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lego logo

Automatic Certificates and HTTPS for everyone.

Lego

Let's Encrypt client and ACME library written in Go.

Go Reference Build Status Docker Pulls

lego is an independent, free, and open-source project, if you value it, consider supporting it! ❤️

Everybody thinks that the others will donate, but in the end, nobody does.

So if you think that lego is worth it, please consider donating.

Features

  • ACME v2 RFC 8555
  • Comes with about 180 DNS providers
  • Register with CA
  • Obtain certificates, both from scratch or with an existing CSR
  • Renew certificates
  • Revoke certificates
  • Robust implementation of ACME challenges:
    • HTTP (http-01)
    • DNS (dns-01)
    • TLS (tls-alpn-01)
  • SAN certificate support
  • CNAME support by default
  • Custom challenge solvers
  • Certificate bundling
  • OCSP helper function

Installation

How to install.

Usage

Documentation

Documentation is hosted live at https://go-acme.github.io/lego/.

DNS providers

Detailed documentation is available here.

If your DNS provider is not supported, please open an issue.

35.com/三五互联 Active24 Akamai EdgeDNS Alibaba Cloud DNS
AlibabaCloud ESA all-inkl Alwaysdata Amazon Lightsail
Amazon Route 53 Anexia CloudDNS ArvanCloud Aurora DNS
Autodns Axelname Azion Azure (deprecated)
Azure DNS Baidu Cloud Beget.com Binary Lane
Bindman Bluecat BookMyName Brandit (deprecated)
Bunny Checkdomain Civo Cloud.ru
CloudDNS Cloudflare ClouDNS CloudXNS (Deprecated)
ConoHa v2 ConoHa v3 Constellix Core-Networks
CPanel/WHM Derak Cloud deSEC.io Designate DNSaaS for Openstack
Digital Ocean DirectAdmin DNS Made Easy DNSExit
dnsHome.de DNSimple DNSPod (deprecated) Domain Offensive (do.de)
Domeneshop DreamHost Duck DNS Dyn
DynDnsFree.de Dynu EasyDNS EdgeCenter
Efficient IP Epik Exoscale External program
F5 XC freemyip.com G-Core Gandi
Gandi Live DNS (v5) Gigahost.no Glesys Go Daddy
Google Cloud Google Domains Gravity Hetzner
Hosting.de Hosting.nl Hostinger Hosttech
HTTP request http.net Huawei Cloud Hurricane Electric DNS
HyperOne IBM Cloud (SoftLayer) IIJ DNS Platform Service Infoblox
Infomaniak Internet Initiative Japan Internet.bs INWX
Ionos Ionos Cloud IPv64 ISPConfig 3
ISPConfig 3 - Dynamic DNS (DDNS) Module iwantmyname (Deprecated) JD Cloud Joker
Joohoi's ACME-DNS KeyHelp Liara Lima-City
Linode (v4) Liquid Web Loopia LuaDNS
Mail-in-a-Box ManageEngine CloudDNS Manual Metaname
Metaregistrar mijn.host Mittwald myaddr.{tools,dev,io}
MyDNS.jp MythicBeasts Name.com Namecheap
Namesilo NearlyFreeSpeech.NET Neodigit Netcup
Netlify Nicmanager NIFCloud Njalla
Nodion NS1 Octenium Open Telekom Cloud
Oracle Cloud OVH plesk.com Porkbun
PowerDNS Rackspace Rain Yun/雨云 RcodeZero
reg.ru Regfish RFC2136 RimuHosting
RU CENTER Sakura Cloud Scaleway Selectel
Selectel v2 SelfHost.(de|eu) Servercow Shellrent
Simply.com Sonic Spaceship Stackpath
Syse Technitium Tencent Cloud DNS Tencent EdgeOne
Timeweb Cloud TodayNIC/时代互联 TransIP UKFast SafeDNS
Ultradns United-Domains Variomedia VegaDNS
Vercel Versio.[nl|eu|uk] VinylDNS Virtualname
VK Cloud Volcano Engine/火山引擎 Vscale Vultr
webnames.ca webnames.ru Websupport WEDOS
West.cn/西部数码 Yandex 360 Yandex Cloud Yandex PDD
Zone.ee ZoneEdit Zonomi

If your DNS provider is not supported, please open an issue.