# mailcheck.ai - **Website:** - **Primary alias:** `mailcheck.ai` ## Description MailCheck.ai is a brand that offers a free API to help block temporary email addresses. Whether you're running a service that provides free offerings to users or simply want to prevent sign-ups with throwaway emails, MailCheck.ai is here to help. By integrating their API into your registration process, you can ensure that users can't sign up with disposable domains. MailCheck.ai maintains an always up-to-date database by scanning the web for new disposable domains and analyzing the domains sent to its API. This proactive approach ensures accuracy and prevents unwanted emails from slipping through. Unlike other alternatives, MailCheck.ai is free to use and offers 86,400 free requests per month without any registration required. They also provide an easy setup process, allowing you to add their API to your sign-up flow or use their WordPress plugin. Choose MailCheck.ai to effectively block disposable emails and maintain the integrity of your user base. ## Industries - 🖥 Computers Electronics and Technology - 🖥 Email _(under Computers Electronics and Technology)_ ## Links - [github](https://github.com/usercheckhq) ## Logos & icons - logo _(primary)_ — PNG — [download](https://cdn.brandfetch.io/id8IVXUqIj/w/104/h/104/theme/dark/logo.png?c=1bxid64Mup7aczewSAYMX&t=1782409740530) ## Colors | Name | Hex | Theme | | --- | --- | --- | | Royal Blue | #4f46e5 | accent | | Black | #000000 | dark | | White | #ffffff | light | ## Fonts - ui-sans-serif — asset _(custom)_ --- _Source: _ _See [/llms.txt](/llms.txt) for a full list of agent-readable pages, and [/auth.md](/auth.md) for how agents authenticate._