Fix SaaS custom-domain TLS - ACME automation and onboarding

Fix SaaS custom-domain TLS - ACME automation and onboarding targets a $2.4B = 40,000 SaaS platform vendors x $60,000 ACV. There are tens of thousands of companies building multi-tenant SaaS platforms, CMS, e-commerce backends and site builders that would pay for reliability tooling and hosted certificate management. A $60k ACV reflects platform-level security and operations tooling budgets for mid-market vendors. total addressable market with medium saturation and a year-over-year growth rate of SaaS platform and edge infrastructure growth 15-25% CAGR, driven by more headless CMS and white-label SaaS that require custom domains.

Key trends driving demand: Lets Encrypt limits and ACME reliance -- most teams rely on Lets Encrypt but hit rate limits and pending authz caps, causing onboarding outages; Edge compute and CDN features -- Cloudflare, Fastly, Netlify and Vercel enable terminating TLS and running auth near the client, enabling low-latency validation; White-label and headless web growth -- more SaaS products require customer-hosted domains as baseline feature, increasing frequency of this operational workflow; Platform ownership of security -- customers expect platforms to manage TLS and certs, shifting responsibility from end users to vendor ops.