2) IPQS Email Address Verification

IPQS Email Address Verification is a service that validates email addresses and identifies high-risk emails in real-time, ensuring over 99% accuracy through extensive data and proprietary tests. It helps reduce fraudulent activity, improve email deliverability, and maintain email list hygiene.
API Features
- Real-Time Email Verification API: Instantly score and validate email addresses using a simple API.
- Email Reputation Scoring: Analyze the reputation of email addresses to filter out low-quality and abusive users.
- Detection of Disposable and Temporary Emails: Identify and block disposable email addresses to prevent fraud.
IPQS Email Address Verification Pricing
- Basic Plan: Offers essential email verification features suitable for small businesses or individual users.
- Pro Plan: Includes advanced email reputation scoring and detection of disposable emails, ideal for medium-sized enterprises.
- Enterprise Plan: Provides comprehensive email verification with custom solutions and dedicated support for large organizations.
- Pay-As-You-Go: Allows users to pay based on the number of verifications needed, offering flexibility without a subscription.
- Custom Plan: Tailored solutions for unique business needs, requiring direct contact with IPQS support for pricing details.
3) EmailValidation

EmailValidation offers a robust API that allows users to validate email addresses in real-time, ensuring accuracy and reliability with features like SMTP checks, MX record detection, and disposable email identification.
API Features
- Free & Reliable Service: The service is free to start and promises reliability in validating email addresses.
- Clear Data Structure: The API returns easy-to-read JSON responses, ensuring long-term support and future data enhancements.
- 1st Class Developer Experience: The API is designed to be easy to integrate and use, with a focus on providing a great developer experience.
EmailValidation Pricing
- Free Plan: Offers 100 credits per month, suitable for hobby projects. Includes basic features like Email Validator, Email Finder, and LinkedIn Email Finder.
- Small Plan: Priced at $9.99/month, it provides 5,000 credits. Ideal for small projects, it includes all features of the Free Plan plus unlimited concurrent requests.
- Medium Plan: Costs $34.99/month and includes 25,000 credits. Designed for medium-sized projects, it offers additional API keys and advanced functionalities.
- Large Plan: Available for $94.99/month, this plan offers 100,000 credits. Best for large projects, it includes up to 5 API keys and comprehensive API features.
- Custom Plan: Pricing is not public. Contact their support for more info.
4) Quick Email Verification

Quick Email Verification offers a real-time email validation API that ensures only valid email addresses enter your database, helping businesses improve email acquisition practices, maintain data quality, and enhance email marketing efforts.
API Features
- Real-Time Verification: Instantly validates email addresses as they are entered, ensuring only valid emails are collected.
- Batch Verification: Efficiently processes large lists of email addresses, removing invalid and duplicate entries.
- Ready Libraries: Supports multiple programming languages like PHP, Node.js, Ruby, and Python for easy integration.
Quick Email Verification Pricing
- Freemium Plan: Verify up to 100 email addresses for free daily. Best for small businesses and startups.
- One-Time Plan (Pay as you go): Persistent credits that never expire, with volume options ranging from 500 to 5 million email verifications.
- Daily Plan (Pay monthly): Monthly subscription with per day credits, offering various volume options from 100 to 50,000 email verifications per day.
- Custom High-Volume Plans: Tailored for agencies or enterprises with high-volume needs. Requires contacting support for the best deal.
5) Neutrino API Email Validate

Neutrino API Email Validate is a comprehensive service that parses, validates, and cleans email addresses by checking syntax, validating DNS, fixing typos, and filtering out freemail and disposable addresses.
API Features
- Syntax Checks: Ensures that the email address adheres to established email formatting standards (RFC822 and RFC2822).
- DNS Validation: Confirms that the email domain is correctly configured and capable of receiving emails by checking MX records.
- Typo Fixing: Automatically corrects common errors in email addresses, enhancing the accuracy and reliability of email data.
Neutrino API Email Validate Pricing
- Basic Plan: Offers essential email validation features, including syntax checks and DNS validation.
- Pro Plan: Includes advanced typo fixing and freemail filtering, suitable for medium-sized businesses.
- Enterprise Plan: Provides comprehensive email validation with custom solutions and dedicated support for large organizations.
- Pay-As-You-Go: Allows users to pay based on the number of validations needed, offering flexibility without a subscription.
- Custom Plan: Tailored solutions for unique business needs, requiring direct contact with Neutrino API support for pricing details.
What to Consider When Selecting a Clearout Email Verification & Validation API Alternative?
- Accuracy and Reliability: Ensure the API provides high accuracy in email validation, including real-time checks, typo detection, and disposable email filtering.
- Integration Capabilities: Look for easy integration with your existing systems, including support for multiple programming languages and detailed API documentation.
- Scalability: Choose an API that can handle large volumes of email verifications efficiently, offering both real-time and batch processing options.
- Privacy and Security Compliance: Verify that the service complies with privacy regulations like GDPR and CCPA, and offers robust security measures to protect your data.
- Customer Support and Resources: Opt for a provider that offers excellent customer support, including comprehensive documentation, code examples, and responsive technical assistance.
Which One Should You Go With?
Each of the email verification and validation APIs discussed offers unique features and benefits, making them all solid choices depending on your specific needs. However, if you're looking for a reliable and comprehensive alternative, we recommend Abstract API.
With its real-time checks, typo correction, and robust privacy compliance, Abstract API stands out as a top contender. Sign up today to experience its seamless integration and exceptional customer support.