Lero - Email Validator

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Lero is on a mission to make enterprise-grade email validation accessible and affordable for founders and growing businesses. Every founder deserves access to enterprise-grade tools without enterprise-grade prices. Lero was built to deliver 97.3% email validation accuracy at a fraction of the cost, helping startups and growing businesses maintain clean email lists and improve deliverability without breaking the bank. The company was founded in Madrid with the vision of democratizing enterprise email validation. Lero's proprietary email validation engine has multiple verification layers including syntax checking, domain validation, MX record verification, and mailbox existence testing. The company has processed over 10 million email validations and refined its algorithms based on real-world feedback. Lero has maintained sub-50ms response times even at scale and has featured on Product Hunt, gaining traction among the startup community.