
    "arguments": {}
  }
}