接口简介：
申请LetsEncrypt品牌免费证书，有效期90天。每个主域名每 7 天最多可申请 50 份证书。
请求地址：
https://cn.apihz.cn/api/ssl/letsencrypt.php
请求方式：
POST或GET。
请求参数：
【名称】【参数】【必填】【说明】
【用户ID】【id】【是】【用户中心的数字ID，例：id=10000000】
【用户KEY】【key】【是】【用户中心通讯秘钥，例：key=15he5h15ty854j5sr152hs2】
【操作类型】【type】【是】【1=申请订单，2=获取证书，3=查询历史订单证书。一般第一步先执行申请订单操作，然后再调用本接口获取证书。如果操作失败，请多次重试或等待1分钟后再尝试。申请与获取操作超时时间建议为30秒以上。例：type=1】
【域名】【domain】【否】【要申请签发证书的域名，主域名或二级域名，也可以是泛域名。申请订单时必须传，获取证书或查询订单不用传。例：domain=ssl.apihz.cn】
【订单号】【order】【否】【获取证书或查询历史订单证书时必须传订单号，例：order=9bfdfd8155efd6e313914256dc3b8ec6】
返回参数：
【名称】【参数】【说明】
【状态码】【code】【200成功，400错误】
【提示信息】【msg】【信息提示。】
【订单号】【order】【订单号，申请订单操作成功时必返回。】
【DNS记录】【dnsurl】【申请订单后请到你的域名服务商处添加DNS解析。添加解析后请等待解析生效后再进行获取证书操作。】
【DNS类型】【dnstype】【DNS解析类型，一般为txt。】
【DNS记录值】【dnsvalue】【DNS解析记录内容。】
【证书信息数据集】【data】【证书信息数据集，获取证书或查询历史订单时返回。】
【证书秘钥】【data.zskey】【证书秘钥，内容包含\n换行符，请自行替换为对应场景的换行。可直接用于宝塔等。】
【证书PEM格式】【data.zspem】【证书PEM格式，内容包含\n换行符，请自行替换为对应场景的换行。可直接用于宝塔等。】
【到期时间】【data.expires_at】【证书到期时间。】
【签发域名】【data.domain】【签发域名。】
GET请求示例：
https://cn.apihz.cn/api/ssl/letsencrypt.php?id=88888888&key=88888888&type=1&domain=ssl.apihz.cn&order=
注意：示例里的ID与KEY为公共ID与KEY，共享每分钟调用频次限制，接口本身免费，请使用自己的ID与KEY，独享每分钟调用频次。每日调用无上限。
POST请求示例：
请根据开发语言自行POST。
返回数据示例：
示例：{"code":400,"msg":"通讯秘钥错误。"}
示例：
{
"code": 200,
"msg": "提交申请成功，请进行DNS解析",
"order": "8e15b1d070280456ee60461663409db8",
"dnsurl": "_acme-challenge.ssl.xxx.xyz",
"dnstype": "TXT",
"dnsvalue": "TgS8vRupvrNnWis3X369tZvoDWlRmU21aEcpppu29a0"
}
示例：
{
"code": 200,
"msg": "验证成功",
"order": "62ca5e4ff9476064773ce2d96554260d",
"data": {
"zskey": "-----BEGIN PRIVATE KEY-----
MIIEvgIBADANBgkqhkiG9w0BAQEFAASCBKgwggSkAgEAAoIBAQCtPcGLxsqhHo8B
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oLw7qmicktXivibT1UNjt+Hc
-----END PRIVATE KEY-----
",
"zspem": "-----BEGIN CERTIFICATE-----
MIIE8TCCA9mgAwIBAgISBY7W/YyWIM1fJJKIPdWJI7z9MA0GCSqGSIb3DQEBCwUA
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-----END CERTIFICATE-----
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----
",
"expires_at": "2026-07-08 18:46:37",
"domain": "ssl.xxx.xyz"
}
}
参考资料(版权)：
https://www.apihz.cn/api/sslletsencrypt.html
