估算能量数量 
此接口端点估算进行代币转账所需的能量数量,而不创建交易。
POST /v1/estimate-energy
请求 
请求参数 
| 字段 | 类型 | 必需 | 描述 | 
|---|---|---|---|
| from_address | string | 是 | 发送方的波场钱包地址(34个字符) | 
| to_address | string | 是 | 接收方的波场钱包地址(34个字符) | 
| contract_address | string | 否 | 智能合约地址(默认:TR7NHqjeKQxGTCi8q8ZY4pL8otSzgjLj6t - Tether (USDT)) | 
bash
#!/bin/bash
API_TOKEN="your_api_token"
API_SECRET="your_api_secret"
REQUEST_BODY='{
  "from_address": "TRX_FROM_ADDRESS",
  "to_address": "TRX_TO_ADDRESS",
  "contract_address": "TR7NHqjeKQxGTCi8q8ZY4pL8otSzgjLj6t"
}'
# 计算签名
SIGNATURE=$(echo -n "${REQUEST_BODY}${API_SECRET}" | sha256sum | cut -d' ' -f1)
# 发送API请求
curl -X POST "https://api.tronzap.com/v1/estimate-energy" \
  -H "Authorization: Bearer ${API_TOKEN}" \
  -H "X-Signature: ${SIGNATURE}" \
  -H "Content-Type: application/json" \
  -d "${REQUEST_BODY}"javascript
const crypto = require('crypto');
const axios = require('axios');
const apiToken = 'your_api_token';
const apiSecret = 'your_api_secret';
const requestBody = JSON.stringify({
  from_address: 'TRX_FROM_ADDRESS',
  to_address: 'TRX_TO_ADDRESS',
  contract_address: 'TR7NHqjeKQxGTCi8q8ZY4pL8otSzgjLj6t'
});
// 计算签名
const signature = crypto
  .createHash('sha256')
  .update(requestBody + apiSecret)
  .digest('hex');
// 发送API请求
axios({
  method: 'post',
  url: 'https://api.tronzap.com/v1/estimate-energy',
  headers: {
    'Authorization': `Bearer ${apiToken}`,
    'X-Signature': signature,
    'Content-Type': 'application/json'
  },
  data: requestBody
})
.then(response => console.log(response.data))
.catch(error => console.error(error));php
<?php
$apiToken = 'your_api_token';
$apiSecret = 'your_api_secret';
$requestBody = json_encode([
  'from_address' => 'TRX_FROM_ADDRESS',
  'to_address' => 'TRX_TO_ADDRESS',
  'contract_address' => 'TR7NHqjeKQxGTCi8q8ZY4pL8otSzgjLj6t'
]);
// 计算签名
$signature = hash('sha256', $requestBody . $apiSecret);
// 发送API请求
$ch = curl_init('https://api.tronzap.com/v1/estimate-energy');
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, $requestBody);
curl_setopt($ch, CURLOPT_HTTPHEADER, [
  'Authorization: Bearer ' . $apiToken,
  'X-Signature: ' . $signature,
  'Content-Type: application/json'
]);
$response = curl_exec($ch);
curl_close($ch);
echo $response;
?>python
import hashlib
import json
import requests
api_token = 'your_api_token'
api_secret = 'your_api_secret'
request_body = json.dumps({
  'from_address': 'TRX_FROM_ADDRESS',
  'to_address': 'TRX_TO_ADDRESS',
  'contract_address': 'TR7NHqjeKQxGTCi8q8ZY4pL8otSzgjLj6t'
})
# 计算签名
signature = hashlib.sha256((request_body + api_secret).encode()).hexdigest()
# 发送API请求
headers = {
  'Authorization': f'Bearer {api_token}',
  'X-Signature': signature,
  'Content-Type': 'application/json'
}
response = requests.post(
  'https://api.tronzap.com/v1/estimate-energy',
  headers=headers,
  data=request_body
)
print(response.json())响应 
响应提供进行代币转账所需能量的详细计算信息。
响应字段 
| 字段 | 类型 | 描述 | 
|---|---|---|
| code | integer | 响应代码(0 = 成功) | 
| result | object | 响应数据 | 
| result.energy | integer | 使用合约进行转账所需的能量数量 | 
| result.duration | integer | 持续时间(小时)(目前仅支持1小时) | 
| result.price | float | 委托能量的价格 | 
| result.activation_fee | float | 地址激活价格(如果需要) | 
| result.total | float | 包括激活费用的最终价格(如果需要) | 
| result.from_address | string | 请求中提供的发送方波场地址 | 
| result.to_address | string | 请求中提供的接收方波场地址 | 
| result.contract_address | string | 用于计算的智能合约地址 | 
响应示例 
json
{
    "code": 0,
    "result": {
        "energy": 64400,
        "duration": 1,
        "price": 3.66,
        "activation_fee": 0,
        "total": 3.66,
        "from_address": "TRX_FROM_ADDRESS",
        "to_address": "TRX_TO_ADDRESS",
        "contract_address": "TR7NHqjeKQxGTCi8q8ZY4pL8otSzgjLj6t"
    }
}响应示例(地址未激活) 
json
{
    "code": 0,
    "result": {
        "energy": 64400,
        "duration": 1,
        "price": 3.66,
        "activation_fee": 1.4,
        "total": 5.06,
        "from_address": "TRX_FROM_ADDRESS",
        "to_address": "TRX_TO_ADDRESS",
        "contract_address": "TR7NHqjeKQxGTCi8q8ZY4pL8otSzgjLj6t"
    }
}可能的错误 
| 错误代码 | 描述 | 
|---|---|
| 1 | 身份验证错误(令牌或签名不正确) | 
| 10 | 无效的发送地址 | 
| 10 | 无效的接收地址 | 
| 10 | 无效的合约地址 | 
| 35 | 服务不可用 | 
| 500 | 内部服务器错误 | 
注释 
- contract_address参数是可选的,默认为TR7NHqjeKQxGTCi8q8ZY4pL8otSzgjLj6t(Tether USDT)
 - 此接口端点仅估算进行USDT转账的能量,而不创建交易
 - 要创建实际的能量购买交易,请使用创建交易接口端点
 
