微信二级域名购买

// 假设你已经有一个微信公众平台的应用ID和应用密钥
const appId = 'your_app_id';
const appSecret = 'your_app_secret';

// 获取access_token
fetch(`https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=${appId}&secret=${appSecret}`)
  .then(response => response.json())
  .then(data => {
    const accessToken = data.access_token;

    // 绑定二级域名
    fetch(`https://api.weixin.qq.com/cgi-bin/domain/bind?access_token=${accessToken}`, {
      method: 'POST',
      headers: {
        'Content-Type': 'application/json'
      },
      body: JSON.stringify({
        action: 'add',
        domain: 'your_subdomain.your_domain.com',
        request_domain: 'your_request_domain.com'
      })
    })
    .then(response => response.json())
    .then(data => {
      console.log(data);
    });
  });