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You can retrieve withdrawal fees using either of the following methods:
  1. Fee Estimation Endpoint
    POST/estimate-withdrawal-fee
    Request Body 
    {
  "amount": "10",
  "coin": "USDT",
  "chain": "ERC20"
}

    Successful Response
    If the request is accepted successfully, the API returns a 200 OK response with the swap details. 
    {
  "success": true,
  "data": {
    "coin": "USDT",
    "chain": "ERC20",
    "withdrawFee": "0.5",
    "minWithdrawAmount": "10",
    "withdrawable": true
  }
}
  2. Supported Currency & Blockchain Metadata - mix-endpoints/get-list-of-rechargeable-currencies
    Withdrawal fees are also returned when retrieving supported currencies and blockchain networks
    Example response: 
    {
  "success": true,
  "data": [
    {
      "coin": "USDT",
      "iconUrl": "https://cdn.openxswitch.com/public/logos/svg/usdt.svg",
      "chains": [
        {
          "chain": "ERC20",
          "needTag": "false",
          "depositConfirm": "12",
          "withdrawConfirm": "64",
          "minDepositAmount": "0.001",
          "minWithdrawAmount": "10",
          "withdrawFee": "0.01",
          "txUrl": "https://etherscan.io/tx/"
        }
      ]
    }
  ],
  "totalPage": 0,
  "pageNo": 0,
  "pageLimit": 0
}
In this example:
  • Supported blockchain: ERC20
  • Minimum withdrawal amount: 10
  • Withdrawal fee: 0.01
  • Required withdrawal confirmations: 64