curl --request POST \
  --url https://api.platform.bitnob.com/transactions/estimate-fee \
  --header 'Content-Type: application/json' \
  --header 'X-API-Key: <api-key>' \
  --data '
{
  "amount": "25.5",
  "asset": "USDT_TRX",
  "to_address": "0x742d35Cc6634C0532925a3b844Bc454e4438f44e",
  "wallet_id": "f47ac10b-58cc-4372-a567-0e02b2c3d479",
  "network": "mainnet",
  "sponsor": true,
  "treat_as_gross_amount": true
}
'

const options = {
  method: 'POST',
  headers: {'X-API-Key': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    amount: '25.5',
    asset: 'USDT_TRX',
    to_address: '0x742d35Cc6634C0532925a3b844Bc454e4438f44e',
    wallet_id: 'f47ac10b-58cc-4372-a567-0e02b2c3d479',
    network: 'mainnet',
    sponsor: true,
    treat_as_gross_amount: true
  })
};

fetch('https://api.platform.bitnob.com/transactions/estimate-fee', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://api.platform.bitnob.com/transactions/estimate-fee"

payload = {
    "amount": "25.5",
    "asset": "USDT_TRX",
    "to_address": "0x742d35Cc6634C0532925a3b844Bc454e4438f44e",
    "wallet_id": "f47ac10b-58cc-4372-a567-0e02b2c3d479",
    "network": "mainnet",
    "sponsor": True,
    "treat_as_gross_amount": True
}
headers = {
    "X-API-Key": "<api-key>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.platform.bitnob.com/transactions/estimate-fee",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'amount' => '25.5',
    'asset' => 'USDT_TRX',
    'to_address' => '0x742d35Cc6634C0532925a3b844Bc454e4438f44e',
    'wallet_id' => 'f47ac10b-58cc-4372-a567-0e02b2c3d479',
    'network' => 'mainnet',
    'sponsor' => true,
    'treat_as_gross_amount' => true
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "X-API-Key: <api-key>"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://api.platform.bitnob.com/transactions/estimate-fee"

	payload := strings.NewReader("{\n  \"amount\": \"25.5\",\n  \"asset\": \"USDT_TRX\",\n  \"to_address\": \"0x742d35Cc6634C0532925a3b844Bc454e4438f44e\",\n  \"wallet_id\": \"f47ac10b-58cc-4372-a567-0e02b2c3d479\",\n  \"network\": \"mainnet\",\n  \"sponsor\": true,\n  \"treat_as_gross_amount\": true\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("X-API-Key", "<api-key>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://api.platform.bitnob.com/transactions/estimate-fee")
  .header("X-API-Key", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"amount\": \"25.5\",\n  \"asset\": \"USDT_TRX\",\n  \"to_address\": \"0x742d35Cc6634C0532925a3b844Bc454e4438f44e\",\n  \"wallet_id\": \"f47ac10b-58cc-4372-a567-0e02b2c3d479\",\n  \"network\": \"mainnet\",\n  \"sponsor\": true,\n  \"treat_as_gross_amount\": true\n}")
  .asString();

{
  "fee_levels": {
    "high": {
      "amount": "0.0012",
      "amount_raw": "1200000000000000",
      "breakdown": [
        {
          "key": "base_fee",
          "label": "Base fee",
          "unit": "ETH",
          "value": "0.0009"
        }
      ],
      "estimated_time_seconds": 30,
      "usd_value": "3.45"
    },
    "low": {
      "amount": "0.0012",
      "amount_raw": "1200000000000000",
      "breakdown": [
        {
          "key": "base_fee",
          "label": "Base fee",
          "unit": "ETH",
          "value": "0.0009"
        }
      ],
      "estimated_time_seconds": 30,
      "usd_value": "3.45"
    },
    "medium": {
      "amount": "0.0012",
      "amount_raw": "1200000000000000",
      "breakdown": [
        {
          "key": "base_fee",
          "label": "Base fee",
          "unit": "ETH",
          "value": "0.0009"
        }
      ],
      "estimated_time_seconds": 30,
      "usd_value": "3.45"
    }
  },
  "object": "fee_estimate",
  "recommended": "medium"
}

{
  "error": {
    "code": "<string>",
    "details": {},
    "message": "<string>",
    "param": "<string>",
    "request_id": "<string>",
    "type": "<string>"
  }
}

{
  "error": {
    "code": "<string>",
    "details": {},
    "message": "<string>",
    "param": "<string>",
    "request_id": "<string>",
    "type": "<string>"
  }
}

{
  "error": {
    "code": "<string>",
    "details": {},
    "message": "<string>",
    "param": "<string>",
    "request_id": "<string>",
    "type": "<string>"
  }
}

{
  "error": {
    "code": "<string>",
    "details": {},
    "message": "<string>",
    "param": "<string>",
    "request_id": "<string>",
    "type": "<string>"
  }
}

{
  "error": {
    "code": "<string>",
    "details": {},
    "message": "<string>",
    "param": "<string>",
    "request_id": "<string>",
    "type": "<string>"
  }
}

{
  "error": {
    "code": "<string>",
    "details": {},
    "message": "<string>",
    "param": "<string>",
    "request_id": "<string>",
    "type": "<string>"
  }
}