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Last updated
March 10, 2025

Top 5 Interzoid Email Address Information API Alternatives in 2025

Nicolas Rios

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The Interzoid Email Address Information API is designed to validate email addresses and retrieve enrichment data for improved deliverability and marketing insights. However, this product might not be suitable for everyone.

This article will explore five alternatives to the Interzoid Email Address Information API. Each alternative offers unique features and capabilities that may better suit different needs and preferences.

Best Alternatives to Interzoid Email Address Information API in 2025

1) Abstract API

Abstract API

At Abstract API, we offer a comprehensive Email Validation and Verification API designed to enhance email delivery rates and maintain clean email lists. Our API performs real-time MX & SMTP checks, detects typos, and identifies disposable email addresses, ensuring compliance with privacy regulations like GDPR and CCPA. With global coverage, scalability, and reliable support, our solution integrates seamlessly with various tools and platforms, making it ideal for developers and enterprises alike.

API Features

  • Real-time MX & SMTP check: Ensures the deliverability of email addresses by performing real-time checks on mail exchange and SMTP servers.
  • Typo checking and smart suggestion: Detects common typos in email addresses and provides smart suggestions for corrections.
  • Disposable and free email providers check: Identifies and flags email addresses from disposable and free email providers to maintain list quality.
  • Privacy friendly: Complies with GDPR and CCPA regulations to ensure user data privacy and protection.
  • Syntax validation: Validates the syntax of email addresses to ensure they conform to standard email format rules.
  • Bulk operations: Supports bulk email validation, allowing you to process large lists of email addresses efficiently.
  • Multiple API keys & test environments: Provides the ability to generate multiple API keys and set up test environments for development and testing purposes.
  • Role detection: Detects role-based email addresses (e.g., admin@, support@) to help you manage your email lists better.

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, 3 requests per second, and domain whitelisting.
  • Basic Plan - $39/month: Offers 25,000 API calls per month, 5 requests per second, and domain whitelisting.
  • Standard Plan - $69/month: Provides 50,000 API calls per month, 10 requests per second, domain whitelisting, and multiple API keys.
  • Business Plan - $99/month: Features 100,000 API calls per month, 25 requests per second, domain whitelisting, and multiple API keys.
  • Professional Plan - $199/month: Grants 250,000 API calls per month, 50 requests per second, domain whitelisting, and multiple API keys.
  • Growth Plan - $499/month: Delivers 750,000 API calls per month, 100 requests per second, domain whitelisting, and multiple API keys.

If you would like a plan based on your specific needs, contact us for a custom solution.

What Are Users Saying?

Users consistently praise Abstract API for its reliability and ease of use.

  • "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) Email-Verify.My-Addr

Email-Verify.My-Addr

Email-Verify.My-Addr offers a robust API for email verification and validation, supporting over 95% of email services. It provides instant results, sub-status reporting, and a pay-per-result pricing model, ensuring clean and valid email lists.

API Features

  • Verify email account on more than 95% of email services: The service can verify email addresses across a wide range of email providers, covering over 95% of them.
  • Sub-status of verification: The API can return detailed sub-statuses such as domain_error, unknown_email, email_disabled, and dead_server.
  • Anti-greylisting feature: The service includes an anti-greylisting feature to improve verification speed and accuracy.

Email-Verify.My-Addr Pricing

  • 0-200,000 emails: $0.26 per 1000 emails. This tier includes basic email verification and instant results.
  • 200,000-500,000 emails: $0.20 per 1000 emails. Offers all features of the previous tier with a reduced cost per 1000 emails.
  • 500,000-5,000,000 emails: $0.14 per 1000 emails. Includes all features of the lower tiers with further cost reduction.
  • 5,000,000+ emails: $0.13 per 1000 emails. Provides the lowest cost per 1000 emails with all features of the previous tiers.

3) EmailOversight Email Validation

EmailOversight Email Validation

EmailOversight Email Validation offers a comprehensive solution for email verification and hygiene, utilizing a multi-method approach to ensure 99.5% accuracy in identifying and eliminating email threats such as hard bounces, spamtraps, and bots.

API Features

  • Multi-method Validation: Combines real-time email verification and email hygiene techniques to ensure comprehensive email validation.
  • Identification of Threats: Detects various email threats such as hard bounces, spamtraps, complainers, bots, and litigators to improve deliverability and sender reputation.
  • High-Speed Processing: Capable of processing large volumes of data quickly while maintaining a 99.5% accuracy rate.

EmailOversight Email Validation Pricing

  • Up to 10k: $70/month: Basic tier for small volumes of email validation.
  • Up to 25k: $125/month: Suitable for moderate volumes of email validation.
  • Up to 100k: $400/month: Ideal for larger volumes of email validation.
  • Up to 250k: $750/month: Designed for very large volumes of email validation.
  • Up to 1MM: Call Us: Custom pricing for extremely large volumes.

4) Dilli Labs Email Validation API

Dilli Labs Email Validation API

Dilli Labs Email Validation API allows users to verify email addresses in real-time, preventing spam and fake submissions while improving the quality of mailing lists.

API Features

  • Profanity Check: Detects and invalidates email addresses containing profanities, ensuring a clean and professional email list.
  • Custom Blacklist and Whitelist: Allows users to block or allow specific domains, top-level domains, or email addresses, providing a high level of customization.
  • Role-Based Email Address Detection: Identifies and optionally invalidates generic role-based email addresses like info@, support@, etc., offering flexibility in email validation.

Dilli Labs Email Validation API Pricing

  • Free Tier: 100 email validations upon signing up.
  • Paid Tier: 1/2 a cent per validation after the initial 100 free validations.

5) MailboxValidator

MailboxValidator

MailboxValidator is a user-friendly bulk email list cleaning service that provides immediate validation results in JSON or XML formats, helping users improve email list quality by identifying invalid email addresses.

API Features

  • Email Syntax Checker: Ensures that email addresses follow the correct format, which is crucial for preventing errors in email campaigns.
  • MX Record Checker: Verifies the presence of mail server records, ensuring that the email domain is valid and can receive emails.
  • Disposable Email Provider Checker: Identifies email addresses from disposable providers, helping to filter out temporary or potentially fraudulent email addresses from your list.

MailboxValidator Pricing

  • BULK-TRIAL: 100 queries with standard support and a response time of less than 1 hour. Free for 30 days.
  • BULK-1: 1,000 queries with email support and a response time of less than 4 hours. Costs $19.95 for 30 days.
  • BULK-5: 5,000 queries with email support and a response time of less than 4 hours. Costs $39.95 for 30 days.
  • BULK-10: 10,000 queries with email support and a response time of less than 4 hours. Costs $59.95 for 30 days.
  • BULK-50: 50,000 queries with email support and a response time of less than 12 hours. Costs $149.95 for 30 days.

What to Consider When Selecting a Interzoid Email Address Information API Alternative?

  1. Accuracy and Reliability: Ensure the API provides high accuracy in email validation to reduce bounce rates and improve deliverability.
  2. Compliance with Privacy Regulations: Check if the API complies with GDPR, CCPA, and other privacy regulations to protect user data.
  3. Integration Capabilities: Look for APIs that offer easy integration with popular platforms like Salesforce, AWS, and Zapier for seamless workflow.
  4. Scalability: Choose an API that can handle large volumes of email validations efficiently, especially if you have a growing email list.
  5. Customer Support: Opt for services that provide 24/7 support and technical onboarding to assist with any issues or questions.

Which One Should You Go With?

Each of the email validation services discussed offers unique features and pricing models, making them suitable for various needs and budgets. Whether you prioritize accuracy, speed, or specific functionalities, any of these options can help improve your email list quality and deliverability.

If you're looking for a robust alternative, we recommend signing up with Abstract API. With its comprehensive features, ease of integration, and strong 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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