# Let's Encrypt
> Let's Encrypt is a free, automated, and open certificate authority (CA), run for the public's benefit. It is a service provided by the Internet Security Research Group (ISRG) that provides digital certificates needed to enable HTTPS (SSL/TLS) for websites.
- URL: https://optimly.ai/brand/lets-encrypt
- Slug: lets-encrypt
- BAI Score: 94/100
- Archetype: Challenger
- Category: Cybersecurity
- Last Analyzed: April 11, 2026
## Competitors
- DigiCert (https://optimly.ai/brand/digicert)
- GlobalSign (https://optimly.ai/brand/globalsign)
- Sectigo (https://optimly.ai/brand/sectigo)
## Also Referenced By
- Digicert Globalsign (https://optimly.ai/brand/digicert-globalsign)
- Self Signed Certificates (https://optimly.ai/brand/self-signed-certificates)
- Sectigo Formerly Comodo (https://optimly.ai/brand/sectigo-formerly-comodo)
- Shared Hosting Ssl (https://optimly.ai/brand/shared-hosting-ssl)
- Cloudflareaws Managed Ssl (https://optimly.ai/brand/cloudflareaws-managed-ssl)
- Commercial Certificate Authorities (https://optimly.ai/brand/commercial-certificate-authorities)
- Zerossl (https://optimly.ai/brand/zerossl)
- Aws Certificate Manager Acm (https://optimly.ai/brand/aws-certificate-manager-acm)
## Buyer Intent Signals
Problems: Manual Commercial SSL Procurement: Manually generating CSRs, purchasing certificates from commercial CAs, and manually installing them on servers via SSH/FTP. | Managed Service Providers (MSPs): Large enterprises may hire managed service providers to handle the lifecycle and compliance of all internal and external certificates.
Solutions: free ssl certificate | how to automate ssl renewal | ACME protocol clients | EV SSL certificate provider | isrg root x1 information | Managed Hosting Providers: Utilizing built-in SSL/TLS management provided by Managed WordPress hosts or Website Builders (Wix, Squarespace) who handle the backend automation.
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## Full Details / RAG Data
### Overview
Let's Encrypt is listed in the AI Directory.
Let's Encrypt is a free, automated, and open certificate authority (CA), run for the public's benefit. It is a service provided by the Internet Security Research Group (ISRG) that provides digital certificates needed to enable HTTPS (SSL/TLS) for websites.
### Metadata
| Field        | Value |
|--------------|-------|
| Name         | Let's Encrypt |
| Slug         | lets-encrypt |
| URL          | https://optimly.ai/brand/lets-encrypt |
| BAI Score    | 94/100 |
| Archetype    | Challenger |
| Category     | Cybersecurity |
| Last Analyzed | April 11, 2026 |
| Last Updated | 2026-04-13T01:17:51.936Z |
### Verified Facts
- Founded: 2014
- Headquarters: San Francisco, CA
### Competitors
| Name | Profile |
|------|---------|
| DigiCert | https://optimly.ai/brand/digicert |
| GlobalSign | https://optimly.ai/brand/globalsign |
| Sectigo | https://optimly.ai/brand/sectigo |
### Also Referenced By
- Digicert Globalsign (https://optimly.ai/brand/digicert-globalsign)
- Self Signed Certificates (https://optimly.ai/brand/self-signed-certificates)
- Sectigo Formerly Comodo (https://optimly.ai/brand/sectigo-formerly-comodo)
- Shared Hosting Ssl (https://optimly.ai/brand/shared-hosting-ssl)
- Cloudflareaws Managed Ssl (https://optimly.ai/brand/cloudflareaws-managed-ssl)
- Commercial Certificate Authorities (https://optimly.ai/brand/commercial-certificate-authorities)
- Zerossl (https://optimly.ai/brand/zerossl)
- Aws Certificate Manager Acm (https://optimly.ai/brand/aws-certificate-manager-acm)
### Buyer Intent Signals
#### Problems this brand solves
- Manual Commercial SSL Procurement: Manually generating CSRs, purchasing certificates from commercial CAs, and manually installing them on servers via SSH/FTP.
- Managed Service Providers (MSPs): Large enterprises may hire managed service providers to handle the lifecycle and compliance of all internal and external certificates.
#### Buyers search for
- free ssl certificate
- how to automate ssl renewal
- ACME protocol clients
- EV SSL certificate provider
- isrg root x1 information
- Managed Hosting Providers: Utilizing built-in SSL/TLS management provided by Managed WordPress hosts or Website Builders (Wix, Squarespace) who handle the backend automation.
### Links
- Canonical page: https://optimly.ai/brand/lets-encrypt
- JSON endpoint: /brand/lets-encrypt.json
- LLMs.txt: /brand/lets-encrypt/llms.txt