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Email Validator API

Stop fake emails from breaking your signup flow

Email
API
Developer Tools
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Hunted bygia ly buigia ly bui

Validate any email in real time with a 3-step check: syntax, MX record, and SMTP handshake. No email sent — we verify the mailbox actually exists. Catches typos (gmial.com), disposable domains (mailinator), and dead addresses before they hit your database. Free tier: 1,000 validations/month. No API key. Pure Python, GDPR-friendly.

Top comment

Built this after my own signup forms kept collecting fake emails from bots. Tried every regex-only validator out there — they all let obvious fakes through. So I built one that actually talks to the mail server. Now handling thousands of validations daily. Adding typo-suggestions next. Feedback welcome!

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About Email Validator API on Product Hunt

Stop fake emails from breaking your signup flow

Email Validator API was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #62 on the daily leaderboard. Validate any email in real time with a 3-step check: syntax, MX record, and SMTP handshake. No email sent — we verify the mailbox actually exists. Catches typos (gmial.com), disposable domains (mailinator), and dead addresses before they hit your database. Free tier: 1,000 validations/month. No API key. Pure Python, GDPR-friendly.

Email Validator API was featured in Email (36.8k followers), API (98.5k followers) and Developer Tools (517.6k followers) on Product Hunt. Together, these topics include over 98.7k products, making this a competitive space to launch in.

Who hunted Email Validator API?

Email Validator API was hunted by gia ly bui. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.

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