1.1 Product Overview: What is Checker and What Does it Do?

1.1.1 Purpose of Checker

Checker is a software service that helps businesses protect real and reliable user data. It provides real-time protectionagainst issues commonly encountered in user registration-based systems, particularly in SaaS and e-commerce platforms, such as fake account creation, temporary email usage, and system abuse. It detects and blocks temporary email usage by analyzing email addresses during the registration process.

1.1.2 Core Functions and Benefits

• Real-Time Verification Checker's API checks whether an email address is temporary at the moment of registration and enables immediate action.

• Extensive Database It has a powerful and comprehensive database containing more than 170,000 temporary email domains.

• Low Latency It operates with an average response time of 100ms, performing verification without affecting user experience.

• Stays Updated It scans temporary email services daily, adding new threats to the database. This way, your system is always protected.

1.1.3 Why Such a Tool is Needed

Temporary email services make it easy for users to create short-term or anonymous accounts. However, this situation leads to serious problems such as:

• Abuse of free trial rights,

• Exploitation of promotional campaigns,

• Creation of multiple fake accounts by the same person.

By preventing such abuses, Checker:

• Reduces your revenue loss,

• Frees your system from fake traffic load,

• Enables you to work with genuine users.