This API validates email addresses by checking their syntax, MX records, disposable status, role-based detection, and typo suggestions. It offers a free tier of 100 requests per day and a pro option with additional features, including live SMTP verification.
Build signup gating, bulk list cleaning, or onboarding quality checks with a single REST call — you can block throwaway or role addresses, suggest fixes, and score deliverability. Try it to improve signup quality, reduce bounce rates, or clean marketing lists; Pro gives live SMTP inbox probes for true deliverability checks. Getting started is simple: sign up for a free API key and call the JSON endpoint. The free tier is useful for development and small projects, and Pro unlocks higher limits and live SMTP verification.
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