Build an Email Validation System with a Free API — Disposable Detection, MX Checks, Typo Suggestions

Bad email addresses cost money. Every bounced email hurts your sender reputation, and disposable emails pollute your user database. Most email validation services charge $0.005–$0.01 per check — that's $50 for 10,000 validations. I built a free Email Validation API that handles the heavy lifting: syntax validation, MX record verification, disposable domain detection (500+ domains), and even typo suggestions (catches gmial.com → gmail.com ). What It Checks Syntax validation — RFC-compliant format check MX record lookup — Does the domain actually accept email? Disposable detection — 500+ throwaway email providers flagged Typo correction — Suggests fixes for common domain typos Role-based detection — Flags info@ , admin@ , support@ addresses Quick Start curl "https://email-validation-api.p.rapidapi.com/validate?email=user@gmial.com" Response: { "email" : "user@gmial.com" , "valid_syntax" : true , "mx_records" : false , "is_disposable" : false , "is_role_based" : false , "suggestion" : "us