2) Bouncify

Bouncify is an email validation API that enhances deliverability by verifying email addresses in real-time through a simple API call, making it ideal for preventing fake registrations and ensuring accurate email collection.
API Features
- Real-Time Email Verification: Validates email addresses instantly to prevent fake registrations and ensure accurate email collection.
- Bulk Email Verification: Allows for the upload and verification of large email lists, automating the process and providing results efficiently.
- High Accuracy: Utilizes advanced checks to deliver highly accurate validation results, making email lists reliable and dependable.
Bouncify Pricing
- 10K Verifications: Basic plan for small lists, priced at ₹1,200 or $19.
- 30K Verifications: Intermediate plan for medium lists, priced at ₹2,400 or $39.
- 100K Verifications: Advanced plan for larger lists, priced at ₹4,900 or $99.
- 200K Verifications: Higher volume plan, priced at ₹8,400 or $159.
- 500K Verifications: Large volume plan, priced at ₹16,900 or $279.
3) MailValidation.io Email Validation Services

MailValidation.io Email Validation Services offers a robust email validation API that checks for real email addresses at the point of signup and cleans emails already collected, ensuring high accuracy and compliance with privacy regulations.
API Features
- Email Blacklist Check: Checks if email addresses are on known blacklists to protect sender reputation and improve deliverability.
- Bulk Email Validation: Validates large volumes of email addresses efficiently, ideal for marketers and businesses with extensive email lists.
- Mailbox Type Identification: Identifies the type of mailbox for each email address, aiding in list segmentation and targeted marketing.
MailValidation.io Email Validation Services Pricing
- Lite Plan: Validates up to 1,999 emails per month at $0.005 per email, totaling $10 monthly. Includes access to all features.
- Starter Plan: Validates up to 9,999 emails per month at $0.0045 per email, totaling $45 monthly. Includes access to all features.
- Professional Plan: Validates up to 19,999 emails per month at $0.004 per email, totaling $80 monthly. Includes access to all features.
- Business Plan: Validates up to 100,000 emails per month at $0.0033 per email, totaling $330 monthly. Includes access to all features.
- Enterprise Plan: Volume plans available up to 20 million emails per month. Pricing details require contacting support.
4) Postcoder Email address validation

Postcoder Email address validation is a real-time email validation API that ensures only correct and deliverable email addresses are captured, helping to block incorrect or fraudulent signups and trusted by leading organizations worldwide.
API Features
- Real-time Validation: Postcoder validates email addresses in real-time as they are typed into forms, ensuring immediate feedback on the validity of the email address.
- Typo and Disposable Domain Detection: The API highlights typos and identifies disposable email domains, helping to capture only genuine and deliverable email addresses.
- Developer-Friendly Integration: Postcoder offers an optimized developer experience with a REST API, sample code, and comprehensive documentation, making integration quick and straightforward.
Postcoder Email address validation Pricing
- Credit Packs: Offers a range of credits from 500 to 200,000, valid for 12 months with no contract required. Free technical support is included.
- Monthly Plans: Provides monthly credits from 1,000 to 100,000, with the ability to change or cancel the plan each month. Additional credits are charged at a specified rate.
- Enterprise/Public Sector Pricing: For larger volumes or specific needs, users must contact sales for a quote. This option is tailored for high-volume users.
- Credit Calculator: Available to estimate usage and costs based on specific needs. Helps users understand potential expenses before committing.
- Free Technical Support: Included with all plans, ensuring users have access to assistance as needed.
5) Gamalogic

Gamalogic offers free email validation API tools and email finder tools, designed to find and verify email addresses in real-time, ensuring accurate email collection and protecting sender reputation.
API Features
- Protect your email reputation: Ensures that users collect and send emails to accurate addresses, which helps in maintaining the sender's reputation.
- Increase ROI: The free email validation tool helps convert more customers by focusing on real audiences, reducing the need for manual correction of invalid data.
- Catch All email verification: Uses a unique algorithm to determine the exact email address for GSuite, Google Mail, Gmail, Outlook, Office 365, or O365 catch-all addresses.
Gamalogic Pricing
- Subscription Model: Offers 2,500 credits per month for $12, or $10 per month if billed annually. Credits can be used for email validation and finding, with no contract and no expiration.
- Pay-As-You-Go Model: Provides 2,500 credits for $10. Credits can be used for email validation and finding, with no contract and no expiration.
What to Consider When Selecting a Bouncer Email Verification API Alternative?
- Real-Time Validation: Ensures email addresses are verified instantly, preventing fake registrations and improving data accuracy.
- Privacy Compliance: Adheres to regulations like GDPR and CCPA, ensuring user data is handled securely and legally.
- Integration Options: Offers easy integration with existing tools and platforms, often through simple HTTP APIs and comprehensive documentation.
- Accuracy and Reliability: Utilizes advanced checks and algorithms to provide highly accurate validation results, making email lists dependable.
- Scalability and Performance: Capable of handling large volumes of email verifications efficiently, ensuring the service can grow with your needs.
Which One Should You Go With?
Choosing the right email validation API can significantly enhance your email marketing efforts and protect your sender reputation. Each of the options discussed offers unique features and pricing plans to suit various needs and budgets. Whether you prioritize real-time validation, bulk email verification, or privacy compliance, any of these services can be a valuable addition to your toolkit.
If you're looking for a reliable and comprehensive solution, we recommend signing up with Abstract API. With its robust features, ease of integration, and excellent customer support, Abstract API stands out as a top choice for businesses seeking an effective email validation service. Explore their offerings and see how they can help streamline your email validation process.