2) NeverBounce

NeverBounce is a service that ensures the accuracy of customer data by providing real-time email verification, bulk email list cleaning, and automated list cleaning. It helps prevent fake or invalid email entries from entering databases, ensuring clean and accurate data from the start.
API Features
- Proprietary 20+ Step Cleaning Process: NeverBounce uses a unique, multi-step process to verify each email up to 75 times across multiple global servers.
- Real-Time Email Verification: Instantly checks and validates email addresses as they are submitted.
- GDPR Compliance: Ensures data protection with bank-level security and strict adherence to GDPR regulations.
NeverBounce Pricing
- Basic Plans: Pick the credit amount and pay only for what you need. Insert custom amounts of credits with a minimum of 1,000 credits. Integrate with over 80 platforms.
- Auto-Clean: No specific details provided on the page.
3) Precisely Email Verification

Precisely Email Verification offers a robust solution for ensuring the accuracy and validity of email addresses in real-time, helping businesses maintain clean and reliable customer data.
API Features
- Syntax and Domain Validation: Ensures that email addresses are correctly formatted and belong to valid domains.
- Disposable Email Detection: Identifies and flags temporary or disposable email addresses to maintain data quality.
- Role-Based Email Detection: Detects and categorizes role-based email addresses, such as support@ or sales@, to enhance segmentation and targeting.
Precisely Email Verification Pricing
Precisely Email Verification's pricing is not public. Contact their support for more info.
4) SEON Email Verification API

SEON Email Verification API is a tool designed to validate and check the deliverability of email addresses using a fast SMTP-MX check, ensuring that email lists remain clean and effective.
API Features
- Fast SMTP-MX Check: The API uses a fast SMTP-MX check to determine whether an email address is valid and deliverable, ensuring quick and efficient verification.
- Case-Sensitive Requests: All SEON API requests are case-sensitive, requiring exact formatting to avoid errors and ensure precision in API calls.
- Detailed JSON Response: The API returns a JSON structured response that includes various attributes such as `id`, `valid_format`, `deliverable`, `inbox_full`, and `domain_details`, providing comprehensive information about the email domain.
SEON Email Verification API Pricing
- Basic Plan: Includes a limited number of email verifications per month with access to basic features.
- Standard Plan: Offers a higher verification limit and additional features such as detailed JSON responses and case-sensitive requests.
- Premium Plan: Provides the highest verification limit, priority support, and advanced features like role-based email detection.
- Enterprise Plan: Customizable plan tailored to large-scale needs with dedicated account management and enhanced security options.
- Auto-Clean: No specific details provided on the page.
5) Sendgrid Email Address Validation API

Sendgrid Email Address Validation API helps improve email deliverability by validating email addresses before sending. It detects and suppresses invalid email addresses in real-time, reducing bounce rates and improving performance with mailbox providers.
API Features
- Real-Time Email Address Validation: Validates email addresses instantly, ensuring only valid addresses are used, reducing bounce rates and improving deliverability.
- Machine Learning Model: Utilizes a machine learning model trained with data from 100 billion emails per month, providing high accuracy in email validation.
- Avoidance of Broken SMTP-handshake: Does not use the broken SMTP-handshake method, maintaining a good sender reputation and avoiding spammer tactics.
Sendgrid Email Address Validation API Pricing
- Free Plan: Send 100 emails/day for free with 2,500 free email address validations included. Basic integration features like SMTP and API, client libraries, setup guide, interactive API docs, and access to the knowledge center.
- Essentials Plan: Starting at $19.95/month, send 50,000 - 100,000 emails/month with 5,000 free email address validations included. Includes all features from the Free plan plus additional deliverability features like domain authentication, reputation & delivery visibility, and suppression management.
- Pro Plan: Starting at $89.95/month, send 100,000 - 2,500,000 emails/month. Includes all features from the Essentials plan plus advanced analytics, more event webhooks, and additional email activity history.
- Premier Plan: Custom pricing for high volume senders. Includes all features from the Pro plan plus personalized support, expert services, and more extensive collaboration features.
What to Consider When Selecting a Informatica Email Verification Alternative?
- Real-Time Validation: Ensures email addresses are verified instantly, reducing the chances of invalid entries and improving data accuracy.
- Integration Capabilities: Look for APIs or batch options that easily integrate with your existing platforms like Salesforce, Marketo, or other CRM systems.
- Security and Compliance: Ensure the service adheres to GDPR and other data protection regulations, and uses secure methods to identify and eliminate malicious threats.
- Accuracy and Deliverability: Choose a service that enhances email deliverability and protects your sender reputation by ensuring emails reach the inbox rather than the junk folder.
- Pricing and Scalability: Consider flexible pricing plans that fit your needs, whether you require a pay-per-validation model or a subscription plan with tiered discounts for higher volumes.
Which One Should You Go With?
Each of the email verification services discussed offers unique features and benefits, making them all viable options for maintaining clean and accurate email lists. However, if you're looking for a robust and developer-friendly alternative, we recommend Abstract API. With its real-time validation, comprehensive checks, and strong compliance with privacy laws, it stands out as a reliable choice.
Abstract API's focus on speed, scalability, and customer support ensures that your email verification needs are met efficiently. Sign up today to experience the benefits of a high-quality email validation service that can help improve your email deliverability and protect your sender reputation.