2) Elastic Email

Elastic Email offers an Email Verification service that helps validate and optimize email lists to boost deliverability, reduce bounces, and enhance email sending performance. It uses data from millions of emails and Machine Learning algorithms to ensure high-quality email verification.
API Features
- Single and Bulk Verification: The service allows for both single and bulk email verification, making it versatile for different needs.
- Identification of Typos, Misspellings, and Role Emails: The tool can catch common email input errors and role-based emails.
- Detection of Toxic and Throwaway Domains: It can identify and filter out email addresses from low-quality or temporary email services.
Elastic Email Pricing
- Pilot Plan: $0/month. Allows users to test crucial features with limited sending capacity.
- Starter Plan: $19/month for up to 50,000 emails. Suitable for small to medium-sized businesses, offering email API and SMTP relay, email designer, suppressions management, single & bulk email verification, tracking and analytics, and customer support.
- Pro Plan: $49/month for up to 50,000 emails. Designed for businesses with more advanced needs, including all Starter plan features plus inbound email processing, webhooks, reseller features, user management, sub accounts, and custom rDNS.
3) Interzoid Email Address Information API

Interzoid Email Address Information API validates email addresses and retrieves enrichment data to improve deliverability and marketing insights. It verifies email syntax, checks mail server existence, and provides extensive B2B demographics and categorization information.
API Features
- Enrichment Data: Provides additional B2B demographic and categorization information, including descriptions, revenue, number of employees, and location data.
- Spam List Prevention: Helps avoid sending emails to bad addresses, preventing the sender from being placed on spam lists.
- High Performance Batch Processing: Offers a no-code, high-performance batch processing tool for handling large volumes of data quickly and efficiently.
Interzoid Email Address Information API Pricing
- Pay-as-you-go: $20 startup fee, usage-based billing, access to all APIs, $0.0125 per API call, first 1000 API calls included, no monthly or annual usage requirement, no fees beyond $20 startup (usage charges only).
- 10K Credits: $99/month, 10,000 API calls/month, access to all APIs, $0.01 per additional API call, credits reset monthly, annual option: $999 for 120,000 API calls/year.
- 50K Credits: $299/month, 50,000 API calls/month, access to all APIs, $0.006 per additional API call, credits reset monthly, annual option: $2,999 for 600,000 API calls/year.
- 250K Credits: $999/month, 250,000 API calls/month, access to all APIs, $0.004 per additional API call, credits reset monthly, annual option: $10,000 for 3 million API calls/year.
- 1 Million Credits: $2,999/month, 1 million API calls/month, access to all APIs, $0.003 per additional API call, credits reset monthly, annual option: $30,000 for 12 million API calls/year.
4) Email-Verify.My-Addr

Email-Verify.My-Addr is an API service that offers automatic email verification and validation, supporting over 95% of email services and providing instant results. It features a pay-per-result pricing model, sub-status reporting, and optional email address location checking, ensuring cost-effective and efficient email list management.
API Features
- Pay per result pricing model: Users are charged only for successful verifications, ensuring cost-efficiency.
- Sub-status of verification: The API provides detailed sub-statuses such as domain_error, unknown_email, email_disabled, and dead_server.
- Anti-greylisting feature: This feature helps to bypass greylisting delays, improving verification speed for bulk email verifications.
Email-Verify.My-Addr Pricing
- 0-200,000 emails: Basic tier for small volume users, priced at $0.26 per 1000 emails.
- 200,000-500,000 emails: Mid-tier for moderate volume users, priced at $0.20 per 1000 emails.
- 500,000-5,000,000 emails: High-tier for large volume users, priced at $0.14 per 1000 emails.
- 5,000,000+ emails: Premium tier for very large volume users, priced at $0.13 per 1000 emails.
5) EmailOversight Email Validation

EmailOversight Email Validation offers a comprehensive solution for verifying email addresses and ensuring data hygiene. The service uses a multi-method validation approach to identify and eliminate email threats, boasting a 99.5% accuracy rate and high-speed file processing.
API Features
- Email Hygiene + Real-Time Email Verification: This feature ensures that emails will be delivered and eliminates any threats that could harm deliverability or sender reputation.
- Multi-Method Validation Approach: Combines real-time email verification with email hygiene to identify hard bounces and various email threats such as spamtraps, complainers, bots, and litigators.
- High-Speed File Processing: Ensures that large volumes of email addresses can be processed quickly and accurately.
EmailOversight Email Validation Pricing
- Up to 10k: $70/month for validating up to 10,000 email addresses.
- Up to 25k: $125/month for validating up to 25,000 email addresses.
- Up to 100k: $400/month for validating up to 100,000 email addresses.
- Up to 250k: $750/month for validating up to 250,000 email addresses.
- Up to 1MM: Contact support for pricing details for validating up to 1 million email addresses.
What to Consider When Selecting a EmailListVerify Alternative?
- Real-Time Verification: Ensures that email addresses are validated instantly, reducing the chances of invalid emails entering your list.
- Bulk Verification Capabilities: Allows for the processing of large volumes of email addresses quickly and efficiently, which is essential for businesses with extensive email lists.
- Accuracy and Reliability: Utilizes advanced algorithms and real-world data to provide high accuracy in identifying valid and invalid email addresses, enhancing deliverability and sender reputation.
- Privacy and Compliance: Adheres to privacy regulations such as GDPR and CCPA, ensuring that email data is handled securely and ethically.
- Integration Options: Offers seamless integration with various platforms and tools, making it easier to incorporate email verification into existing workflows and systems.
Which One Should You Go With?
Choosing the right email verification service can significantly impact your email marketing efforts. Each of the options discussed offers unique features and pricing plans tailored to different needs. Whether you prioritize real-time verification, bulk processing, or privacy compliance, there's a solution that fits your requirements.
If you're looking for a reliable and comprehensive alternative, we recommend signing up with Abstract API. With its robust features, high accuracy, and ease of integration, Abstract API stands out as a top choice for ensuring your email lists are clean and deliverable.