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March 10, 2025

Top 5 Mailgun Email Validation API Alternatives in 2025

Nicolas Rios

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Mailgun Email Validation API allows you to embed email validation directly into your site, form, or application to automatically verify incoming addresses at the point of collection. However, this product might not be suitable for everyone.

This article will explore five alternatives to Mailgun Email Validation API. Each alternative offers unique features and functionalities that may better suit your specific needs.

Best Alternatives to Mailgun Email Validation API in 2025

1) Abstract API

Abstract API

At Abstract API, we offer a robust Email Validation and Verification API designed to enhance your email delivery rates and maintain clean email lists. Our API provides real-time validation, typo checking, and disposable email detection, ensuring compliance with privacy laws. Built for global coverage, scalability, and reliable uptime, our solution integrates seamlessly with various platforms and comes with extensive documentation and support.

API Features

  • Real-time MX & SMTP check: Our API performs real-time MX and SMTP checks to ensure the email address can receive emails.
  • Typo checking and smart suggestions: Detects typos and provides smart suggestions to correct them, improving email accuracy.
  • Disposable email detection: Identifies disposable email addresses by screening against a list of over 3,000 disposable domains.
  • Privacy-friendly: Complies with GDPR and CCPA regulations, ensuring user data is handled with the highest privacy standards.
  • High risk, low reputation domain alerts: Monitors and alerts for domains with high risk or low reputation, helping maintain email list quality.
  • Role-based email detection: Flags role-based email addresses (e.g., sales@, info@) to assess the quality and potential use case of the email address.
  • Syntax validation: Includes robust syntax validation that accounts for thousands of edge cases, ensuring email addresses are correctly formatted.
  • Scalability and performance: Designed to handle from 10 to 10,000 requests per second with fast response times and reliable uptime.

These are just a few of Abstract API's many features. Check them out here to learn more.

Abstract API Pricing

  • Starter Plan - $19/month: Includes 10,000 API calls per month and supports up to 3 requests per second. Domain whitelisting is also available.
  • Basic Plan - $39/month: Offers 25,000 API calls per month with a limit of 5 requests per second. Domain whitelisting is included.
  • Standard Plan - $69/month: Provides 50,000 API calls per month and allows up to 10 requests per second. This plan also includes domain whitelisting and multiple API keys.
  • Business Plan - $99/month: Grants 100,000 API calls per month with a capacity of 25 requests per second. Features include domain whitelisting and multiple API keys.
  • Professional Plan - $199/month: Comes with 250,000 API calls per month and supports 50 requests per second. Domain whitelisting and multiple API keys are part of this plan.
  • Growth Plan - $499/month: Offers 750,000 API calls per month and can handle up to 100 requests per second. This plan includes domain whitelisting and multiple API keys.

If you need a plan based on your specific needs, contact us to request a custom solution.

What Are Users Saying?

Users consistently praise Abstract API for its accuracy, ease of use, and cost-effectiveness.

  • "Accurate email verification, I tested a different amount of times." - Isa M.
  • "It gives quality score and deliverability of the email which reduces bounce rate for my emails." - Verified User in Retail

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2) Emailable

Emailable

Emailable offers an Email Verification API that enables developers to filter invalid email addresses directly on their websites, landing pages, or applications, ensuring data privacy and compliance with industry standards.

API Features

  • Sample Code and Test Environment: Provides sample code and a test environment for easy integration.
  • Batch Operations and Webhooks: Supports batch operations and webhooks for efficient email verification.
  • Custom Charts and Result Statistics: Allows users to visualize API usage and gain insights through custom charts and statistics.

Emailable Pricing

  • Pay-As-You-Go: No monthly payments, buy only what you need, and credits never expire.
  • Monthly Subscription: Subscribe and save 15%, cancel anytime, and credits never expire.
  • Standard Plan: 500 Inbox Reports, 50 Blacklist Monitors, and 12-Hour Blacklist Check Frequency.
  • Enterprise Plan: Unlimited Inbox Reports, Unlimited Blacklist Monitors, and Hourly Blacklist Check Frequency.
  • Volume Discounts: Available for larger purchases, offering cost savings based on the number of credits bought.

3) Kickbox

Kickbox

Kickbox provides an Email Verification API that validates email addresses in real-time at the point of capture, ensuring a clean email database and improving deliverability success by blocking fake emails and reducing bounce rates.

API Features

  • Real-Time Email Verification: Validates email addresses instantly at the point of capture, ensuring only legitimate emails enter your database.
  • Batch Verification: Efficiently processes large lists of up to 1 million email addresses, providing detailed responses for each.
  • API Dashboard: Visualizes email verification data over time, helping users monitor and manage email quality effectively.

Kickbox Pricing

  • 100 Verifications: Free of charge.
  • 500 Verifications: Costs $5.
  • 1,000 Verifications: Costs $10.
  • 2,500 Verifications: Costs $25.
  • 5,000 Verifications: Costs $40.

4) DeBounce

DeBounce

DeBounce provides a robust Email Validation API that ensures the validity of email addresses through real-time and bulk validation, helping businesses maintain a clean email list and effectively reach their audience.

API Features

  • Email Avatar: Retrieves an avatar URL associated with any email address from multiple online resources.
  • Spelling Suggestion: Provides "Do You Mean" suggestions for misspelled emails, correcting major email provider domains.
  • Spam Traps Detection: Filters out known spam-traps and honeypots using a constantly updated database.

DeBounce Pricing

  • 5,000 Verifications: Costs $10. This plan includes all features and credits never expire.
  • 10,000 Verifications: Costs $15. Offers the same features as the 5,000 verifications plan but at a lower cost per verification.
  • 25,000 Verifications: Costs $30. Provides a more economical option for larger email lists with all features included.
  • 50,000 Verifications: Costs $50. Suitable for medium-sized businesses needing extensive email validation.
  • 100,000 Verifications: Costs $90. Ideal for large-scale operations, offering the lowest cost per verification among the smaller plans.

5) Mailboxlayer

Mailboxlayer

Mailboxlayer offers a JSON API for email validation and verification, providing features like syntax and typo checks, MX-Records and SMTP verification, catch-all detection, and filtering of free and disposable emails.

API Features

  • Syntax & Typo Check: Validates email syntax and provides suggestions for common typos, ensuring accurate email entries.
  • MX-Records & SMTP Verification: Confirms the existence of email domains and checks the validity of email addresses through SMTP.
  • Catch-All Detection: Identifies domains that accept all emails, helping to filter out potentially invalid addresses.

Mailboxlayer Pricing

  • 5,000 Verifications: Costs $10. This plan includes all features and credits never expire.
  • 10,000 Verifications: Costs $15. Offers the same features as the 5,000 verifications plan but at a lower cost per verification.
  • 25,000 Verifications: Costs $30. Provides a more economical option for larger email lists with all features included.
  • 50,000 Verifications: Costs $50. Suitable for medium-sized businesses needing extensive email validation.
  • 100,000 Verifications: Costs $90. Ideal for large-scale operations, offering the lowest cost per verification among the smaller plans.

What to Consider When Selecting a Mailgun Email Validation API Alternative?

  1. Real-Time Verification: Ensures email addresses are validated instantly at the point of capture, reducing the risk of fake or mistyped emails entering your database.
  2. Batch Operations: Supports bulk email verification, allowing you to process large lists efficiently and maintain a clean email database.
  3. Syntax and Typo Checks: Validates email syntax and provides suggestions for common typos, ensuring accurate email entries and reducing bounce rates.
  4. Spam Trap and Disposable Email Detection: Filters out known spam traps and disposable email addresses, protecting your sender reputation and improving deliverability.
  5. Compliance and Security: Ensures data privacy and compliance with industry standards like GDPR and CCPA, providing peace of mind for businesses handling sensitive information.

Which One Should You Go With?

Each of the email validation APIs discussed offers unique features and pricing plans, making them suitable for various business needs. Whether you prioritize real-time verification, batch operations, or advanced typo checks, any of these options can help maintain a clean and effective email list.

If you're looking for a robust alternative, we recommend signing up with Abstract API. With its comprehensive features, privacy compliance, and excellent customer support, Abstract API stands out as a reliable choice for email validation and verification.

Nicolas Rios

Head of Product at Abstract API

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Get your free
Phone Validation
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4.8 from 1,863 votes
See why the best developers build on Abstract
Thank you! Your submission has been received!
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Get your free
IP Geolocation
key now
4.8 from 1,863 votes
See why the best developers build on Abstract
Thank you! Your submission has been received!
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No credit card required
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Email Validation
key now
4.8 from 1,863 votes
See why the best developers build on Abstract
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
No credit card required