Domain validation API for onboarding - MX DNS SSL checks

Domain validation API for onboarding - MX DNS SSL checks targets a $120M = 50,000 developer platforms x $2,400 ACV (annual SDK/API + monitoring tier). Buyer count rationale: mid/smb SaaS platforms, email providers, and multi-tenant platforms requiring domain verification. total addressable market with low saturation and a year-over-year growth rate of ~25% - growing demand as more SaaS adopt custom domains and email authentication requirements tighten..

Key trends driving demand: Custom domains everywhere -- more SaaS and platform customers expect custom domains, increasing verification needs.; Email authentication and deliverability focus -- DMARC, DKIM and deliverability best practices drive need for MX and DNS checks.; API-first developer tooling -- teams prefer drop-in APIs and webhooks over building bespoke verification logic.; Automation of TLS issuance -- broad use of LetsEncrypt and automated cert flows means SSL status checks and expiry monitoring are operational necessities..