DisposableCheck – Disposable Email Check – Free API for Detecting Temporary Emails

Summary: DisposableCheck is a free API that detects disposable and temporary email addresses to prevent fake signups and spam. It provides instant verification of emails from known throwaway providers, helping maintain user quality across various projects.

What it does

DisposableCheck instantly verifies if an email belongs to a disposable provider using a simple, developer-friendly API with minimal setup.

Who it's for

It is designed for SaaS, startups, side projects, and landing pages that need to reduce fake or low-quality user signups.

Why it matters

It helps prevent disposable emails from polluting user databases, improving signup quality and metrics accuracy.