申请抢先体验

请填写名字，以及邮箱或手机号。我们会与您联系，提供 Tajo 访问详情。

发送邮件

使用 /v3/smtp/email 端点发送单封事务性邮件。

端点

POST /v3/smtp/email

请求体

基础邮件

{
  "sender": {
    "name": "Your App",
    "email": "[email protected]"
  },
  "to": [
    {
      "email": "[email protected]",
      "name": "John Doe"
    }
  ],
  "subject": "Welcome to our service!",
  "htmlContent": "<html><body><h1>Welcome!</h1><p>Thank you for signing up.</p></body></html>"
}

进阶邮件

{
  "sender": {
    "name": "Your App",
    "email": "[email protected]"
  },
  "to": [
    {
      "email": "[email protected]",
      "name": "John Doe"
    }
  ],
  "cc": [
    {
      "email": "[email protected]",
      "name": "CC User"
    }
  ],
  "bcc": [
    {
      "email": "[email protected]"
    }
  ],
  "subject": "Order Confirmation #{{order_id}}",
  "htmlContent": "<html><body><h1>Order Confirmed</h1><p>Your order {{order_id}} has been confirmed.</p></body></html>",
  "textContent": "Your order {{order_id}} has been confirmed.",
  "params": {
    "order_id": "12345"
  },
  "tags": ["transactional", "order-confirmation"],
  "headers": {
    "X-Custom-Header": "custom-value"
  }
}

代码示例

JavaScript/Node.js

const brevo = require('@getbrevo/brevo');

const apiInstance = new brevo.TransactionalEmailsApi();
apiInstance.setApiKey(brevo.TransactionalEmailsApiApiKeys.apiKey, process.env.BREVO_API_KEY);

const sendEmail = async () => {
  const sendSmtpEmail = new brevo.SendSmtpEmail();

  sendSmtpEmail.subject = "Welcome to our service!";
  sendSmtpEmail.htmlContent = "<html><body><h1>Welcome!</h1></body></html>";
  sendSmtpEmail.sender = { name: "Your App", email: "[email protected]" };
  sendSmtpEmail.to = [{ email: "[email protected]", name: "John Doe" }];

  try {
    const result = await apiInstance.sendTransacEmail(sendSmtpEmail);
    console.log('Email sent:', result);
    return result;
  } catch (error) {
    console.error('Error sending email:', error);
    throw error;
  }
};

Python

import sib_api_v3_sdk
from sib_api_v3_sdk.rest import ApiException

configuration = sib_api_v3_sdk.Configuration()
configuration.api_key['api-key'] = 'YOUR_API_KEY'

api_instance = sib_api_v3_sdk.TransactionalEmailsApi(sib_api_v3_sdk.ApiClient(configuration))

send_smtp_email = sib_api_v3_sdk.SendSmtpEmail(
    to=[{"email": "[email protected]", "name": "John Doe"}],
    sender={"name": "Your App", "email": "[email protected]"},
    subject="Welcome to our service!",
    html_content="<html><body><h1>Welcome!</h1></body></html>"
)

try:
    api_response = api_instance.send_transac_email(send_smtp_email)
    print(api_response)
except ApiException as e:
    print("Exception when calling TransactionalEmailsApi->send_transac_email: %s\n" % e)

cURL

curl -X POST "https://api.brevo.com/v3/smtp/email" \
  -H "Accept: application/json" \
  -H "Content-Type: application/json" \
  -H "api-key: YOUR_API_KEY" \
  -d '{
    "sender": {
      "name": "Your App",
      "email": "[email protected]"
    },
    "to": [
      {
        "email": "[email protected]",
        "name": "John Doe"
      }
    ],
    "subject": "Welcome to our service!",
    "htmlContent": "<html><body><h1>Welcome!</h1></body></html>"
  }'

响应

成功响应（201 Created）

{
  "messageId": "<[email protected]>"
}

错误响应

API 密钥无效（401）

{
  "code": "unauthorized",
  "message": "Invalid API key provided"
}

邮箱格式无效（400）

{
  "code": "invalid_parameter",
  "message": "Invalid email format in 'to' field"
}

超出速率限制（429）

{
  "code": "too_many_requests",
  "message": "Rate limit exceeded"
}

参数

必填参数

参数	类型	说明
`sender`	object	发件人信息
`to`	array	收件人对象数组
`subject`	string	邮件主题行

可选参数

参数	类型	说明
`htmlContent`	string	邮件的 HTML 内容
`textContent`	string	邮件的纯文本内容
`cc`	array	抄送收件人
`bcc`	array	密送收件人
`replyTo`	object	回复地址
`attachments`	array	文件附件
`params`	object	模板参数
`tags`	array	用于追踪的邮件标签
`headers`	object	自定义请求头

模板变量

在主题和内容中使用模板变量：

{
  "subject": "Welcome {{firstName}}!",
  "htmlContent": "<h1>Hello {{firstName}} {{lastName}}</h1>",
  "params": {
    "firstName": "John",
    "lastName": "Doe"
  }
}

附件

添加文件附件：

{
  "attachments": [
    {
      "content": "base64_encoded_content",
      "name": "invoice.pdf"
    },
    {
      "url": "https://example.com/document.pdf",
      "name": "document.pdf"
    }
  ]
}

最佳实践

同时提供 HTML 和纯文本内容，可提升送达率
使用模板变量，不要拼接内容字符串
填写规范的发件人信息，避免被垃圾邮件过滤器拦截
添加标签，便于追踪和分析
发送前校验邮箱地址
优雅处理错误，配合重试逻辑

速率限制

免费账号：每天 300 封邮件
付费账号：取决于你的套餐
突发上限：每分钟 100 封邮件

追踪

通过该端点发送的邮件会自动追踪以下数据：

送达状态
打开率
点击追踪
退信处理

在 Brevo 仪表板的 Statistics → Transactional 中查看详细分析。

事务性邮件

事务性短信

联系人

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