2) EmailValidation

EmailValidation is a user-friendly API designed to validate any email address in real-time, offering fast, stable, and easy integration for developers and businesses alike.
API Features
- Real-time Validation: Instantly verifies email addresses to ensure they are active and valid.
- Clear JSON Responses: Provides easy-to-read JSON data, simplifying integration and data handling.
- Customizable API: Allows businesses to tailor the API to meet their specific needs and requirements.
EmailValidation Pricing
- Free: Offers 100 credits per month with basic features like Email Validator, Email Finder, and LinkedIn Email Finder.
- Small: Costs $9.99 per month and includes 5,000 credits, along with all features in the Free plan plus unlimited concurrent requests.
- Medium: Priced at $34.99 per month, this plan provides 25,000 credits and includes additional API keys and all features from the Small plan.
- Large: For $94.99 per month, users get 100,000 credits and up to 5 API keys, along with all features from the Medium plan.
- Custom Plan: Tailored solutions for specific business needs. Contact support for a custom plan.
3) Quick Email Verification

Quick Email Verification offers an Email Verification API that ensures only valid email addresses enter your database, providing real-time and batch email verification, easy integration, ready libraries, and complete automation to improve email marketing efforts.
API Features
- Real-Time Verification: Instantly validates email addresses as they are typed, preventing typos and invalid entries.
- Batch Verification: Efficiently cleans large email lists by removing invalid and duplicate emails, improving data quality.
- Ready Libraries: Provides pre-built libraries for multiple programming languages, ensuring seamless API integration.
Quick Email Verification Pricing
- Freemium Plan: Verify up to 100 email addresses for free daily.
- One-Time Plan (Pay as you go): Persistent credits that never expire. Example: $4 for 500 credits.
- Daily Plan (Pay monthly): Credits reset daily. Example: $0/month for 100 credits per day.
- Custom Volume Plan: Tailored high-volume plans. Requires contacting support for specific details and pricing.
4) Neutrino API Email Validate

Neutrino API Email Validate is a comprehensive tool that ensures email addresses are valid by performing syntax checks, DNS validation, typo fixing, and filtering out freemail, disposable, and role-based addresses.
API Features
- Syntax Checks: Ensures the email address complies with RFC822 and RFC2822 standards.
- DNS Validation: Verifies that the email domain resolves correctly and has operational MX records.
- Typo Fixing: Automatically corrects common typos in domain names, TLDs, and freemail addresses.
Neutrino API Email Validate Pricing
- Free Plan: Offers 50 free API requests per day with limited features.
- Basic Plan: Costs $9.99 per month and includes 1,000 API requests per day with standard features.
- Pro Plan: Priced at $49.99 per month, this plan provides 10,000 API requests per day and includes advanced features.
- Enterprise Plan: For $199.99 per month, users get 50,000 API requests per day with premium support and all features.
- Custom Plan: Tailored solutions for specific business needs. Contact support for a custom plan.
5) Captain Verify Email Validation API

Captain Verify Email Validation API is a tool that allows users to verify the validity of email addresses by integrating the API into their own applications, ensuring that email addresses are valid and reducing the chances of sending emails to invalid or risky addresses.
API Features
- Email Normalization: Automatically removes tags from email addresses, ensuring they are standardized.
- Did You Mean: Suggests corrections for mistyped email addresses, improving accuracy and reducing errors.
- Error Handling: Provides specific error messages when authentication fails or credits are exhausted, helping users quickly identify and resolve issues.
Captain Verify Email Validation API Pricing
- One-Time Purchase Options: These allow users to buy a specific number of email verifications without any ongoing commitment. The pricing is exclusive of tax, and there are no hidden costs.
- Subscription Options: These plans offer a monthly allocation of email verifications with a 10% discount compared to one-time purchases. Subscriptions can be canceled at any time, and annual subscriptions offer two months free.
What to Consider When Selecting a IPQS Email Address Verification Alternative?
- Real-Time Validation: Ensures email addresses are verified instantly as they are entered, reducing the chances of invalid entries.
- Privacy Compliance: Adherence to regulations like GDPR and CCPA is crucial for maintaining user trust and avoiding legal issues.
- Accuracy and Reliability: High accuracy in detecting valid emails, disposable addresses, and typos is essential for maintaining a clean email list.
- Bulk Verification: The ability to handle large volumes of email addresses efficiently is important for businesses with extensive email lists.
- Integration and Support: Easy integration with existing systems and robust customer support can significantly enhance the user experience and reduce downtime.
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 validation, bulk verification, or privacy compliance, there's an option that will fit your requirements.
If you're looking for a reliable and comprehensive alternative, we recommend signing up with Abstract API. With its high accuracy, fast response times, and strong focus on privacy and compliance, Abstract API stands out as a top choice for email validation and verification.