Free Email Verification API

Validate and verify emails before they're saved to your database to ensure you have only real, high-value users.

Loaded with features you’ll love

Real-time MX Check

Our Email Validation API is built to check email addresses in real-time to ensure that the email address exists and is able to receive email. This is done by checking the DNS records for the domain of the email address.

Safe and Secure

We don’t store your data or share it with anyone. We also don’t sell your data to third parties. We only use your data to provide our service to you. We take security seriously and use industry-standard security practices to protect your data.

Temporary Email Detection

We detect temporary email addresses and disposable email addresses so you can keep your platform clean and prevent abuse. We also detect role-based and free email providers.

Validate emails with accuracy

Anyone can build and clean an email list. However, keeping it clean and retaining high-value users requires a tested email verification API. Maileroo offers a free email verification API that verifies and validates emails before they’re added to the database.

We validate emails with a comprehensive set of checks to ensure they are deliverable and safe to send to.

Check Syntax check

Check MX record check

Check Disposable email check

Check Free email check

Check Role email check

Check Spell (domain) check

Free Temporary Email Validation API

Welcome to Maileroo's free email verification API. We're a privacy friendly email validation service that helps you validate emails before they're saved to your database.

At the core of our service is the Real-Time MX Check. Our cutting-edge Email Validation API rapidly verifies email addresses in real-time, ensuring not only their existence but also their ability to receive emails. This crucial step is accomplished by meticulously checking the DNS records of each email address's domain, offering you immediate assurance in email deliverability.

Our API is uniquely designed to identify temporary and disposable email addresses. This feature is vital in preserving the integrity of your platform, preventing misuse, and ensuring a clean, abuse-free environment. We extend this capability to detect role-based and free email providers, offering you a comprehensive filter against potential email-related issues.

Accuracy in email validation is non-negotiable. Our service encompasses a broad range of checks to certify the deliverability and safety of each email address. These checks include:

  • Syntax Check: Verifying the format for correctness.
  • MX Record Check: Ensuring the domain can receive emails.
  • Disposable Email Check: Identifying and flagging temporary email addresses.
  • Free Email Check: Detecting addresses from free email providers.
  • Role Email Check: Recognizing role-based email addresses.
  • Spell (Domain) Check: Confirming the domain is spelled correctly and exists.

And the best part? Our Email Verification API is completely free to use. No credit card required.

The screenshot below shows how easy it is to use our API. Simply make a POST request to our API endpoint with your API key and the email address you want to validate. The API will return a JSON response with the validation results.

Email Validation HTTP API

Get your API key today. 100% free.