UserCheck, formerly known as MailCheck.ai, is an email verification API designed to help businesses improve their email deliverability. Launched in 2016 and rebranded in 2024, it identifies and blocks disposable and temporary email addresses, ensuring that users can focus on real leads. With over 8 years of experience and a diligent focus on user privacy, UserCheck supports real-time validation through an easy-to-integrate API, making it ideal for various platforms. UserCheck's features include real-time email analysis, domain verification, and robust support for high traffic applications. Additionally, it scales seamlessly to accommodate millions of requests while maintaining performance. With practical pricing plans, UserCheck caters to startups, growing businesses, and enterprise-level operations alike, all while being GDPR compliant.
• gdpr compliant
• seamless wordpress integration
• block fake users
• dedicated api support for high traffic
• real-time user authentication
• domain-only verification
• comprehensive email analysis
• identify disposable email addresses
• 500,000 requests per month
• 10,000 requests per hour
• Bulk email validation
• Email support
• Unlimited requests per month
• Unlimited requests per hour
• Bulk email validation
• Dedicated account manager
• Domain provider visibility
• Custom blocklist
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