2) MailerCheck

MailerCheck provides real-time email verification to ensure email lists are clean and valid, helping businesses maintain their email sender reputation and improve deliverability. It offers features like email list verification, inbox placement checks, and DMARC monitoring to optimize email marketing efforts.
API Features
- Real-time API Verification: Verifies new email addresses as they are collected, ensuring your email lists remain clean and valid.
- Inbox Placement: Checks if emails will reach the inbox or land in the spam folder, helping to optimize email deliverability.
- DMARC Monitoring and Reporting Tool: Tracks domain activity to protect accounts and reputation from potential threats.
MailerCheck Pricing
- Pay as you go: $0.01 per credit. Requires a minimum purchase of 1,000 credits.
- Free Plan: $0 per month. Includes 1 user, 1 DMARC domain, and 2 blocklist monitors.
- Basic Plan: $125 per month. Offers 1 user, 10 DMARC domains, and 66 blocklist monitors.
- Premium Plan: $275 per month. Provides 5 users, 20 DMARC domains, and 256 blocklist monitors.
- Enterprise Plan: $975 per month. Features unlimited users, unlimited DMARC domains, and 1,024 blocklist monitors.
3) APILayer Email Verification API

APILayer Email Verification API is designed to validate and verify email addresses by assessing their deliverability and quality. It uses methods like regex validation, DNS checks for MX records, and real-time SMTP server connections without sending any emails.
API Features
- is_disposable: Checks if the email is from a disposable email provider such as mailinator.com.
- is_role_account: Identifies if the email address is a role-based account like [email protected] or [email protected].
- is_catch_all: Determines if the email address is a catch-all address that accepts all emails sent to a domain.
APILayer Email Verification API Pricing
- Free Plan: $0.00 per month. Includes 100 requests per month and does not require a credit card.
- Starter Plan: $14.99 per month. Offers 5,000 requests per month with standard support.
- Pro Plan: $74.99 per month. Provides 50,000 requests per month and standard support.
- Enterprise Plan: $249.99 per month. Includes 250,000 requests per month with standard support.
- Custom Plan: Volume-based pricing. Contact support for details on custom request volumes.
4) Cloudmersive Full Email Address Validation and Verification

Cloudmersive Full Email Address Validation and Verification offers real-time, on-demand email verification with high performance, suitable for user experience applications like signup and checkout flows. It supports multi-factor validation, including syntax, DNS, and server-level email verification, ensuring high-quality email validation results.
API Features
- 360-degree Email Verification: Utilizes multi-factor validation including syntax, DNS, and server-level checks to ensure comprehensive and accurate email verification.
- Flexible Deployment Options: Offers various deployment options such as public cloud, managed instance, private cloud, and government cloud to meet different compliance and security needs.
- Enhanced Support: Provides 24/7 support to assist users with any issues or questions, ensuring reliable and continuous service.
Cloudmersive Full Email Address Validation and Verification Pricing
- Small Business Plans: For businesses with fewer than 50 employees. Includes basic security capabilities and multi-tenant cloud options.
- Medium Business Plans: Suitable for businesses with up to 250 employees. Offers multi-tenant and single-tenant cloud options, on-premises deployment, advanced security capabilities, and SLA agreements.
- Enterprise Plans: Designed for large enterprises with unlimited employees. Provides multi-tenant and single-tenant cloud options, on-premises deployment, advanced security capabilities, SLA agreements, and enhanced support and customer success.
- Government Plans: Tailored for government entities with unlimited employees. Features government cloud options, on-premises deployment, advanced security capabilities, SLA agreements, and enhanced support and customer success.
- Cloudmersive Full Email Address Validation and Verification's pricing is not public. Contact their support for more info.
5) Maileroo

Maileroo is a privacy-friendly email validation service that helps users validate emails before they are saved to their database. It ensures that only real, high-value users are added to the database by verifying and validating email addresses.
API Features
- Real-time MX Check: Ensures that the email address exists and can receive emails by checking the DNS records for the domain.
- Safe and Secure: Emphasizes data privacy and security, stating that user data is not stored or shared with third parties.
- Temporary Email Detection: Identifies temporary and disposable email addresses to maintain a clean platform and prevent abuse.
Maileroo Pricing
- Free Plan: Send up to 3,000 emails per month at no cost. Includes basic features for both Email API and Email Marketing.
- Email API Plan: Pricing based on the number of emails sent per month, with tiers such as 25,000, 50,000, and 100,000 emails. Offers all features included in the Free Plan.
- Email Marketing Plan: Pricing based on the number of contacts, with tiers such as 500, 1,000, and 1,500 contacts. Includes all features from the Free Plan and scales with the number of contacts.
- Custom Plan: Tailored pricing based on specific needs. Users are encouraged to contact support for more details.
- Maileroo's pricing is not public. Contact their support for more info.
What to Consider When Selecting a EmailHippo email verification API Alternative?
- Real-time Verification: Ensures that email addresses are validated instantly as they are collected, helping maintain a clean and accurate email list.
- Disposable Email Detection: Identifies and filters out temporary or disposable email addresses, preventing low-quality or spammy contacts from entering your database.
- Syntax and Typo Checking: Automatically detects and corrects common typos and syntax errors in email addresses, improving the accuracy of your email list.
- Integration Capabilities: Offers seamless integration with various platforms and applications, making it easy to incorporate email verification into your existing workflows.
- Privacy and Security: Adheres to industry-standard security practices and privacy regulations (such as GDPR and CCPA), ensuring that user data is protected and compliant.
Which One Should You Go With?
Each of the email verification APIs discussed offers unique features and benefits, making any of them a solid choice for maintaining a clean and accurate email list. However, if you're looking for an alternative that combines real-time verification, privacy compliance, and extensive domain monitoring, we recommend Abstract API.
With its industry-leading accuracy, blazing speed, and reliable uptime, Abstract API stands out as a top choice for businesses of all sizes. Sign up today to experience the benefits of a robust email validation service that prioritizes security and performance.