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.github chore: update documentation theme (#2632) 2025-08-28 23:44:26 +02:00
acme feat(EAB): fallback to base64.URLEncoding (#2635) 2025-09-05 15:35:49 +02:00
certcrypto tests: use better test domains (#2603) 2025-07-28 09:26:40 +02:00
certificate tests: change the signature of the method BuildHTTPS (#2611) 2025-08-04 10:21:14 +00:00
challenge tests: new DNS router/server/mock (#2613) 2025-08-08 18:28:50 +02:00
cmd selectelv2: add missing options (#2639) 2025-09-07 23:30:00 +02:00
docs servercow: updated API documentation link (#2643) 2025-09-12 10:17:23 +00:00
e2e tests: use better test domains (#2603) 2025-07-28 09:26:40 +02:00
internal chore: update to go1.24 (#2566) 2025-07-08 17:23:52 +02:00
lego tests: change the signature of the method BuildHTTPS (#2611) 2025-08-04 10:21:14 +00:00
log chore: update to go1.24 (#2566) 2025-07-08 17:23:52 +02:00
platform tests: new DNS router/server/mock (#2613) 2025-08-08 18:28:50 +02:00
providers servercow: updated API documentation link (#2643) 2025-09-12 10:17:23 +00:00
registration tests: change the signature of the method BuildHTTPS (#2611) 2025-08-04 10:21:14 +00:00
.dockerignore Automatic generation of documentation (#818) 2019-03-08 19:47:06 +01:00
.gitattributes docs: improve units and default values (#2397) 2025-01-11 15:35:31 +01:00
.gitcookies.enc Add workaround for go.googlesource.com rate limit 2016-03-22 01:46:32 +01:00
.gitignore Refactor the core of the lib (#700) 2018-12-06 22:50:17 +01:00
.golangci.yml tests: new DNS router/server/mock (#2613) 2025-08-08 18:28:50 +02:00
.goreleaser.yml chore: update goreleaser configuration 2025-02-17 20:47:35 +01:00
buildx.Dockerfile chore: use buildx for cross-platform image builds 2023-02-26 14:27:16 +01:00
CHANGELOG.md Prepare release v4.25.2 2025-08-06 15:24:42 +02:00
CONTRIBUTING.md chore: fix grammar and typo (#1978) 2023-07-29 12:59:24 +02:00
Dockerfile chore: use buildx for cross-platform image builds 2023-02-26 14:27:16 +01:00
go.mod chore: update dependencies (#2644) 2025-09-13 13:06:59 +02:00
go.sum chore: update dependencies (#2644) 2025-09-13 13:06:59 +02:00
LICENSE chore: update license date 2024-10-10 22:11:07 +02:00
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README.md Add DNS provider for Binary Lane (#2624) 2025-08-21 13:19:26 +02:00

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

Features

  • ACME v2 RFC 8555
  • Comes with about 150 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.

Active24 Akamai EdgeDNS Alibaba Cloud DNS all-inkl
Amazon Lightsail Amazon Route 53 ArvanCloud Aurora DNS
Autodns Axelname Azion Azure (deprecated)
Azure DNS Baidu Cloud 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 dnsHome.de DNSimple
DNSPod (deprecated) Domain Offensive (do.de) Domeneshop DreamHost
Duck DNS Dyn DynDnsFree.de Dynu
EasyDNS Efficient IP Epik Exoscale
External program F5 XC freemyip.com G-Core
Gandi Gandi Live DNS (v5) Glesys Go Daddy
Google Cloud Google Domains Hetzner Hosting.de
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 IPv64 iwantmyname
Joker Joohoi's ACME-DNS 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 Netcup Netlify
Nicmanager NIFCloud Njalla Nodion
NS1 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 Technitium Tencent Cloud DNS
Tencent EdgeOne Timeweb Cloud TransIP UKFast SafeDNS
Ultradns Variomedia VegaDNS Vercel
Versio.[nl|eu|uk] VinylDNS VK Cloud Volcano Engine/火山引擎
Vscale Vultr Webnames 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.