Contact Page Structured Data: ContactPage Guide
Your SaaS support page already lists a phone number, a support email and the hours someone answers. ContactPage markup restates those facts in a form machines can read without guessing: the page labeled as a ContactPage, linked to your Organization and its contact points. It won't change how your listing looks in Google, but it keeps your official contact details consistent and machine-readable. Here's how the markup fits together, a worked example for a fictional support page, and the traps that make it less useful.