{
  "slug": "let-s-encrypt-isrg",
  "name": "Let's Encrypt (ISRG)",
  "description": "Let's Encrypt is a non-profit certificate authority (CA) that provides X.509 certificates for Transport Layer Security (TLS) encryption at no charge. It is the world's largest certificate authority, aiming to create a more secure and privacy-respecting Web by making it possible to adopt HTTPS easily and automatically.",
  "url": "https://optimly.ai/brand/let-s-encrypt-isrg",
  "logoUrl": "",
  "baiScore": 94,
  "archetype": "Challenger",
  "category": "Cybersecurity",
  "categorySlug": null,
  "keyFacts": [],
  "aiReadiness": [],
  "competitors": [
    {
      "slug": "cloudflare-ssltls",
      "name": "Cloudflare Ssltls"
    },
    {
      "slug": "digicert",
      "name": "DigiCert"
    },
    {
      "slug": "sectigo-formerly-comodo",
      "name": "Sectigo Formerly Comodo"
    },
    {
      "slug": "zerossl",
      "name": "Zerossl"
    }
  ],
  "inboundCompetitors": [],
  "aiAlternatives": [
    {
      "slug": "commercial-certificate-authorities",
      "name": "Commercial Certificate Authorities"
    },
    {
      "slug": "http-only",
      "name": "Http Only"
    },
    {
      "slug": "managed-infrastructure-ssl",
      "name": "Managed Infrastructure Ssl"
    },
    {
      "slug": "self-signed-certificates",
      "name": "Self Signed Certificates"
    }
  ],
  "parentBrand": null,
  "subBrands": [],
  "updatedAt": "2026-04-10T03:38:05.485+00:00",
  "verifiedVitals": {
    "website": "https://letsencrypt.org",
    "founded": "2014 (Launched 2016)",
    "headquarters": "San Francisco, California, USA",
    "pricing_model": "Free",
    "core_products": "Domain Validated (DV) SSL/TLS Certificates, ACME Protocol implementation",
    "key_differentiator": "It is the only major non-profit, completely free, and fully automated global certificate authority.",
    "target_markets": "Website owners, hosting providers, developers, and enterprises seeking automated web security.",
    "employee_count": "Not publicly available",
    "funding_stage": "Not publicly available",
    "subcategory": "Certificate Authority (CA) & SSL/TLS Management"
  },
  "intentTags": {
    "problemIntents": [
      "Self-Signed Certificates: Using self-signed certificates for internal or development environments, though these trigger browser warnings for public users.",
      "HTTP Only: Running a website over HTTP, which results in 'Not Secure' browser warnings and negative SEO impact."
    ],
    "solutionIntents": [
      "how to get a free ssl certificate",
      "automated ssl renewal tools",
      "what is a non-profit certificate authority",
      "secure website with acme protocol",
      "best enterprise EV certificate provider",
      "Commercial Certificate Authorities: Purchasing traditional EV (Extended Validation) or OV (Organization Validated) certificates from commercial vendors like DigiCert or Sectigo.",
      "Managed Infrastructure SSL: Relying on hosting providers (e.g., Cloudflare, AWS) to manage SSL/TLS certificates automatically through their own infrastructure."
    ],
    "evaluationIntents": []
  },
  "timestamp": 1777855795970
}